ReviewsAquarium Heater For 3 Gallon Tank

Koller Products Replacement Filter Cartridges - Small, 6-Pack

  • REMOVES DEBRIS: Dual-sided poly-fiber floss removes fish waste and other debris..
  • FULLY ASSEMBLED: Ready-to-use cartridge contains premium activated carbon that keeps water clean and fish healthy..
  • ENHANCE FILTRATION: Specially designed to enhance filtration all the while keeping your fish in best health..
  • OPTIMUM FILTRATION: For optimum filter performance replace cartridge monthly or sooner if heavily soiled and reduced water flow..
  • NO GETTING HANDS WET: Easy to install, easy to replace, No Getting Hands Wet!.
  • SIZE SMALL: Fits Koller Products and Hawkeye power filters for the following aquariums: AquaTunes 2.5-gallon Aquarium with Sleep Sound Machine (B00HH7UVYO), AquaTunes 3.5-gallon Aquarium with Sleep Sound Machine (B00HH7UW1Q), AquaView 3-gallon (B01M4LNYWS), 4.5-gallon Aquarium (B01JS39E60), 5-gallon Aquarium (B00KIRR8BY), 6-gallon 360 Aquarium (B007R5C6CG), 6.5-gallon Aquarium (B0182CAHWS), 7-gallon Aquarium (B01JS2NNJA), Smart Tank 5-gallon Aquarium, Smart Tank 6.5-gallon Aquarium (B086D9B85Q), and Smart Tank 7-gallon Aquarium (B0865LG56Z)..
  • DIMENSIONS: 2.38" L x .75" W x 5" H. Product may ship in white SIOC packaging depending on demographic region..
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hygger 200W Aquarium Heater with LED Digital Temperature Controller, Submersible Fish Tank Heater for 15-30 Gallon Tank

  • This fully submersible aquarium heater enables memory function and over heat protection. Auto stop heating when over-heats, resets when it cools down..
  • Made with premium quartz and double sealed by black protective guard, this fish tank heater is resistant to explosion and corrosion, and protect fish and other livestocks from punching and scalding.
  • Build-in external IC temp controller, easy to read blue LED digital number shows real time water temperature. Heat indicator lights on red when fish heater start to heat and turns in yellow once it reach set temperature. Temp accuracy is +/- 1°F..
  • Easy to set temperature without getting hands wet. Temperature can be precisely adjusted from 61 to 90°F (16°C ~ 32°C). Just press set button to desired temperature, it blinks 3 seconds and begins to work.
  • 200 watt aquarium heater, voltage 110-120V, suitable for tank capactiy 15-30 gallon freshwater and saltwater aquariums.
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YukiHalu Submersible Aquarium Heater, 10W/20W/30W Adjustable Mini Fish Tank Heater, External Temperature Controller, LED Temperature Display, Used for 0.5-1/2/3 Gallons (30 Watts (3 Gallons))

  • 【30W mini heater, for 1.5-3 gallon】YukiHalu 30W mini aquarium heater is specially designed for the mini fish tanks less than 3 gallon. The water temperature can be accurately adjusted from 64 to 93°F. The rated voltage: 100-130V..
  • 【Super mini size】The heater only 6cm / 2.4inch long. Fits for super mini fish tank, easy to install and easy to hide..
  • 【Automatic thermostat, 1°F accuracy】The heater adopts PID control strategy, and the temperature fluctuation range can be reduced to 1°F. The heating is automatically stopped when the set temperature is reached..
  • 【Overheating protection】The power will be cut off and stop heating automatically if the heater overheating. Protect your fish. Never cook your fish. 30days full refund, 12-months warranty..
  • 【External Temperature Controller】Easy to set and read the temperature through external controller which has built-in temperature sensor, LED display and smart setting memory function. No need to buy other aquarium temperature meter. The heater will remember the temperature setting, no need to reset the temperature after p....
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AquaMiracle Adjustable 150W Aquarium Heater Submersible Fish Tank Heater Super Short Aquarium Heater with LED Digital Display Thermostat, for Tanks 15-30 Gallons

  • SUPER MINI SIZE – This aquarium heater is SUPER SHORT in length – might be the shortest heater in the market. It is only a bit more than HALF of the length comparing with the traditional fish heaters! The innovative super short length perfectly solves the headache of the fish keepers on the traditional aquarium heaters! Takes up less space, easy to hide, but in full power! Temperature range is 64-93F. 4 sizes for 10/20/30/40 Gallon tanks..
  • ACCURATE TEMPERATURE – Thanks to the intelligent inverter technology, with the in-built chips the thermostat keeps the heater at a constant temperature at an accuracy of 1F, much more accurate than the traditional knob-controlled fish heaters. The thermostat shows 2 readings – the current temperature and the set temperature – very easy to operate..
  • DRY RUN / OVERHEATING PROTECTION – Full consideration of safety. With the multiple protections this fish tank heater will stop working when the water level is lower than the minimum water level (DRY RUN PROTECTION) or when the water temperature exceeds 97F (OVERHEATING PROTECTION). You are free from “cooking fish”!.
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AquaMiracle Adjustable 50W Aquarium Heater Submersible Fish Tank Heater Super Short Aquarium Heater with LED Digital Display Thermostat, for Tanks 5-10 Gallons

  • SUPER MINI SIZE – This aquarium heater is SUPER SHORT in length – might be the shortest heater in the market. It is only a bit more than HALF of the length comparing with the traditional fish heaters! The innovative super short length perfectly solves the headache of the fish keepers on the traditional aquarium heaters! Takes up less space, easy to hide, but in full power! Temperature range is 64-93F. 4 sizes for 10/20/30/40 Gallon tanks..
  • ACCURATE TEMPERATURE – Thanks to the intelligent inverter technology, with the in-built chips the thermostat keeps the heater at a constant temperature at an accuracy of 1F, much more accurate than the traditional knob-controlled fish heaters. The thermostat shows 2 readings – the current temperature and the set temperature – very easy to operate..
  • DRY RUN / OVERHEATING PROTECTION – Full consideration of safety. With the multiple protections this fish tank heater will stop working when the water level is lower than the minimum water level (DRY RUN PROTECTION) or when the water temperature exceeds 97F (OVERHEATING PROTECTION). You are free from “cooking fish”!.
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hygger 300W Aquarium Heater with External Digital Temperature Controller Reef Saltwater Fish Tank Heater for 30-60 Gallon Tank

  • ♦️[Over Heat Protection]♦️ This fully submersible aquarium heater enables memory function and over heat protection. Auto shut off when over-heats, resets when it cools down..
  • ♦️[Made with Premium Quartz] ♦️ and double sealed by black protective guard this fish tank heater is resistant to explosion and corrosion, and protect fish and other livestocks from punching and scalding.
  • ♦️[Build-in External IC Temp Controller] ♦️easy to read blue LED digital number shows real time water temperature. Heat indicator lights on red when fish heater start to heat and turns in yellow once it reach set temperature. Temp accuracy is +/- 1°F..
  • ♦️[Easy to Set Temperature ] ♦️without getting hands wet. Temperature can be precisely adjusted from 61 to 90°F (16°C ~ 32°C). Just press set button to desired temperature, it blinks 3 seconds and begins to work.
  • ♦️[300 watt aquarium heater]♦️ voltage 110-120V, suitable for tank capactiy 30-60 gallon freshwater and saltwater aquariums.
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Hitop 50W/100W/300W Adjustable Aquarium Heater, Submersible Glass Water Heater for 5 – 70 Gallon Fish Tank (50W for 5-15 Gallon)

  • Explosion Proof: The aquarium heater is made of 2mm thickened quartz glass, 33% thicker than ordinary glass, explosion-proof, not easy to crack, which is very safe for people and aquatic animals..
  • Application: 50W water heater is suitable for 5 – 15 gallon tank, also suitable for both saltwater and freshwater, suitable for fish tanks and turtle tanks, must be completely submerged in water when using..
  • Accurate Temperature: The fish tank heater can be adjusted from 68°F to 93°F (20°C - 34°C), comes with a thermometer sticker, convenient to detect the water temperature without another pay..
  • Long Service Life: This fish heater adopts 8-slot multi-branched heating wire ceramic frame, shorter length, 7.8*1*1 in(20*2.5*2.5 cm), better heat dissipation, and can save more space for your fishes..
  • Complete Accessories and Warranty: This aquarium submersible heater comes with accessories you need, in addition to the thermometer, it comes with 3 suction cups, one for replacement, and offer 12 months warranty, giving you peace of mind after your purchase..
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Hitop 50W/100W/300W Adjustable Aquarium Heater, Submersible Glass Water Heater for 5 – 70 Gallon Fish Tank (100W for 10-30 Gallon)

  • Explosion Proof: The aquarium heater is made of 2mm thickened quartz glass, 33% thicker than ordinary glass, explosion-proof, not easy to crack, which is very safe for people and aquatic animals..
  • Application: 100W water heater is suitable for 10–30 gallon tank, also suitable for both saltwater and freshwater, suitable for fish tanks and turtle tanks, must be completely submerged in water when using..
  • Accurate Temperature: The fish tank heater can be adjusted from 68°F to 93°F (20°C - 34°C), comes with a thermometer sticker, convenient to detect the water temperature without another pay..
  • Long Service Life: This fish heater adopts 8-slot multi-branched heating wire ceramic frame, shorter length, 9.5*1*1 in(24*2.5*2.5 cm), better heat dissipation, and can save more space for your fishes..
  • Complete Accessories and Warranty: This aquarium submersible heater comes with accessories you need, in addition to the thermometer, it comes with 3 suction cups, one for replacement, and offer 12 months warranty, giving you peace of mind after your purchase..
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FEDOUR Adjustable Aquarium Heater with Protective Cover, 30W 50W 60W 120W Submersible Heater Thermostat for 5-40Gallon Fish and Turtle Tank (120W for 15-40Gallon)

  • 【More Power and Longer Life】This heater is for 15-40 gallon fish tank, comparing to 100W, this 120W aquarium heater is more powerful and heating the same water in shorten time. Less working time provide longer life..
  • 【Double Safety Protection】2mm thickened explosion-proof glass, 33% thicker than normal 1.5mm aquarium heaters, adding a specialized protective cover wrapping the heater tube, more durable and much safer for both human and aquatic creature..
  • 【Application】120W suitable for15-40gallon fish tank, suitable for both fresh and marine water, suitable for all kinds of fish, turtle and plants. Size: 9.4in(24cm) in Length..
  • 【Adjustable】High-precision temperature control system, adjustable temperature ranges from 20°C - 34°C (68°F to 93°F)..
  • 【Complete accessories】An additional stick-on thermometer as a bonus to detect water temp at any time, and 3pcs suction cups. Offering 12 months warranty for the whole heater..
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FEDOUR Adjustable Aquarium Heater with Protective Cover, 30W 50W 60W 120W Submersible Heater Thermostat for 5-40Gallon Fish and Turtle Tank (30W for 5-10Gallon)

  • 【More Power and Longer Life】This heater is for 5-10 gallon fish tank, comparing to 25W, this 30W aquarium heater is more powerful and heating the same water in shorten time. Less working time provide longer life..
  • 【Double Safety Protection】2mm thickened explosion-proof glass, 33% thicker than normal 1.5mm aquarium heaters, adding a specialized protective cover wrapping the heater tube, more durable and much safer for both human and aquatic creature..
  • 【Application】30W suitable for 5-10Gallon fish tank, suitable for both fresh and marine water, suitable for all kinds of fish, turtle and plants. Size: 7.5in(19cm) in Length..
  • 【Adjustable】High-precision temperature control system, adjustable temperature ranges from 68°F to 93°F(20°C - 34°C)..
  • 【Complete accessories】An additional stick-on thermometer as a bonus to detect water temp at any time, and 3pcs suction cups. Offering 12 months warranty for the whole heater..
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SWEETER HEATER Uniform Infrared TANK HEATER, 11x20.5, 45 Watt

  • Safe and energy efficient infrared chicken & pet heater.
  • No hot spots and develops a uniform heat pattern, using less power.
  • A vented tank heater that fits a 10 gallon aquarium tank.
  • Excellent for reptiles, brooders and terrariums. Side mount cord..
  • Sweeter Heater has been tested and proven by our customers since 1995.
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