• Aqueon Preset Aquarium Heater, 50W

    Aqueon Preset Aquarium Heaters require no adjusting! The preset temperature has been calibrated to 78°, appropriate for most tropical fish. This 50W unit, ideal for aquariums up to 20G,  is fully submersible, constructed of shatter-resistant quartz glass and features an automatic safety shut-off to avoid overheating. The heaters include suction cups and can be placed vertically or horizontally within the aquarium.  An LED indicator light displays red when actively heating.

    • ASIN: B00Q78MMT6
    • UPC: 015905062510
    • ASIN: B00Q78MMT6
    • Brand: Aqueon
    • Size: 50W
    • Manufacturer: Central Aquatics

  • Tetra HT Submersible Aquarium Heater With Electronic Thermostat

    All Tetra HT heaters have red/green indicator lights to let you know when the heater is heating(red) or on standby(green). The low voltage thermostat maintains water at 78°F without any adjustment required. Be sure purchase the correct heater for your tank size. Buying a heater too small for your tank can cause under heating. It is critical to ensure your tank is equipped with a hood or glass canopy to contain the heat inside the aquarium. All Tetra HT Heaters will shut off if an electrical short is detected for your safety.

    • ASIN: B000OQO69Q
    • UPC: 046798264477
    • ASIN: B000OQO69Q
    • Brand: Tetra
    • Size: 50-watt
    • Manufacturer: Tetra

  • Betta Fish Tank Heater, Mini Submersible 25W Aquarium Heaters Energy-efficient Water Temp Controller Smart Thermostat Warmer for 1-5 Gallon -2 Artificial Plants 1 Stick-on Thermometer Strip Include

    ✅Your little Betta Fishes will be happy with your gift for it! Great! ✅Attention points: In a long-term use, please regularly clean the water grass and impurities attached on the heater surface. The heater is completely sealed so please don't disassemble it, that will make it permanently damaged. We freely provide 1 year quality assurance for this product, we will be responsible for any product ✅Note! It is designed to work under water only, please NOT turn it on when it's outside water, as dry burning might lead to malfunction. Please don't put it in the water if the wire or heater d... [Read More]

    • ASIN: B07S1WXJ3F
    • UPC: 608651396833
    • ASIN: B07S1WXJ3F
    • Brand: ZEETOON
    • Manufacturer: ZEETOON

  • Bosch Electric Mini-Tank Water Heater Tronic 3000 T 4-Gallon (ES4) - Eliminate Time for Hot Water - Shelf, Wall or Floor Mounted

    Get hot water where it's needed, when it's needed with the Bosch ES4 Tronic 3000 T Electric water heater. This 4-gallon capacity point-of-use mini-tank fits right under your sink and provides a practical and effective solution to your hot water needs. This smaller model can be plugged right into a 120-volt outlet with the 36-37" cord, or can be installed in-line with a larger hot water source to provide "on-demand" use. The glass-lined tank offers great insulation and added durability, while the heater's fast recovery rate eliminates long waits for hot water. An external dial allows you to eas... [Read More]

    • ASIN: B0148O65IE
    • UPC: 525751203314
    • ASIN: B0148O65IE
    • Brand: Bosch Thermotechnology
    • Size: 4 Gallon
    • Manufacturer: BOSCH THERMOTECHNOLOGY

  • BKTC 50W Aquarium Heater Submersible Fish Tank Heater 50 Watt Adjustable for 2 to 10 Gallon Tank

    BKTC 50W Aquarium Heater For 2~10 Gallon TankBKTC Aquarium Heater is a system dedicated to creating a warm and comfortable environment for fish. No complicated operation, easy to use, just turn the knob on the top of the heater gently, you can get the perfect temperature you want. Specification:Power: 50WFit: 2~10 Gallon TankSize: 1.2 X 1.2 X 8.2 InchTemperature Range: 65°F ~ 93°FProduct Features:- Perfect Thermostat System- Germany Microcrystalline Glass- Nickel-chromium alloy heating wire- Overheating Protection- Extra Protective Case (Other brands don't have this)- One Year WarrantyNote: ... [Read More]

    • ASIN: B07DYMJ1K3
    • ASIN: B07DYMJ1K3
    • Brand: BKTC
    • Size: 50 Watt
    • Manufacturer: BKTC

  • Uniclife Aquarium Heater Submersible 25W with Suction Cup and Thermometer for 5 Gallon Fish Tank

    Uniclife HT-2025 25 W Aquarium heater - Best for 5 gallon Aquarium Unilcife heater is made of high quality EXPLOSION PROOF Quartz Glass and provides required heating for your aquarium. Featuring top view temperature control. Easy to adjust with temperature control from 61°F to 90°F (16°C - 32°C). This double insulated heater is safe and fully submersible, and can easily be installed by attaching the suckers to the glass. The heater must be fully submerged and should be placed diagonally vertically in the aquarium, rather than horizontally. A stick-on type thermometer enables you to ch... [Read More]

    • ASIN: B07Q991MVY
    • UPC: 669818895057
    • ASIN: B07Q991MVY
    • Brand: Uniclife
    • Manufacturer: Uniclife

  • FREESEA Small Aquarium Betta Submersible Heater with LED Temperature Display (50-300Watt)

    Multi-function LED digital display heater: Use advanced IC technology, perfect design, Oval appearance, large LED display. Clearly and accurately displays the water temperature, highlights your aquarium. Instructions ●Temperature control switch box should be higher than water surface. ●To get the best performance of heating up the aquarium , when you using this heater we suugest to use a wave maker at the same time to support water circulation. ●Heater should be completely submerged in the circulating water to work properly. ●Heaters can not be exposed above the water, Heaters can not... [Read More]

    • ASIN: B075PSPCNY
    • UPC: 722970219243
    • ASIN: B075PSPCNY
    • Brand: FREESEA
    • Size: 50Watt for 1-10 gallon tank
    • Manufacturer: Guang Zhou City Weierma Electrical Co.,Ltd

  • DaToo Aquarium Heater Fish Tank Heater Submersible 50 Watt, 1 Yr Warranty

    The Best Aquarium Heater 50W For Your NeedsProduct Features Power: 50W aquarium heater. Fit 2 to 10 gallons tank( fresh water and salt water). Suction pad for ease of placement on any glass surface. Temperature in Fahrenheit ( 65°F to 93°F). Aquarium Heater length 6.7inch.NOTICE:1. Please have a hood or glass canopy for your aquarium tank and keep the water flowing. This will ensure that increase the temperature of the whole aquarium tank rather than somewhere.2. Do not power on until the heater is completely submerged in the water. When you want to take out the heater, please wait 10 minute... [Read More]

    • ASIN: B0796QQ7Z2
    • ASIN: B0796QQ7Z2
    • Brand: DaToo
    • Manufacturer: DaToo

  • SZELAM 25W Smart Mini Aquarium Heater, Betta Fish Tank Heater Thermostat Warmer Submersible Anti-Explosion/Energy-efficient Water Temp Controller - 3 Artificial Plants Include

    ★Information: Suitable for all shapes and materials fish tanks, whether it is glass or plastic, all can be used. Dedicated designed for small and mini sized aquarium under 5 gallons, intelligent temperature regulate, very easy to use. Suitable for all kinds of aquarium pets, tropical fish, goldfish, ornamental fish and turtles, can work in both brine and fresh water. Your little fishes and turtles will no longer fear the winter! 3 Aquarium Decor Artificial Plants make their homes beautiful not boring. ★Attention points: In a long-term use, please regularly clean the water grass and impurit... [Read More]

    • ASIN: B07K2VF3LM
    • UPC: 745844198734
    • ASIN: B07K2VF3LM
    • Brand: SZELAM
    • Manufacturer: SZELAM

  • Dewei Submersible Aquarium Heater 25W, Small Fish Tank Heaters with LED Temperature Display and External Temperature Controller for 5 Gallon Fish Tank

    Specification: Temperature Range: 20-34℃(68 to 94°F) Size: 12.5cmx6.5cmx3.2cm Voltage: 110V-120V Plug Type: US plug Different Power For Different Tank Size, Suggestions Below: 25W:Water Capacity 3-5gal 50W: Water Capacity 3-15gal 100W: Water Capacity 15-40gal 300W: Water Capacity 50-60gal Package Includes: 1 x Aquarium heating rod (110V-120V, US plug)

    • ASIN: B07KKK9K5V
    • UPC: 714676559150
    • ASIN: B07KKK9K5V
    • Brand: Dewei
    • Manufacturer: Dewei

  • PGFUNNY 25W Aquarium Heater, Fish Tank Heater for Betta Smart Thermostat, Slim Design Fit 3 to 5 Gallon Tank, with Thermometer Strips

    Functionality : Material: ABS anti-scalding housing(-40℃~100℃), sandy quartz filler, MCH Alumina ceramic heating system Waterproof: IP68: 120CM indefinite waterproof Rated power: 25W Rated operating voltage: 110V - 120V Automatic constant temp: 23℃ - 25 ℃ (±1℃) Security protection systems: anti-scalding surface treatment, anti-explosion, anti-cracking Applicable volume of fish tank water: under 5 gallons or 20 liters

    • ASIN: B07S22DCDV
    • UPC: 751677212233
    • ASIN: B07S22DCDV
    • Brand: PGFUNNY
    • Manufacturer: ZENGH

  • Aqueon Flat Heater, 7.5W, up to 3 Gallon

    The Aqueon flat heaters are designed to provide warmth for tropical fish being kept in 3G – 10G tanks. They come in two sizes – 7.5W and 15W – are completely submersible and will efficiently warm aquarium water up to 6 degrees above room temperature. Each is equipped with 6ft cord with cord suction cup and can be mounted to the walls or bottom of the aquarium.

    • ASIN: B00XEDV478
    • UPC: 015905012300
    • ASIN: B00XEDV478
    • Brand: Aqueon
    • Size: 7.5W
    • Manufacturer: Aqueon

  • boxtech Submersible Aquarium Heater 50W/100W/300W - Explosion-Proof Automatic Digital Control Water Fish Tank Thermostat, Heat-Resistant Quartz Made for 5-80 Gallon

    Electronic temperature control heater Feature: 1.Technical innovation Easy operation Precision IC inside,double-loop circuit design,Over-temperature protection, safety.Explosion-proof,auto-protection while heating air.High quality.Temperature control is accurate adjustable,Automatic temperature,Precise temperature control. 2.Cooling recovery safety protection The water temperature sensor is installed in the IC circuit to prevent air burning and heating over temperature. 3.High quality,Explosion-proof Quartz tube Aquarium heater tube is heat-resistant milky quartz made, excellent in explos... [Read More]

    • ASIN: B07M665MNN
    • UPC: 781573732290
    • ASIN: B07M665MNN
    • Brand: boxtech
    • Size: 50 W suit for 5 - 15 Gallon
    • Manufacturer: BOXTECH

  • Hygger Titanium Aquarium Heater for Salt Water and Fresh Water, Digital Submersible Heater with External IC Thermostat Controller and Thermometer, for Fish Tank 5-10 Gal (50W)

    hygger titanium aquarium heater kits, with 1 digital thermostat controller + 2 suction cups + 1 thermometer. Specially designed for saltwater aquariums, with temp setting remember function.How to set the digital heater temp controller?1. When plug in, firstly press the button "Up" to choose the temp unit pattern,℃ or ℉.2. Set the temp: press the button "Set" for 2-3 seconds until the set temp led flickering, then press thebutton "Down" or button "Up" to set the value to your desired temp, finally, press the "Set" button again to lock the value.3. You can set the temp from 32℉to 104℉.Wh... [Read More]

    • ASIN: B07H31LG15
    • UPC: 688209998276
    • ASIN: B07H31LG15
    • Brand: Hygger
    • Size: 50W (5-10 gallon)
    • Manufacturer: hygger

  • GOOBAT Mini Betta Heater for Aquariums, Submersible Heater for Betta Tanks Up to 5.5 Gallons, 15W

    The GOOBAT Betta Heater is an automatic, submersible heater that creates ideal water conditions for bettas to thrive in. It comes with a suction cup, so you can easily install it against the aquarium window. The Betta Heater is suitable for aquariums up to 5.5 Gallons.

    • ASIN: B07JQBS4Y5
    • UPC: 652054409454
    • ASIN: B07JQBS4Y5
    • Brand: GOOBAT
    • Size: 15W, 1 - 5.5 Gallon
    • Manufacturer: GOOBAT

  • Tetra Submersible Aquarium Tank Heater, 2-15 Gallon, 50-Watt

    Tetra Heater 5-15

    • UPC: 10291808
    • Model: WHT5-15
    • Color: Black
    • Size: 1FOR 2 - 15 GALLON TANKS
    • Rating: 3.643

  • Tetra Submersible Aquarium Tank Heater, 10-30 Gallon, 100-Watt

    Keep your aquatic pets warm with the Tetra Submersible Heater 10-30. It provides the warmth fish need to survive in a compact and safe delivery method. With an automatic shut-off, it will keep the water

    • UPC: 10291809
    • Model: WHT10-30
    • Color: Black
    • Size: 0001.000
    • Rating: 3.558

  • Marineland Precision Aquarium Heater, Up to 80 Gallons, 300-Watt

    Get precise control of your aquarium temperature with the Precision Submersible Heater. This Heater combines an adjustable temperature dial, a high visibility temperature display and an advanced heating element to keep your aquarium water at

    • UPC: 45659823
    • Model: ML90654
    • Color: Multicolor
    • Size: 300 Watt
    • Rating: 3.143

  • Lifegard Full-View 5 Gallon Aquarium with LED Light, Submersible Filter, 100 Watt Preset Heater, Magnetic Algae Scrub Brush, LED Thermometer, and Net

    5 Gallon Capacity, This is not your traditional flat front square or cube tank. This is a well-designed Full View Aquarium. The angled front allows the user to have a larger viewing area inside the

    • UPC: 155198191
    • Model: R800200

  • Lifegard Full-View 5 Gallon Aquarium with LED Light, Built-in Back Filter, 100 Watt Preset Heater, Magnetic Algae Scrub Brush, LED Thermometer, and Net

    5 Gallon Capacity, This is not your traditional flat front square or cube tank. This is a well-designed Full View Aquarium. The angled front allows the user to have a larger viewing area inside the

    • UPC: 947475386
    • Model: R800204

  • Lifegard Full-View 7 Gallon Aquarium with LED Light, Built-in Back Filter, 100 Watt Preset Heater, Magnetic Algae Scrub Brush, LED Thermometer, and Net

    7 Gallon Capacity, This is not your traditional flat front square or cube tank. This is a well-designed Full View Aquarium. The angled front allows the user to have a larger viewing area inside the

    • UPC: 624816159
    • Model: R800205

  • Aquarium Heater Fully Submersible Within 1 Degree of Accuracy 75 Watt Heats Up to 15 Gallon Tank Penn Plax - 5 Gallon 7"- 25 Watt

    Aquarium heater sets and maintains the temperature in your tank within 1 degree accuracy. Features both Fahrenheit and Celsius temperature with easy to read gage. Heater is fully submersible and can be placed horizontally or

    • UPC: 419154104

  • EcoSmart ECOMINI2.5 12 Amp Electric 2.5 Gallon Minitank Water Heater

    Stores up to 2.5 gal. of water to supply hot water rapidlyIt easy and straight-forward to install and includes an appliance lineIdeal for buffer and point-of-use applicationsPlugs easily into a standard 120V outlet for

    • UPC: 42556932
    • Model: ECO MINI 2.5
    • Rating: 5.0

  • Via Aqua Quartz Heater 100 Watts - 25 Gallon Tank - Pack of 10

    High Quality, Break Resistant Quartz Glass ConstructionFully SubmersibleSimple InstallationAvailable In A Variety Of SizesSuction Cups For Securing To The AquariumVisible Temperature SettingFor Use In Fresh And SaltwaterThis is an offering for multi quantity bundle -

    • UPC: 703136465

  • Via Aqua Quartz Heater 100 Watts - 25 Gallon Tank - Pack of 12

    High Quality, Break Resistant Quartz Glass ConstructionFully SubmersibleSimple InstallationAvailable In A Variety Of SizesSuction Cups For Securing To The AquariumVisible Temperature SettingFor Use In Fresh And SaltwaterThis is an offering for multi quantity bundle -

    • UPC: 420993070

  • Best heaters for a 5 gallon freshwater aquarium fish tank: review

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