Best Heater for Betta Fish

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SaleNo. 1
Aqueon Aquatic Flat Heaters 5 Watts
111 Reviews
Aqueon Aquatic Flat Heaters 5 Watts
  • Fully submersible
  • Vertical or horizontal placement using suction cups that mount to the bottom or side wall of tank
  • Quick and easy installation
  • Shatterproof construction
  • Can be used with glass or acrylic enclosures
SaleNo. 2
PULACO 25W Small Aquarium Betta Heater with Free Thermometer Strip, Under 6 Gallon Fish Tanks
14 Reviews
PULACO 25W Small Aquarium Betta Heater with Free Thermometer Strip, Under 6 Gallon Fish Tanks
  • ★【Betta Heater】This Fish Tank Heater should be 100% submerged into water, Ideal for small glass or acrylic desktop aquariums up 1 to 6...
  • ★【Quick and Easy Installation】:Vertical or horizontal placement using, Aquarium heater automatic temperature control 78℉, no need to...
  • ★【How it Works】: Plug in, red light turns on, the heater will start working until water temperature up to 78°F, and red light off,...
  • ★【Note】: Do not operate or leave product plugged in when your water tank is out of water, heater should be fully submerged into water....
  • ★【SATISFACTION GUARANTEED】Our Aquarium Heater is built with durability in mind and safety for every design. In the remote possibility...
SaleNo. 3
FREESEA 25 Watt Aquarium Betta Fish Tank Heater with Aquarium Submersible Thermometer
  • ★【25 Watt Heater】: This Aquarium heater is suitable for 1 to 5 gallons aquariums, Length - 6.8 inch,voltage 110-120V, power cord is...
  • ★【Temperature range】: 63°F~95°F , It is very easy to adjust the temperature you need, we also deliberately give each customer a free...
  • ★【Intelligent temperature control】: Automatic constant temperature function, when water temperature reaches to specified temperature...
  • ★【Note】: 1. Aquarium heater is 100% submersible use only, during its heating time, heater must be 100% submerged into the...
  • ★【SATISFACTION GUARANTEED】: Gain the confidence to go hard with us! Our Aquarium Heater is built with durability in mind and safety...
SaleNo. 4
FREESEA 50W Mini Aquarium Heater Fish Tank Submersible Heater with LED Temperature Display
357 Reviews
FREESEA 50W Mini Aquarium Heater Fish Tank Submersible Heater with LED Temperature Display
  • ★ Temperature range: 59°F~94°F, display Fahrenheit °F, this heater is designed for1~10 gallons tank.
  • ★ Automatic constant temperature function, when water temperature reaches to specified temperature value, heater will automatically stop...
  • ★ Touch button, cyclic adjust temperature , easy to use and Safety.
  • ★【Note】:this heater is 100% submersible use only, during its heating time, heater must be 100% submerged into the water.
  • ★【SATISFACTION GUARANTEED】Gain the confidence to go hard with us! Our Aquarium Heater is built with durability in mind and safety for...
No. 5
VIBIRIT Aquarium Heater,Betta Fish Tank Heater 25W Smart Small Aquarium Heater,Energy Efficient Submersible Thermostat +...
  • Fully Automatic Temperature Control Chip:VIBIRIT submersible aquarium heater automatically adjusts the temperature between 75°F and 82°F...
  • Advanced Materials: sturdy engineering plastic. It has anti-explosion, anti-scalding function, high temperature resistance and high safety....
  • 25W Fish Tank Heater is suitable for 3 to 5 gallons and can be used in mini fish tanks and aquariums. The super-designed suction cups hold...
  • Included Temperature Sticker: You can attach the temperature sticker to the surface of the water tank(don't put in the water), through which...
  • Parameters and Quality Assurance: working power 25w, frequency: 50/60Hz, voltage: 110-120V, waterproof rating IP68. This product aquarium...
No. 6
PGFUNNY 25W Aquarium Heater, Fish Tank Heater for Betta Smart Thermostat, Slim Design Fit 3 to 5 Gallon Tank, with...
76 Reviews
PGFUNNY 25W Aquarium Heater, Fish Tank Heater for Betta Smart Thermostat, Slim Design Fit 3 to 5 Gallon Tank, with...
  • 【Fully Automatic Temperature Control Design】: The Aquarium heater equipped automatic temperature control system, The temperature...
  • 【Suitable for 3-5 Gallon Tank】: The 25W fish tank heater design fit for small fish tanks which can contain 3 to 5 gallons of water. If...
  • 【Advanced Materials】The small betta heater is made of sturdy engineering nylon and glass fiber, which is flame retardant, constant and...
  • 【Come with Thermometer Strips】: By using the Thermometer Stripe, you will be able to monitor. An easy to identify blue color shows the...
  • 【Quality Assurance】: This product fish tank heater has certificated by CE, ROHS, FCC, and UL1018. Anti-explosion, Waterproof,...
No. 7
DaToo 10 Watt Small Aquarium Heater Mini Betta Flat Fish Tank Heater for 1 Gallon 1.5 Gallon
  • PERFECT MINI HEATER FOR 1~1.5 GALLON TANK - For a Betta breeder with a 1 to 1.5 gallon small tank, it is very difficult to choose a suitable...
  • CONSTANT TEMPERATURE & NO NEED TO ADJUST - DaToo 10W MINI Aquarium Heater can automatically maintain a constant temperature between 75°F...
  • 24V SAFE VOLTAGE & POWER OFF AFTER LEAVING WATER - The output voltage of the DaToo Betta Heater is only 24V, which not only ensures the...
  • PTC HEATING & ONLY SUITABLE FOR FRESHWATER - Unlike conventional glass aquarium heaters, PTC has better thermal conductivity and heating...
  • ATTENTION & ONE YEAR WARRANTY - This is 10W MINI Aquarium Heater, size is 3*2*0.26 inch, fit 1~1.5 gallon small tank. Only for fresh water...
No. 8
ZEETOON 25W Aquarium Heater, Automatic Thermostat Betta Fish Tank Heaters, Tortoise Small Water Warmer for 2-5 Gallon...
8 Reviews
ZEETOON 25W Aquarium Heater, Automatic Thermostat Betta Fish Tank Heaters, Tortoise Small Water Warmer for 2-5 Gallon...
  • 73ºF-82ºF Auto Thermostatic: ZEETOON Fish Tank Heater Betta Fish's Favorite Gifts, Suitable for all kinds of aquarium pets, Betta,...
  • Mini Sized More Fit: Specific perfect for mini aquarium under 5 gal/20L. Fully submersible compact betta fish heater for all shapes and...
  • Automatic For Energy-saving: Adopted intelligent circuit board, with a precise sensing probe and thermostat heating system. Unlike other...
  • Smart For Your Safety : ZEETOON Mini Heater different from a manually adjusted heater. Our heater automatic temperature regulate on...
  • High Quality: Made by heat resistant ABS housing, sandy quartz filler and MCH Alumina ceramic heating system, anti explosion & cracking, it...


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