Top Aquarium Heater For 3 Gallon Tank

hygger Adjustable 5W Aquarium Air Pump with 2 Ports for 20~180 Gallon Fish Tank 160GPH Aquatic Aerator Oxygen Pump (5W up to 180 Gallon)

  • 【Rapid Heating and Two Temperature Control System】300W aquarium heater is sutable for 40-75 gallon fish tank and made of the most stable nickel-chromium heating wire, which can quickly and stably conduct heat to the surroundings. It has a built-in temperature control system of Fahrenheit and Celsius(Temp range: 63-94℉/17-34℃). You can press and hold the button next to the controller for 2-3 seconds to switch..
  • 【Intelligent Water Sensor and Over Temperature Protection】This fish tank heater has a unique intelligent temperature and water sensor system, the heater will automatically stop heating when the heater is completely out of water or it rapidly heats beyond the set temperature, the indicator light will turn green in both cases to ensure the maximum safety of you and your aquatic organisms just like protecting our own safety..
  • 【Explosion-proof Quartz Glass Aquarium Heater】The submersible aquarium heater is made of explosion-proof quartz glass material and a high-temperature resistant nickel-chromium heating wire with silicon carbide heat conduction, faster water heating and longer lasting. And the stronger black shell is a high temperature resistan....
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ZHGSERVU 500W Aquarium Heater Auto Thermostat Submersible 500 Watt Fish Tank Heater with Durable Quartz Glass and Protective Sleeve 3 Suckers for Saltwater or Freshwater 50-90 Gallon

  • Water shortage protection - Built with overheat and water shortage protection. The heater power will cut off when washing tank, changing water and maintaining aquarium, otherwise heating cannot be processed. CF certification.
  • Installation - 500W submersible heater is suitable for 50 to 90 gallons aquariums.
  • Vertical or horizontal installation and ensure the device is fully submerged underwater. With these 3 suction cups, the heater will stick tightly to the surface of tank.
  • Temperature Scale - Compact underwater analog tank heater can be adjusted between 68°F~94°F (20°C~34.5°C). 500 watt fish tank heater holds your 50-90 gallon tank at a constant temperature and recovers quickly after a water change. Note: Due to some unpredictable external factors, it's normal that the temperature difference is ±5°F.
  • Provides Accurate Thermal Control - Set and adjust the desired temperature with the use of the Temperature Controller on the top. This allows accurate thermal control via the easy set thermostat for precise.
  • Application - This underwater aquarium heater is great for both Fresh W....
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hygger 500W Aquarium Heater for Fresh-Water Salt-Water, with External Digital Display Thermostat Controller and Thermometer, Auto Quartz Submersible Heater for Fish Tank 60-120 Gallon

  • 【Quickly Heat Up】Voltage 110-120V/60HZ, power 500W, US three-pin plug, heater rod length 10.5 inch. Fast heating up aquarium heater, it takes about 3 minutes to heat 3.5 gallon water up 3℉.
  • 【Auto on and off 】Reliable submersible aquarium heater. It will stop heating when the water temp reaches to the set temp, please note that the water temp may go up 1℉ more because of the waste heat. When the water temp is cool down to 1℉ less than the set temp, the tank heater will restart heating.
  • 【Fully Submerged】The heater tube and the separate sensitive thermometer must be completely submerged under water all the time. Please unplug it and wait it to cool down before you removing the heater or doing water change.
  • 【Led Display Controller】Only show Fahrenheit degrees. To set the temp, just press the button over and over until the screen displaying the temp you desired, then stop and wait the digit flashing for 3 times, the setting is done and the led shows the current water temp again.
  • 【For Long Time Use】Very durable and explosion-proof aquarium heater, can be used for saltwater and freshwater aquariums, service life can be 3 years or more. With low profile black plastic guard, easy to hide in the tank. Contact the seller at first time if h....
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HiTauing Aquarium Heater, 50W/100W/200W/300W/500W Submersible Fish Tank Heater with Over-Temperature Protection and Automatic Power-Off When Leaving Water for Saltwater and Freshwater

  • 【Rapid Heating and Two Temperature Control System】300W aquarium heater is sutable for 40-75 gallon fish tank and made of the most stable nickel-chromium heating wire, which can quickly and stably conduct heat to the surroundings. It has a built-in temperature control system of Fahrenheit and Celsius(Temp range: 63-94℉/17-34℃). You can press and hold the button next to the controller for 2-3 seconds to switch..
  • 【Intelligent Water Sensor and Over Temperature Protection】This fish tank heater has a unique intelligent temperature and water sensor system, the heater will automatically stop heating when the heater is completely out of water or it rapidly heats beyond the set temperature, the indicator light will turn green in both cases to ensure the maximum safety of you and your aquatic organisms just like protecting our own safety..
  • 【Explosion-proof Quartz Glass Aquarium Heater】The submersible aquarium heater is made of explosion-proof quartz glass material and a high-temperature resistant nickel-chromium heating wire with silicon carbide heat conduction, faster water heating and longer lasting. And the stronger black shell is a high temperature resistan....
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HITOP Bundled Goods of 4W Powerful Aquarium Pump and 600W Digital Aquarium Heater

  • Bundled Goods of 　4W powerful aquarium air pump and 600W high-power aquarium heater are very suitable for 60-150 gallon fish tanks. Realize fish tank oxygenation and fish tank heating, and provide a comfortable living environment for your pets..
  • This 4W　Aquarium air pump kit including: 4W aquarium air pump with 4.8ft cable wire Long air tube *2(4.9 ft *2) air stone*2 check valve*2 air tube fixing cup*2 T-connector*1.
  • Ｑuiet aquarium pump：Most aquarium air pumps have only a single-layer casing. This aquarium aerator pump adopts the design of internal air pump + external black shark casing, which greatly reduces the noise, and the max noise does not exceed 35dB.
  • This HITOP 600W aquarium heater adopts a digital temperature control system, so it can display the set temperature and real-time power at the same time, which is clear to read. There is also a heating indicator to indicate the working status..
  • We provide 12 months warranty for our products．.
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Koller Products Replacement Filter Cartridges - Small

  • PREMIUM REPLACEMENT FILTER CARTRIDGE: Keeps aquarium water crystal clear and your fish healthy..
  • PRE-ASSEMBLED - READY TO USE: No assembly required, no mess..
  • DENSE POLY-FIBER OUTER SHELL: Dual-sided poly-fiber floss removes fish waste and other debris..
  • REMOVES IMPURITIES: Activated carbon eliminates organic pollutants that can degrade water quality and cloud water..
  • HANDS STAY DRY: Easy to Install - Easy to Replace - No Need to Get Hands Wet..
  • OPTIMUM FILTRATION: For optimal filter performance replace cartridge monthly or sooner if heavily soiled and reduced filer flow..
  • KOLLER PRODUCTS & HAWKEYE AQUARIUMS: Replacement cartridge 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: 2.25 L x .5 W x 5 H Inches. Product may ship in white SIOC packaging depending on demogra....
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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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