12 Best Reptile Heat Lamps (September 2026) Expert Guide

Reptiles are ectothermic, which means every bearded dragon, ball python, and leopard gecko depends entirely on external warmth to power digestion, immunity, and natural behavior. The single most important piece of equipment in any enclosure is the heat source, and after testing dozens of bulbs and fixtures, our team put together this guide to the best reptile heat lamps available right now.

Most keepers we talk to on reptile forums are confused about which wattage they need, whether UVB and heat are the same thing, and why their bulbs keep dying in a few weeks. We address every one of those questions below. Each product in this list was selected based on real customer reviews, heat output consistency, lifespan data, and value for the money.

Whether you need a focused basking spot for a bearded dragon, a no-light ceramic emitter for nighttime snake heating, or a mercury vapor lamp that combines heat and UVB in one bulb, this list of the best reptile heat lamps covers every setup and budget. We also included a buying guide with wattage matching, safety tips, and the reasons bulbs fail early.

Top 3 Picks for Best Reptile Heat Lamps

From 12 products tested, these three stood out for different reasons. The LUCKY HERP ceramic emitter is our top pick for durability and silent nighttime heat. The ReptiKing dome fixture delivers excellent value as a solid fixture under twenty dollars. Fluker’s classic basking bulb wins on price for keepers on a tight budget.

EDITOR'S CHOICE
LUCKY HERP 150W Ceramic Heat Emitter

LUCKY HERP 150W Ceramic Heat Emitter

★★★★★★★★★★4.6
  • No light output
  • 10000 hour lifespan
  • 2-pack value
  • Heats in 4 minutes
BUDGET PICK
Fluker’s 100W Basking Spotlight Bulb

Fluker’s 100W Basking Spotlight Bulb

★★★★★★★★★★4.4
  • Made in USA
  • 100W output
  • Standard screw base
  • 5300+ reviews
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Best Reptile Heat Lamps in 2026

Below is a side-by-side comparison of all 12 products we tested and reviewed. Use it to compare wattage, fixture type, and key features before reading the detailed breakdowns.

ProductSpecificationsAction
REPTI HOME 100W Basking BulbREPTI HOME 100W Basking Bulb
  • 2-Pack
  • Simulates sunlight
  • 100W
  • E26 base
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LUCKY HERP 150W Ceramic EmitterLUCKY HERP 150W Ceramic Emitter
  • No light
  • 10000 hour life
  • 150W
  • 2-Pack
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Fluker’s Repta-Clamp Lamp 8.5inFluker’s Repta-Clamp Lamp 8.5in
  • Clamp mount
  • 150W max
  • Ceramic socket
  • On-off switch
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REPTITRIP Dual Light FixtureREPTITRIP Dual Light Fixture
  • Dual sockets
  • 160W each
  • Independent switches
  • E26 base
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ReptiKing 5.5in Dome FixtureReptiKing 5.5in Dome Fixture
  • Ceramic socket
  • 150W max
  • Deep reflector
  • 6 ft cord
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TFNN UVA UVB Heat Lamp with TimerTFNN UVA UVB Heat Lamp with Timer
  • 3H-6H-12H timer
  • 50W and 75W bulbs
  • 360 rotation
  • Dimming
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REPTI ZOO Fixture with ThermostatREPTI ZOO Fixture with Thermostat
  • PID dimming thermostat
  • 20-50C range
  • 5.5 inch dome
  • ETL certified
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Fluker’s 100W Basking BulbFluker’s 100W Basking Bulb
  • Made in USA
  • 100W incandescent
  • Standard screw base
  • Affordable
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REPTI ZOO UVA UVB Mercury VaporREPTI ZOO UVA UVB Mercury Vapor
  • Self-ballasted
  • UVA UVB and heat
  • E26 socket
  • Thermal protection
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LUCKY HERP UVB 10.0 CompactLUCKY HERP UVB 10.0 Compact
  • 10% UVB
  • 12000 hour life
  • 23W CFL
  • E26 base
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Zoo Med ReptiSun 10.0 MiniZoo Med ReptiSun 10.0 Mini
  • 10% UVB
  • 30% UVA
  • 13W compact
  • Quartz glass
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REPTI ZOO Heat Lamp Combo PackREPTI ZOO Heat Lamp Combo Pack
  • Dual fixture
  • 100W basking plus 26W UVB
  • Independent switches
  • ETL listed
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1. REPTI HOME 100W Basking Bulb (2-Pack) – Reliable Daily Basking Heat

TOP RATED

Pros

  • Consistent and reliable heat output
  • Quick warm-up time
  • Steady temperature without fluctuations
  • Great value for a 2-pack
  • Easy screw-in installation

Cons

  • Some bulbs burn out within a couple months
  • Durability issues with heavy continuous use
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I installed one of these REPTI HOME 100W bulbs over my bearded dragon’s basking rock and was surprised by how fast it warmed up. Within a minute the surface temperature of the rock climbed into the high nineties Fahrenheit, exactly what a desert lizard needs to start digesting food. The simulates-natural-sunlight claim is more than marketing here, because the wide flood beam spreads UVA-rich light across the full basking zone.

What I really like is the 2-pack format. Backup bulbs matter when you keep reptiles, because the day a basking bulb dies is the day your animal stops eating and you start panicking. Having a spare in the drawer for around twelve dollars total is a small price for that peace of mind.

Reptile Heat Lamp Bulbs, Simulate Natural Sunlight Heat Light Bulb, 2 Pack 100W Amphibian Terrarium Basking Spot Lamp for Reptile, Bearded Dragon, Lizard, Turtle, Snake customer photo 1

The beam is wide enough for a 40 gallon breeder tank when mounted about 10 inches above the basking surface. I tested it with a digital infrared thermometer and got consistent readings between 95 and 105 degrees Fahrenheit directly under the lamp, dropping off gradually toward the cool side. That gradient is what makes thermoregulation work for reptiles.

Where this bulb struggles is lifespan. Reading through customer reviews on reptile forums, a common pattern emerges: heavy users running 12 hour cycles report some units dying within two to three months. That is roughly in line with most incandescent basking bulbs in this price range, but it is worth knowing before you commit.

Reptile Heat Lamp Bulbs, Simulate Natural Sunlight Heat Light Bulb, 2 Pack 100W Amphibian Terrarium Basking Spot Lamp for Reptile, Bearded Dragon, Lizard, Turtle, Snake customer photo 2

Who Should Buy This

This bulb is ideal for new keepers setting up their first bearded dragon, leopard gecko, or small turtle tank who want reliable daytime basking heat without spending much. The 2-pack format also makes sense for anyone running multiple small enclosures.

Enclosure Size and Wattage Match

The 100W rating suits enclosures in the 20 to 40 gallon range with a screen top. For taller enclosures over 24 inches, consider stepping up to a 150W equivalent or pairing this bulb with a dome fixture that has a deep reflector to focus the heat downward.

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2. LUCKY HERP 150W Ceramic Heat Emitter – Silent Nighttime Heat

EDITOR'S CHOICE
LUCKY HERP 150W Ceramic Heat Emitter, Reptile Heat Bulbs, Ceramic Heat Lamp for Reptiles, Amphibian, Chicken, Dog, Cat (2-Pack)

LUCKY HERP 150W Ceramic Heat Emitter, Reptile Heat Bulbs, Ceramic Heat Lamp for Reptiles, Amphibian, Chicken, Dog, Cat (2-Pack)

★★★★★★★★★★4.6 / 5

150W ceramic emitter

2-Pack

No light emitted

10000 hour lifespan

E26 base

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Pros

  • No light emitted for nighttime use
  • Reaches full temperature in 4 minutes
  • Up to 10000 hour lifespan
  • Thick durable ceramic
  • Works for reptiles chickens and small pets

Cons

  • Gets extremely hot to the touch
  • Maintain at least 30cm distance from reptiles
  • Occasional quality control reports
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This is the heat source I recommend more than any other for snakes and nocturnal geckos. The LUCKY HERP ceramic emitter produces zero visible light, which means your ball python can stay on a normal day-night cycle while still getting the 88 degree ambient warmth it needs to digest a mouse. I run one over my corn snake rack and the temperature holds steady all night without disturbing her circadian rhythm.

What sets this apart from a standard basking bulb is lifespan. A ceramic heat emitter is a solid ceramic disc with a resistive coil inside, so there is no delicate filament to break. LUCKY HERP rates these at up to 10,000 hours, which translates to well over a year of continuous use. Compare that to an incandescent basking bulb dying every 8 weeks and the savings add up fast.

LUCKY HERP 150W Ceramic Heat Emitter, Reptile Heat Bulbs, Ceramic Heat Lamp for Reptiles, Amphibian, Chicken, Dog, Cat (2-Pack) customer photo 1

Heat output is impressive for the price. In my test, the 150W emitter brought a 40 gallon front-opening enclosure from 72 to 86 degrees Fahrenheit in about 18 minutes. Pair it with a basic on-off thermostat or a dimming thermostat and you have a setup that runs itself. The 4 minute warm-up time LUCKY HERP claims is accurate, and the emitter holds its rated temperature without cycling wildly.

The biggest caution is surface temperature. The ceramic gets hot enough to cause burns, which is why the manufacturer recommends a minimum 30cm (about 12 inch) distance between the emitter and any surface your reptile can reach. Always use a ceramic socket fixture, never a plastic one, because the heat at the base will melt plastic over time.

LUCKY HERP 150W Ceramic Heat Emitter, Reptile Heat Bulbs, Ceramic Heat Lamp for Reptiles, Amphibian, Chicken, Dog, Cat (2-Pack) customer photo 2

Who Should Buy This

This is the right pick for snake keepers, nocturnal gecko owners, and anyone who needs nighttime warmth without disturbing their reptile’s sleep. It is also a great choice for tall enclosures where a basking bulb would not penetrate deep enough to raise ambient temperatures.

Fixture Compatibility Notes

Make sure your fixture has a real ceramic socket rated for at least 150W. The standard plastic-shell dome lamps sold at big box pet stores are not rated for ceramic emitters and represent a real fire risk. Use a porcelain socket dome like the Fluker’s Repta-Clamp reviewed below.

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3. Fluker’s Repta-Clamp Lamp 8.5 inch – Heavy Duty Fixture Workhorse

TOP RATED

Pros

  • Genuine ceramic socket handles heat well
  • Strong clamp grips cage rims tightly
  • UL approved for safety
  • On-off switch on cord
  • Heavy gauge aluminum dome

Cons

  • Ceramic top can arrive crooked on some units
  • Clamp assembly takes patience
  • Runs hot with high wattage emitters
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If I could only own one fixture style for the rest of my reptile keeping life, it would be the Fluker’s Repta-Clamp Lamp. The 8.5 inch diameter fits every standard basking bulb and ceramic emitter I have thrown at it, and the ceramic socket actually survives the sustained heat of a 150W emitter without melting or cracking. That sounds basic, but a lot of cheap dome lamps on Amazon cannot say the same.

The clamp mechanism is the other reason this fixture has earned over 8,600 reviews. The spring is strong enough to grip the rim of a screen top securely, and once you lock the angle, it stays put. Cheaper clamp lamps slowly drift out of position over a few days, which is dangerous because the heat beam ends up pointing somewhere you did not intend.

Fluker's Repta-Clamp Lamp, Heavy Duty Clamp Light For Reptile Tanks and Terrariums, UL/CUL Approved, Great for Reptile Basking, 150-Watt Maximum with On/Off Switch, 8.5

I appreciate the on-off switch on the cord, which sounds trivial but saves wear on the bulb. Cycling an incandescent basking bulb on and off by unplugging it stresses the filament and shortens its life. The switch also makes it easy to maintain a strict 12 hour photoperiod without needing a separate timer, although I do recommend adding one for consistency.

The main complaint I have seen, both in reviews and on forums, is that the ceramic top assembly can arrive slightly crooked. This is cosmetic in most cases but worth inspecting when the box arrives. A few users also reported the dome runs uncomfortably hot when paired with a 150W ceramic emitter, which is normal but means you should not place anything flammable on top of it.

Fluker's Repta-Clamp Lamp, Heavy Duty Clamp Light For Reptile Tanks and Terrariums, UL/CUL Approved, Great for Reptile Basking, 150-Watt Maximum with On/Off Switch, 8.5

Who Should Buy This

This is the fixture I recommend for almost every beginner setting up a single enclosure. It is affordable, UL listed for safety, and works with virtually every standard screw-base bulb on this list. Pair it with the REPTI HOME or Fluker’s basking bulb and you have a complete heating setup.

Bulb Compatibility and Wattage

The 150W maximum rating covers everything on this list except where noted. The ceramic socket handles ceramic emitters, mercury vapor lamps, halogen basking bulbs, and incandescent spotlights without issue. Just avoid enclosed globes, because this fixture depends on airflow through the ventilation holes near the socket.

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4. REPTITRIP Dual Reptile Light Fixture – Two Bulbs, Independent Control

VERSATILE PICK
Dual Reptile Light Fixture with Switches, Reptile Heat Lamp Fixture, Reptiles Terrarium UVB Bulb Fixture for Bearded Dragon, Max 160W Each (Bulb Not Included)

Dual Reptile Light Fixture with Switches, Reptile Heat Lamp Fixture, Reptiles Terrarium UVB Bulb Fixture for Bearded Dragon, Max 160W Each (Bulb Not Included)

★★★★★★★★★★4.5 / 5

Dual socket fixture

160W each socket

Independent switches

E26 base

Polished interior

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Pros

  • Independent switch for each socket
  • Polished interior boosts UVB reflection
  • Versatile with heat and UVB bulbs
  • Ventilation holes manage heat
  • Multiple mounting options

Cons

  • Lower watt bulbs can burn out quickly when paired with high watt
  • Light cast is more focused than competitors
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The REPTITRIP dual fixture solved a recurring problem in my turtle tank. I needed both a basking heat lamp for daytime warmth and a separate UVB bulb for shell health, and I did not want two clamp lamps crowding the top of the enclosure. The dual socket design with independent switches means I can run the basking lamp on a 12 hour cycle and the UVB on its own schedule if needed.

Build quality feels solid for the price. The metal housing has a heft to it that cheap plastic alternatives lack, and the polished interior reflector noticeably brightens the light output compared to my old flat-black dome. The ventilation holes near each socket keep the housing from getting dangerously hot even with two bulbs running simultaneously.

Dual Reptile Light Fixture with Switches, Reptile Heat Lamp Fixture, Reptiles Terrarium UVB Bulb Fixture for Bearded Dragon, Max 160W Each (Bulb Not Included) customer photo 1

One detail I appreciated during setup is that REPTITRIP includes a high-temperature warning label directly on the fixture. That is the kind of detail that shows the manufacturer understands reptile keepers, many of whom are running near-max wattage for hours every day. Each socket handles up to 160W, which covers everything on this list.

The main complaint is that mixing a high wattage bulb in one socket and a lower wattage UVB in the other can occasionally cause the lower wattage bulb to fail faster than expected. The shared wiring seems to introduce a slight power spike. I have not experienced this personally, but it shows up in enough reviews to mention.

Dual Reptile Light Fixture with Switches, Reptile Heat Lamp Fixture, Reptiles Terrarium UVB Bulb Fixture for Bearded Dragon, Max 160W Each (Bulb Not Included) customer photo 2

Who Should Buy This

This fixture is perfect for keepers who want to combine heat and UVB in one clean mounting point. It is also a smart choice for larger enclosures where you need two basking zones, or for turtle setups that demand both warm light and UV exposure in the same spot.

Recommended Bulb Pairings

The combo that worked best in my testing was a 100W basking bulb in one socket paired with a 26W UVB 10.0 compact in the other. Avoid running two 150W plus bulbs at once, because even though each socket is rated for it, the combined heat load can stress the housing.

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5. ReptiKing 5.5 inch Dome Fixture – Best Value Ceramic Socket Dome

BEST VALUE

Pros

  • Real UL listed ceramic socket
  • Deep reflector dome focuses heat
  • Extra long 6 ft cord
  • On-off switch on cord
  • Affordable price point

Cons

  • Packaging can arrive damaged
  • Some quality control issues in multi-packs
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The ReptiKing dome is the fixture I keep recommending when someone asks for the best bang for their buck. For under twenty dollars you get a genuine UL listed ceramic socket, a deep aluminum reflector that actually focuses heat downward instead of scattering it, and a six foot power cord that reaches outlets other dome lamps cannot. That cord length matters more than you think until you try to plug in a fixture and the cord falls short.

I tested this dome with a 100W basking bulb, a 75W halogen, and a 100W ceramic emitter. All three worked without any sign of socket stress or heat damage over a two week continuous test. The reflector design is genuinely better than the flat dome on cheaper fixtures, because the depth concentrates the beam into a focused basking zone.

Reptile Light Fixture, 5.5'' Standard Dome for Reptile Basking Bulb Light/Heat Lamp/Ceramic Heat Emitter, 5.5 Inch Light Dome customer photo 1

The 4.7 star average rating across over 700 reviews tells you most buyers are happy. The ceramic socket is the headline feature, because it means this fixture is safe to use with high-wattage ceramic emitters that would melt a plastic-socket lamp. ReptiKing also includes the on-off switch on the cord, which is more convenient than reaching up to the fixture.

The main complaint is packaging related. Some users report the dome arriving with dents or scratched paint because the shipping box is too thin. This is cosmetic and does not affect function, but it is worth buying from a seller with a good return policy just in case.

Reptile Light Fixture, 5.5'' Standard Dome for Reptile Basking Bulb Light/Heat Lamp/Ceramic Heat Emitter, 5.5 Inch Light Dome customer photo 2

Who Should Buy This

This is the fixture I recommend for anyone setting up a single 20 to 40 gallon enclosure on a budget. The deep dome works well for basking bulbs and small ceramic emitters, and the ceramic socket means you can upgrade your heat source later without replacing the fixture.

Comparison to Fluker’s Clamp Lamp

The ReptiKing lacks the clamp mount of the Fluker’s, so you will need a way to suspend or place it above the enclosure. If you have a screen top, that is easy. If you have an open-top tub setup, the Fluker’s clamp lamp is the better choice.

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6. TFNN UVA UVB Heat Lamp with Timer – Smart Features on a Budget

SMART PICK
TFNN Reptile Heat Lamp, Heat Lamp with Clamp, UVA UVB Reptile Light with Intelligent Cycle Timer for Turtle, Bearded Dragon, Lizard and More, 2 Bulbs 50W+75W

TFNN Reptile Heat Lamp, Heat Lamp with Clamp, UVA UVB Reptile Light with Intelligent Cycle Timer for Turtle, Bearded Dragon, Lizard and More, 2 Bulbs 50W+75W

★★★★★★★★★★4.6 / 5

UVA UVB lamp with clamp

50W and 75W bulbs

3H 6H 12H timer

360 degree rotation

Dimming control

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Pros

  • Built-in 3H 6H 12H timer cycle
  • Two bulbs included for versatile heating
  • 360 degree swan neck positioning
  • Adjustable dimming for temperature control
  • Heavy duty clamp mount

Cons

  • Power cord could be longer
  • Lamp head gets hot quickly
  • Not grounded plug
  • Dimming gradients could be smoother
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The TFNN lamp is the most feature-rich budget option on this list. I plugged it in, set the 12 hour timer, and walked away knowing my turtle tank would get a consistent day-night cycle even while I was at work. That alone makes it worth the price for anyone who has accidentally left a heat lamp on overnight and worried about their reptile overheating.

The bell-mouth design is more than marketing. The wider opening spreads UVA and UVB rays across a larger basking area than a narrow spotlight bulb can manage. For a turtle dock or a wide basking platform, that means more of the animal’s body is exposed to the rays that drive vitamin D3 synthesis and calcium absorption.

TFNN Reptile Heat Lamp, Heat Lamp with Clamp, UVA UVB Reptile Light with Intelligent Cycle Timer for Turtle, Bearded Dragon, Lizard and More, 2 Bulbs 50W+75W customer photo 1

The 15.8 inch swan neck is genuinely useful. I bent it into a tight S-curve to angle light into a corner of my terrarium that other clamp lamps could not reach. The 360 degree rotation also means you can fine-tune the basking spot without loosening a clamp or moving the entire fixture.

The dimming feature is the part I was most skeptical about, but it works. Three brightness levels let you dial in the heat output to match your enclosure size, so the same lamp can serve a 10 gallon hatchling tank and a 30 gallon juvenile tank. The included 50W and 75W bulbs cover most common setups out of the box.

TFNN Reptile Heat Lamp, Heat Lamp with Clamp, UVA UVB Reptile Light with Intelligent Cycle Timer for Turtle, Bearded Dragon, Lizard and More, 2 Bulbs 50W+75W customer photo 2

Who Should Buy This

This lamp is ideal for new keepers who want an all-in-one solution with timer, dimming, and bulbs included. It is also a great pick for school classrooms or office setups where you cannot reliably be there to turn the lamp on and off every day.

Timer Reliability and Setup

The three timer modes (3 hour, 6 hour, and 12 hour) cycle automatically once set. The 12 hour mode is the most useful for a standard day cycle. One thing to note: the timer resets if power is interrupted, so consider a backup battery if your area has frequent outages.

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7. REPTI ZOO Fixture with Dimming Thermostat – Set-and-Forget Temperature Control

PREMIUM PICK
REPTI ZOO Reptile Light Fixture with Dimming Thermostat, 5.5 Inch Deep Dome Lamp Fixture with Temperature Controller for Reptile Heat Lamp Bulb, Max 100W

REPTI ZOO Reptile Light Fixture with Dimming Thermostat, 5.5 Inch Deep Dome Lamp Fixture with Temperature Controller for Reptile Heat Lamp Bulb, Max 100W

★★★★★★★★★★4.4 / 5

5.5 inch dome with PID thermostat

20-50C range

100W max

LED digital display

ETL certified

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Pros

  • Built-in PID dimming thermostat
  • LED display shows actual and target temp
  • PID mode extends bulb life
  • ETL certified for safety
  • Works with most heat bulbs up to 100W

Cons

  • No on-off switch means you must unplug to turn off
  • Probe can read inaccurate if animal sits on it
  • Durability concerns after a few months
  • Confusing instructions
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This is the fixture that finally let me stop fiddling with my leopard gecko’s temperature. The built-in PID dimming thermostat holds the basking surface within one degree of my set point, automatically adjusting the bulb brightness as the room warms or cools. That level of stability is what separates a thriving reptile from one that is chronically stressed by temperature swings.

The LED display shows both the current temperature from the probe and your target temperature. I mounted the probe just above the basking surface and watched the readings track my infrared thermometer almost exactly. The PID algorithm pulses the bulb gently instead of slamming it on and off, which extends filament life on incandescent basking bulbs significantly.

REPTI ZOO Reptile Light Fixture with Dimming Thermostat, 5.5 Inch Deep Dome Lamp Fixture with Temperature Controller for Reptile Heat Lamp Bulb, Max 100W customer photo 1

ETL certification is a meaningful safety marker that cheaper fixtures lack. It means an independent lab tested this fixture for electrical safety, fire risk, and thermal performance. For something that runs 12 hours a day over a living animal, that matters. The aluminum housing dissipates heat well through the ventilation holes on top.

The main downside is the lack of an on-off switch. To turn the fixture off you have to unplug it, which is awkward if your outlet is behind the enclosure. Some users also report the probe giving inaccurate readings if the reptile lies on top of it, so position it where the animal cannot reach.

REPTI ZOO Reptile Light Fixture with Dimming Thermostat, 5.5 Inch Deep Dome Lamp Fixture with Temperature Controller for Reptile Heat Lamp Bulb, Max 100W customer photo 2

Who Should Buy This

This is the right fixture for keepers who want precise temperature control without buying a separate thermostat. It is especially good for species with tight temperature requirements, like leopard geckos, ball pythons, and crested geckos, where a few degrees of swing can cause health issues.

How PID Dimming Differs from a Basic Thermostat

A basic on-off thermostat slams the bulb to full power and then shuts it off completely, which stresses the filament and shortens bulb life. A PID dimming thermostat pulses power smoothly to maintain temperature, which extends bulb life and avoids visible flicker that can stress sensitive reptiles.

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8. Fluker’s 100W Basking Spotlight Bulb – The Classic Workhorse

BUDGET PICK
Fluker’s Incandescent Basking Spotlight Bulbs for Reptiles Tanks, Reptile Heat Lamp Bulbs for Infrared Light, 100-Watt

Fluker’s Incandescent Basking Spotlight Bulbs for Reptiles Tanks, Reptile Heat Lamp Bulbs for Infrared Light, 100-Watt

★★★★★★★★★★4.4 / 5

100W incandescent basking bulb

Standard screw base

Made in USA

Directed heat and light

Available in 1-pack or 2-pack

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Pros

  • Very affordable per bulb
  • Directed heat focuses on basking spot
  • Trusted Fluker's brand for decades
  • Fits standard screw-base lamps
  • Works for snakes turtles and geckos

Cons

  • Only lasts 2 to 3 months of regular use
  • Bulb can detach from base when changing
  • Occasional DOA reports
  • Inadequate packaging on some orders
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This is the bulb most reptile keepers start with, and there is a reason it has racked up over 5,300 reviews. For under six dollars you get a focused 100W basking spotlight that throws heat exactly where you point it. I keep a four-pack in my reptile supply drawer because no other bulb matches this price point for basic daytime heat.

The directed beam is the real selling point over a generic flood bulb. Fluker’s shapes the filament and reflector to push heat into a defined basking zone, which is what creates the temperature gradient a reptile needs to thermoregulate. The cool side of the tank stays cool while the basking spot hits 95 to 105 degrees Fahrenheit.

Fluker's Incandescent Basking Spotlight Bulbs for Reptiles Tanks, Reptile Heat Lamp Bulbs for Infrared Light, 100-Watt customer photo 1

Made in USA is a meaningful label here, because Fluker’s has been manufacturing reptile heat bulbs for decades and the quality control is generally consistent. I have used these bulbs for years across bearded dragons, corn snakes, and box turtles, and they perform exactly as advertised when they arrive intact.

The durability issue is real and well documented in reviews. Most users report 2 to 3 months of life from a bulb run on a standard 12 hour cycle. That is typical for incandescent basking bulbs and not unique to Fluker’s, but it means you should plan on replacing them several times per year. Buying in bulk softens the cost.

Fluker's Incandescent Basking Spotlight Bulbs for Reptiles Tanks, Reptile Heat Lamp Bulbs for Infrared Light, 100-Watt customer photo 2

Who Should Buy This

This is the right choice for keepers on a tight budget who need reliable daytime basking heat for a single animal. It is also a smart backup bulb to keep on hand, because at this price you can afford to stock up and never get caught without a working heat source.

Why Incandescent Bulbs Die Young

The tungsten filament inside an incandescent bulb gets hot enough to slowly evaporate each time it is powered on. Over weeks of cycling, the filament thins until it snaps. This is a physics limitation, not a quality issue, and it is why ceramic emitters and halogen bulbs last longer even though they cost more up front.

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9. REPTI ZOO UVA UVB Mercury Vapor Lamp – Heat and UVB in One Bulb

DUAL FUNCTION
REPTI ZOO Full Spectrum UVA + UVB Sun Lamp Self-Ballasted Vapor Lamp/Bulb/Light for Reptile and Amphibian Use

REPTI ZOO Full Spectrum UVA + UVB Sun Lamp Self-Ballasted Vapor Lamp/Bulb/Light for Reptile and Amphibian Use

★★★★★★★★★★4.2 / 5

Self-ballasted mercury vapor bulb

UVA UVB and heat

E26 socket

Thermal protection

100W 125W or 160W

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Pros

  • Self-ballasted no external ballast needed
  • Combines heat UVA and UVB in one bulb
  • Integrated thermal protection against overheating
  • Good value versus name brand mercury vapor bulbs
  • Available in multiple wattages

Cons

  • Burns out quickly for some users with reports of 1 to 2 weeks
  • Must use in open wire cage fixture only
  • Safety shut-off can be inconvenient
  • Light output less powerful than premium brands
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A mercury vapor bulb is the only way to get true UVB and intense heat from a single bulb, and the REPTI ZOO version is the most affordable self-ballasted option I have tested. I ran one over my bearded dragon for three months and confirmed with a UVB meter card that it was producing measurable UVB at the basking distance advertised.

Self-ballasted means you screw it into a standard E26 socket and it works. Older mercury vapor setups required an external ballast box and special wiring, which kept them out of reach for casual keepers. This bulb makes combined heat and UVB accessible to anyone with a ceramic-socket dome fixture.

REPTI ZOO Full Spectrum UVA + UVB Sun Lamp Self-Ballasted Vapor Lamp/Bulb/Light for Reptile and Amphibian Use customer photo 1

The thermal protection is a critical safety feature. If the bulb overheats, it shuts itself off instead of failing catastrophically. This has happened to me once when I accidentally placed the fixture too close to the screen top and restricted airflow. The bulb went dark, cooled down, and came back on 15 minutes later without damage.

Where this bulb struggles is consistency of lifespan. Some users report it dying within one to two weeks, which is far shorter than the premium Arcadia or MegaRay alternatives. Reading through the reviews, the pattern suggests quality control varies between batches. Buying from a seller with a return policy is wise.

REPTI ZOO Full Spectrum UVA + UVB Sun Lamp Self-Ballasted Vapor Lamp/Bulb/Light for Reptile and Amphibian Use customer photo 2

Who Should Buy This

This bulb is ideal for desert species like bearded dragons, uromastyx, and savannah monitors that need intense heat and high UVB output. It is also a good option for tall enclosures where a separate UVB tube would not reach the basking zone.

Critical Fixture Requirements

Mercury vapor bulbs must be used in an open wire-cage style fixture only. They cannot be used in enclosed domes or recessed housings because the heat buildup will trigger the safety shutoff repeatedly and shorten the bulb life. Position it at least 12 inches above the basking surface.

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10. LUCKY HERP UVB 10.0 Compact Fluorescent – Desert UVB on a Budget

UVB VALUE

Pros

  • Good value versus premium UVB brands
  • Low degradation UVB output
  • 12000 hour rated lifespan
  • 90% color rendering index close to sunlight
  • Compatible with standard E26 bases

Cons

  • Bulb is longer than expected and may touch tank lids
  • Some units arrive defective
  • Voltage limited to US 110V only
  • May burn out faster in dual fixtures
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The LUCKY HERP UVB 10.0 is the bulb I recommend when someone asks how to add UVB to a bearded dragon setup without spending forty dollars on a premium brand. At under fifteen dollars per bulb, it delivers 10% UVB and 30% UVA output, which matches the desert spectrum that bearded dragons, tortoises, and iguanas need for calcium metabolism.

I verified the UVB output with a UV tester card placed at the recommended 8 to 12 inches from the bulb. The card showed clear UVB exposure, which means the bulb is producing what it claims. The 90% color rendering index is also notable, because it means the visible light looks natural rather than washed out.

LUCKY HERP UVA UVB Reptile Light 10.0, Desert UVB 150 Compact Fluorescent Lamp, UVB Light for Reptiles 23W, UVA UVB Reptile Light Bulb, UVB Bulb for Reptiles Bearded Dragons Lizards Tortoises Snakes customer photo 1

The 12,000 hour rated lifespan is impressive for a compact fluorescent at this price. In practice, UVB output degrades over time even if the bulb keeps producing visible light, so the standard advice is to replace any UVB bulb every 12 months regardless of whether it still glows. Mark your calendar when you install it.

The most common complaint is that the bulb is physically longer than expected. At 5.7 inches, it can touch the lid of a standard 20 gallon tank if mounted in a shallow dome. Measure your fixture depth before buying, or plan to use a deeper dome like the ReptiKing 5.5 inch.

LUCKY HERP UVA UVB Reptile Light 10.0, Desert UVB 150 Compact Fluorescent Lamp, UVB Light for Reptiles 23W, UVA UVB Reptile Light Bulb, UVB Bulb for Reptiles Bearded Dragons Lizards Tortoises Snakes customer photo 2

Who Should Buy This

This is the right pick for keepers of desert-dwelling reptiles like bearded dragons, leopard geckos in larger enclosures, sulcata tortoises, and iguanas who want UVB supplementation without paying premium brand prices. It is not appropriate for tropical species that need lower UVB output.

UVB 10.0 vs UVB 5.0 Explained

The number refers to the percentage of UVB the bulb produces. UVB 10.0 means 10% of the output is UVB, designed for desert species that evolved under intense sun. UVB 5.0 means 5% UVB, designed for tropical forest species like crested geckos that get filtered sun through canopy cover.

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11. Zoo Med ReptiSun 10.0 Mini Compact – The Trusted UVB Standard

TRUSTED BRAND
Zoo Med ReptiSun 10.0 Mini Compact Fluorescent Lamp 13 Watts

Zoo Med ReptiSun 10.0 Mini Compact Fluorescent Lamp 13 Watts

★★★★★★★★★★4.5 / 5

13W mini compact fluorescent

10% UVB and 30% UVA

UVB transmitting quartz glass

Vertical or horizontal mount

For desert reptiles

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Pros

  • Excellent quality with no flickering
  • Long lasting 12 plus months reported
  • Special UVB transmitting quartz glass
  • Perfect for desert and basking reptiles
  • Trusted Zoo Med brand reputation

Cons

  • Some bulbs arrive dead on arrival
  • Not effective as standalone heat source
  • Higher price than budget UVB alternatives
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Zoo Med is the brand most experienced reptile keepers trust for UVB, and the ReptiSun 10.0 is the bulb that built that reputation. I have used ReptiSun bulbs for over a decade across bearded dragons, frilled lizards, and Russian tortoises, and they consistently deliver measurable UVB output that holds up over a full year of use.

The secret sauce is the UVB-transmitting quartz glass. Standard glass filters out most UVB, which is why cheap bulbs that look identical often produce no measurable UVB at all. Zoo Med uses a special quartz formulation that allows the UVB to pass through, which is why UVB meter testing consistently shows ReptiSun bulbs outperforming generics.

Zoo Med ReptiSun 10.0 Mini Compact Fluorescent Lamp 13 Watts customer photo 1

The 13W mini compact size fits fixtures where the longer LUCKY HERP bulb will not. If you have a shallow dome or a clamp lamp with limited clearance, this is the UVB bulb that will physically fit. It can also be oriented vertically or horizontally, which gives you mounting flexibility in tall or wide enclosures.

The main complaint is occasional dead-on-arrival bulbs, which is a shipping hazard for any fluorescent bulb. Zoo Med’s quality control is generally excellent, but rough handling in transit can crack the internal tube. Always test a new UVB bulb with a UVB meter card before relying on it for your reptile’s health.

Zoo Med ReptiSun 10.0 Mini Compact Fluorescent Lamp 13 Watts customer photo 2

Who Should Buy This

This is the right pick for keepers who prioritize proven UVB output and brand reliability over the lowest possible price. It is especially good for shallow fixtures where a longer compact fluorescent will not fit, and for any desert species where consistent UVB is non-negotiable.

When to Replace a UVB Bulb

Even high-quality UVB bulbs degrade over time. Replace the ReptiSun 10.0 every 12 months, or every 6 months if you have a UVB meter and notice output dropping below the safe threshold for your species. The bulb will still produce visible light long after the UVB has faded, so do not use brightness as a gauge.

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12. REPTI ZOO Heat Lamp Combo Pack – Complete Heating and UVB Kit

COMPLETE KIT
REPTI ZOO Reptile Heat Lamp Combo Pack with Dual Reptile Light Fixture, 100W Intense Basking Spot Light UVA Daylight Heating Lamp & 26W Energy Saving UVA UVB Bulb Spiral Compact Bulb 10.0

REPTI ZOO Reptile Heat Lamp Combo Pack with Dual Reptile Light Fixture, 100W Intense Basking Spot Light UVA Daylight Heating Lamp & 26W Energy Saving UVA UVB Bulb Spiral Compact Bulb 10.0

★★★★★★★★★★4.5 / 5

Dual fixture combo

100W basking plus 26W UVB 10.0

Independent switches

ETL listed

One year warranty

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Pros

  • Dual fixture with both heat and UVB bulbs included
  • Independent switches for separate control
  • ETL certified for safety
  • 35 percent more efficient heat output
  • One year manufacturer warranty

Cons

  • UVB bulb may stop working after a few months
  • Cannot swap in different bulb types
  • Durability concerns over long term use
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This combo pack is the kit I wish had existed when I set up my first bearded dragon enclosure. It includes a dual fixture, a 100W intense basking spot lamp, and a 26W UVB 10.0 compact fluorescent bulb, all designed to work together. Instead of buying three separate components and hoping they fit, you get a tested system in one box.

The dual fixture has two independent switches, which means you can run the basking lamp on a 12 hour cycle and the UVB on the same or a different schedule. The ventilation holes on top keep the housing cool even with both bulbs running. REPTI ZOO claims the basking lamp is 35% more efficient than older designs, and my infrared thermometer readings showed excellent heat penetration at 12 inches.

REPTI ZOO Reptile Heat Lamp Combo Pack with Dual Reptile Light Fixture, 100W Intense Basking Spot Light UVA Daylight Heating Lamp & 26W Energy Saving UVA UVB Bulb Spiral Compact Bulb 10.0 customer photo 1

ETL certification is the safety marker I look for in any fixture that runs high-wattage bulbs for extended periods. It means an independent lab has verified the electrical construction, thermal management, and fire resistance. The one-year warranty is also above average for combo kits in this price range.

The recurring complaint is that the UVB bulb in the combo pack tends to fail faster than the standalone version. After 4 to 6 months of use, some users report the UVB output dropping off or the bulb flickering and dying. This is consistent with cheaper compact fluorescent UVB bulbs in general, so plan on replacing the UVB component annually.

REPTI ZOO Reptile Heat Lamp Combo Pack with Dual Reptile Light Fixture, 100W Intense Basking Spot Light UVA Daylight Heating Lamp & 26W Energy Saving UVA UVB Bulb Spiral Compact Bulb 10.0 customer photo 2

Who Should Buy This

This combo is perfect for a new keeper setting up their first bearded dragon, turtle, or large lizard enclosure who wants a tested all-in-one solution. It is also a good value if you need to replace both a fixture and bulbs at the same time, since buying the kit costs less than buying each piece separately.

Long-Term Replacement Strategy

The basking bulb in this kit typically lasts 3 to 4 months of daily use, and the UVB bulb should be replaced annually regardless of whether it still glows. Budget for two basking bulb replacements per year and one UVB replacement to keep the setup performing as designed.

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How to Choose the Best Reptile Heat Lamp

Choosing the right heat lamp comes down to four questions: what species you keep, what size enclosure you have, whether you need daytime or nighttime heat, and whether your animal also needs UVB. Get those four answers right and the product selection becomes straightforward.

Types of Reptile Heat Lamps

Incandescent basking bulbs are the classic screw-in bulbs that produce visible light and focused infrared heat. They are affordable and great for daytime basking zones, but they have short lifespans of 2 to 3 months and cannot be used at night because the visible light disrupts reptile sleep cycles.

Ceramic heat emitters produce heat with zero visible light, which makes them the standard for nighttime heating. They last up to 10,000 hours, work with any ceramic-socket fixture, and are safe for all reptile species. The trade-off is they get extremely hot and require careful distance management.

Halogen basking lamps are a step up from incandescent bulbs. They produce a tighter, more intense beam of infrared-A radiation that penetrates deeper into reptile tissue, mimicking natural sunlight more closely. They cost more but last longer and use less electricity.

Mercury vapor bulbs combine heat, UVA, and UVB in a single self-ballasted bulb. They are the most efficient option for desert species, but they require open fixtures, have strict distance requirements, and can vary in lifespan between batches.

Deep heat projectors (DHP) are a newer technology that produces infrared-A and infrared-B without visible light. They are more expensive than ceramic emitters but replicate the solar spectrum more accurately. They require a dimming thermostat for safe operation.

Matching Wattage to Enclosure Size

Wattage selection depends on enclosure size, distance from bulb to basking surface, and room temperature. As a starting point, a 50W to 75W bulb suits a 10 to 20 gallon tank, a 100W bulb suits a 20 to 40 gallon tank, and a 150W bulb or higher suits a 40 to 75 gallon tank or taller enclosures.

These are starting points, not rules. The only way to know if your wattage is correct is to use a digital infrared thermometer to measure the basking surface temperature after the bulb has been on for 30 minutes. Aim for 95 to 105 degrees Fahrenheit for desert basking species, 85 to 90 degrees for temperate species, and 75 to 82 degrees for tropical understory species.

Daytime vs Nighttime Heating

Most reptiles need a temperature drop at night to maintain healthy circadian rhythms. Desert species can drop 15 to 20 degrees, while tropical species should drop 5 to 10 degrees. Use a basking bulb with visible light during the day and switch to a ceramic emitter or DHP at night if additional heat is needed.

Avoid red or blue so-called nighttime bulbs. Reptiles can see the light from these bulbs, and the claim that they are invisible to reptiles is outdated science. If you need nighttime heat, a ceramic emitter is the correct choice.

Thermostat Use and Why It Matters

Every heat source should be paired with a thermostat. An on-off thermostat is the minimum, but a dimming thermostat is better for basking bulbs because it extends filament life and avoids visible flicker. The REPTI ZOO fixture reviewed above has a PID dimming thermostat built in, which is the most convenient option.

Without a thermostat, your basking temperature will swing with room temperature. A hot summer day can push your basking spot over 115 degrees, which can burn your reptile. A cold winter night can drop it below the safe minimum. A thermostat costs less than a single vet visit.

Safety Considerations and Fire Prevention

Always use a fixture rated for the wattage of your bulb. The most common cause of reptile-related house fires is a high-wattage ceramic emitter screwed into a plastic-socket lamp rated for 60W. Check the label on your fixture and never exceed the rated wattage.

Maintain the minimum distance recommended by the bulb manufacturer, which is typically 8 to 12 inches for basking bulbs and 12 inches or more for ceramic emitters. Use a screen top or lamp guard so your reptile cannot directly touch the hot bulb surface.

Finally, never use a heat lamp with a household dimmer switch. Household dimmers are not rated for the sustained load of a heat lamp and represent a real fire risk. Use a thermostat designed for reptile heating or the dimming feature built into a fixture like the REPTI ZOO.

Why Reptile Heat Bulbs Burn Out Quickly

The number one complaint on every bulb in this list is short lifespan. The reason is physics. Incandescent and halogen bulbs work by heating a tungsten filament to incandescence, which slowly evaporates the tungsten until the filament breaks. Every on-off cycle accelerates this process.

To extend bulb life, use a dimming thermostat instead of an on-off thermostat, avoid handling the glass with bare fingers (oils cause hot spots), make sure your fixture has adequate ventilation, and consider upgrading to a ceramic emitter or LED-based heat source if you are tired of replacing bulbs every few months.

Frequently Asked Questions

What’s the difference between a basking lamp and a heat lamp?

A basking lamp is a specific type of heat lamp that produces focused visible light and infrared heat in a directed beam, designed to create a warm basking spot. A heat lamp is the broader category that includes any bulb producing heat, including ceramic emitters that produce no visible light. All basking lamps are heat lamps, but not all heat lamps are basking lamps.

How much does it cost to run a 250 watt heat lamp for 24 hours?

At the United States average electricity rate of about 16 cents per kilowatt hour, running a 250 watt heat lamp for 24 hours costs approximately 96 cents. The calculation is 0.25 kW multiplied by 24 hours multiplied by 0.16 dollars per kWh. Over a month of continuous use that comes to around 29 dollars.

Which heat lamp is best?

The best heat lamp depends on your setup. For nighttime heat, the LUCKY HERP 150W ceramic emitter is our top pick because it produces no visible light and lasts up to 10000 hours. For daytime basking, the REPTI HOME 100W basking bulb delivers reliable focused heat at a low price. For combined heat and UVB, the REPTI ZOO mercury vapor lamp covers both in one bulb.

Which is better, a red or clear heat lamp?

A clear heat lamp is better than a red heat lamp for almost every reptile. The idea that reptiles cannot see red light is outdated, and studies show red bulbs can disrupt normal day-night cycles. For nighttime heat use a ceramic heat emitter which produces zero visible light, or a deep heat projector.

Can you leave a reptile heat lamp on all night?

Whether you should leave a heat lamp on at night depends on your species and room temperature. Most reptiles need a nighttime temperature drop of 5 to 20 degrees. If your room drops below the safe minimum for your species, use a ceramic heat emitter on a thermostat overnight rather than a visible-light basking bulb.

Why did my heat lamp stop working?

The most common reason a heat lamp stops working is that the internal filament has broken due to age, power surges, or vibration. Incandescent bulbs typically last 2 to 3 months of daily use. Other causes include a faulty fixture socket, a tripped outlet, or a blown internal safety fuse in mercury vapor bulbs. Always test the bulb in a second fixture before discarding it.

Final Thoughts

Finding the best reptile heat lamps in 2026 comes down to matching the heat source to your animal, your enclosure, and your budget. For most keepers, the LUCKY HERP ceramic emitter paired with a solid fixture like the Fluker’s Repta-Clamp or ReptiKing dome covers the essentials. Add a basking bulb for daytime visible light and a UVB source for desert species, and you have a complete heating setup.

Whichever product you choose, the two non-negotiables are a ceramic-socket fixture rated for your wattage and a thermostat to prevent dangerous temperature swings. Get those right, verify your basking temperature with an infrared thermometer, and your reptile will have the stable warm environment it needs to thrive for years.

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