• 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

  • 25W Betta Fish Tank Heater, Smart Thermostat Submersible Small Mini Aquarium Heater, Anti-Explosion/Energy-efficient Water Temp Controller Easy to Use for 1-5 Gallon - Gift with 2 Artificial Plants

    ★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: B07PCNGXPG
    • UPC: 745844202035
    • ASIN: B07PCNGXPG
    • Brand: U-pick
    • Manufacturer: CM Ltd Co.

  • 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

  • Marina Betta Submersible Heater for Aquarium

    The marina betta heater is an automatic, submersible heater that creates ideal water conditions for bettas to thrive in. the exterior is made of durable polymer, which is more resilient than traditional glass sleeve heaters. the heater is designed to reach and maintain a set temperature—no manual adjustments required. it has a red indicator light that illuminates when the heater is working. it comes with a suction cup, so you can easily install it against the aquarium window.

    • ASIN: B00AE23Z88
    • UPC: 015561111829
    • ASIN: B00AE23Z88
    • Brand: Marina
    • Size: Compact
    • Manufacturer: Marina

  • Aqueon Mini Heater for Aquariums, 5 Watt, Under 2.5 Gallons

    Aqueon Flat Heaters provide warmth for small tropical fish. Designed for small glass or acrylic desktop fish tanks. Heater size is 5 Watts. Efficiently warms water, fully submersible, quick and easy installation. Includes suction cups for vertical or horizontal placement. Recommended for fish tanks between 1/2 -2 Gallons. Dimensions:

    • ASIN: B07DTH7F3F
    • UPC: 015905000697
    • ASIN: B07DTH7F3F
    • Brand: Aqueon
    • Size: 2 Gallon
    • Manufacturer: Central Aquatics

  • 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

  • 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

  • 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

  • NICREW Submersible Mini Aquarium Heater, Aquatic Turtle Heater with Intelligent LED Temperature Display, 25W Small Fish Tank Heater

    NICREW Submersible Mini Aquarium Heater Its slim profile and unobtrusive design allow the tiny heater to fit perfectly inside micro tanks and mini aquariums. This heater provides the natural warmth that fish like bettas and guppies need by heating a 2 to 5 gallon tank or bowl to the ideal temperature. Overheat Protection Intelligent temperature control circuit promises an automatic safety shut-off and overheat protection. Remote Temperature Regulate Easy to change the temperature without touching water. On/Off Indicator Light Red: Aquarium temperature is below set range, heating function will... [Read More]

    • ASIN: B07KCZDYRG
    • ASIN: B07KCZDYRG
    • Brand: NICREW
    • Size: 25-watt
    • Manufacturer: NICREW

  • DaToo 10 Watt Small Aquarium Heater Mini Betta Flat Fish Tank Heater for 1 Gallon 1.5 Gallon

    The Best Mini Aquarium Heater 10W For Your KidsFeature- Power: 10 Watt- Output Voltage: DC 24V - Size: 3*2*0.26 inch- Fit 1~1.5 gallon small tank- Temperature constant at 75°F to 82°F(Depending on the external environment), No need to set.- Only for fresh water tanks- Power Off After Leaving Water (Heating indicator shows green)Why Do I Select 10Watt DaToo Mini Aquarium Heater?1. Super Small and Thin size, more suitable for 1~1.5 gallon small tank, perfectly hidden in your samll tank.2. 24V Safe Voltage and Power Off After Leaving Water, not afraid of electric leakage and dry burning, ideal ... [Read More]

    • ASIN: B07QSS6DV2
    • UPC: 192589503352
    • ASIN: B07QSS6DV2
    • Brand: DaToo
    • Size: 10W For 1~1.5 Gallon
    • Manufacturer: DaToo

  • Hygger Submersible Aquarium Heater, Adjustable Fish Tank Heater Compact Reliable Betta Heater, Heat-Resistant Milky Quartz Made, with External Temp Controller, 50W/100W/300W, 7-60 Gallon (100W)

    Hygger compact aquarium heater is very safe and durable, milky quartz material made, can resist a high temp of 1800℉, excellent in explosion-proof & shatter-resistant.The service life can be more than 3 years if only using in fresh water.Led indicator light inside the quartz tube.When the tank heater is heating, the indicator light is red. When it stops heating, the light is off.When does the heater stop and restart heating? The aquarium heater is very reliable to maintain the water temp as your set. It will stop heating when the water temp is 1.5-2℉ above the set temp and will restart hea... [Read More]

    • ASIN: B07G4CHQS2
    • UPC: 688209998160
    • ASIN: B07G4CHQS2
    • Brand: Hygger
    • Size: 100W
    • Manufacturer: hygger

  • Betta Heater - for Small Tanks (10 W) - Fully Submersible Aquarium Heater - Automatically Reaches Preset Temperature - Energy-efficient Heating Module - Suction Cups for Easy Installation

    What size tank is this SunGrow Aquarium heater used for? The size of the water heater is 13.5*2.5*1.7 inches. This has enough power to heat up max 3.5-gallon tanks. If you have a bigger tank consider using a different SunGrow aquarium heater. T

    • ASIN: B07CQ3W23L
    • UPC: 688977508950
    • ASIN: B07CQ3W23L
    • Brand: SunGrow
    • Manufacturer: Luffy Pets Collection

  • 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

  • Betta Heater - for Small Tanks (1.5 gal.) - Fully Submersible Aquarium Heater - Automatically Reaches Preset Temperature

    What size tank is this SunGrow Aquarium heater used for? The size of the water heater is 13.5*2.5*1.7 inches. This has enough power to heat up max 3.5-gallon tanks. If you have a bigger tank consider using a different SunGrow aquarium heater. The heater runs between 8-13 W. You can easily install it against the aquarium window.Why is a fully submersible heater better than half submersible? The fully submersible heater gives the aquarium hobbyist more freedom to place the heater wherever they prefer in the tank. Each aquarist will decide on the ideal placement of the heater. The heat will circu... [Read More]

    • ASIN: B07KT17JLD
    • UPC: 688977511394
    • ASIN: B07KT17JLD
    • Brand: SunGrow
    • Manufacturer: Luffy Pets Collection

  • 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

  • Penn Plax Cascade Aquarium Heater, 10-Inch, 150-Watt

    The Cascade Heat line of aquarium heaters from Penn-Plax brings trouble-free and reliable operation to your aquarium at a bargain price. Each heater features heavy duty coils encased in thick glass tubing and heats aquariums

    • UPC: 20419855
    • Model: CH8150
    • Color: N/AMulticolor
    • Rating: 4.375

  • Penn Plax Fully Submersible Aquarium Heater, 300-Watt

    The Cascade Heat line of aquarium heaters from Penn-Plax brings trouble-free and reliable operation to your aquarium at a bargain price. Each heater features heavy duty coils encased in thick glass tubing and heats aquariums

    • UPC: 20419857
    • Model: CH12300
    • Color: N/AOther
    • Rating: 4.083

  • Tetra Submersible Aquarium Tank Heater, 30-60 Gallon, 200-Watt

    Keep tropical fish comfortable with the Tetra Submersible Heater. Tropical fish require consistent water temperatures for optimal health. This compact heater ensures optimal, consistent water temperatures. The unit is completely submersible, for easy placement into

    • UPC: 36135555
    • Model: 26464
    • Rating: 2.395

  • Aqueon Mini Heater for Aquariums Under 2.5 Gallons

    Aqueon Flat Heaters provide warmth for small tropical fish. Designed for small glass or acrylic desktop fish tanks. Heater size is 5 Watts. Efficiently warms water, fully submersible, quick and easy installation. Includes suction cups

    • UPC: 916961950
    • Model: 100533032
    • Color: Multicolor
    • Rating: 4.2

  • Marina Betta Submersible Heater

    Marina Betta Submersible Heater

    • UPC: 54997500
    • Model: 11182
    • Color: Black
    • Rating: 4.529

  • Penn Plax Aquarium Heater, 7-Inch, 50-Watt

    The Cascade Heat line of aquarium heaters from Penn-Plax brings trouble-free and reliable operation to your aquarium at a bargain price. Each heater features heavy duty coils encased in thick glass tubing and heats aquariums

    • UPC: 20419852
    • Model: CH850
    • Color: Multicolor
    • Rating: 5.0

  • Penn Plax Fully Submersible Aquarium Heater, 200-Watt

    The Cascade Heat line of aquarium heaters from Penn-Plax brings trouble-free and reliable operation to your aquarium at a bargain price. Each heater features heavy duty coils encased in thick glass tubing and heats aquariums

    • UPC: 20419856
    • Model: CH10200
    • Color: N/AOther
    • Rating: 3.75

  • Marina Submersible Aquarium Heater, 8.5-Inch, 50-Watt

    Marina Submersible Heater 8.5",

    • UPC: 54997502
    • Model: 11232
    • Rating: 5.0

  • What Betta Fish Heaters Do We Use?

    Top Fin betta tank heater review

    Heater for small Betta tank (combating the chilly room)