Reviews Aquarium Heater For 4gallon Tank

PULACO 25W Small Aquarium Betta Heater with Free Thermometer Strip, Under 6 Gallon Fish Tanks (Preset Temperature 78℉)

★【Betta Heater】This Fish Tank Heater should be 100% submerged into water, Ideal for small glass or acrylic desktop aquariums up 1 to 6 Gallons, not suitable for less than 1 gallon tank..
★【Quick and Easy Installation】:Vertical or horizontal placement using, Aquarium heater automatic temperature control 78℉, no need to adjust temperature, easy to operate, fishes happy..
★【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, then the green light will turn on, heater stop working and keeping constant temperature 78°F. Accuracy：±3°F.
★【Note】: Do not operate or leave product plugged in when your water tank is out of water, heater should be fully submerged into water. Please install a water pump or filter to help water circulating while heating..
★【SATISFACTION GUARANTEED】Our Aquarium Heater is built with durability in mind and safety for every design. In the remote possibility that you’re not satisfied with our product, just contact us, and we will gladly give you a new Aquarium Heater replacement. 12 Month Warranty and 24 Hour Professional After-sales Service..

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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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GMsound Aquarium Heater Submersible Fish Tank Water Heater Thermostat 300W for 55-100Gal

Fully Submersible. Power: 300W. Suggested water volume: 55-100 gal..
Adjustable Temperature: The temperature of the fish tank heater can be adjusted automatically. Temperature setting range: 65° F - 93°....
High Quality: Aquarium heater made of high quality quartz glass, double seal material , advanced design, ensures safe operation.Fully suiting for....
Set desired aquarium temperature & on/off indicator light confirms operation. *On/off indicator light allows simple, visual confirmation of heater....
Convenient and Safe: Our aquarium heater thermostat has two suction cups for attachment to the fish tank. The polarized plug prevents electrical....

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Fish Tank Aquarium Heater - Adjustable Temperature Submersible Thermostat Heater,25W/50W/100W/150W/200W/300W

[PREMIUM SHATTERPROOF GLASS]Made of shatterproof glass and BPA-free plastic.Bnzaq aquarium heaters are fully submersible and safe for fish without any toxic substance producing.3 FREE artificial aquarium plants as ornament in your tank..
[NO LONGER CHILL YOUR FISH]Automatically regulate and maintain water temperature，imitate the original ecological environment for your tropical fish.Provided fish with warm water environment.Perfect to apply to fresh and salt water..
[ADJUSTABLE TEMPERATURE]Temperature range: 68°F~93°F.25W heater:suitable for fish tank within 7 gallons,Length:7.8".Easy to adjust temperature by the aquarium heater that suit more species of fish..
[AUTOMATIC CONSTANT TEMPERATURE]When water temperature reaches set value,the indicator light will be OFF and the heater will automatically stop heating.The heater will automatically start heating and indicator light will be ON if water temperature is low.You could place heater horizontally or vertically..
[ATTENTION]Please place the heater near place (filter or pump) of water flowing to keep more even water temperat....

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OIIKI 10 PCS Aquarium Heater Suction Cups with Clips, Air Hose Tube Holders Clamps for Fish Tank (Black)

Material: The Aquarium Heater Holders are made of plastic and rubber, which is perfect for fish tank, aquarium or any other glass surface..
Size: The diameter of suction cup is about 33mm/1.30inch, with 24mm/0.94inch clip, which can hold 1" diameter of aquarium heater, PVC tubing or rain bar..
Application: The Aquarium Heater Holders can fit most standard aquarium heaters, not for airline / air tube..
Features: Each suction Cup comes with one clip, which will help to keep your aquarium heater firmly in place with these suction clips..
Package included: 10 PCS Aquarium Heater Suction Cups with Clips in total..

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DaToo Aquarium Heater Fish Tank Heater Submersible 25 Watt, 1 Yr Warranty

DaToo Aquarium Heater - How to make our beloved fish live in a comfortable environment? This is a matter of concern. No suitable temperature, our fish will not survive healthy. The DaToo Submersible Aquarium Heater is a system that create a warm and comfortable living environment for your lovely fish. Select DaToo Aquarium Heater, Let us care about your fish starting from the temperature..
Adjustable Temperature - Only need turn the knob on the top of the DaToo aquarium heater, You can easily get the temperature you want（68 to 93°F) and you can read the temperature you set by the dial of the aquarium heater. Thermostat system to ensure that your beloved fish can be happy and comfortable life.
Sturdy And Durable - Still worried about the heater will be broken?Now let's say goodbye to this worry. The shell of the DaToo Aquarium Heater is made with Shatterproof, Corrosion resistant, Wear-resistant microcrystalline glass(glass-ceramics), can be used in fresh water and salt water.The heating part is made of nickel-chromium alloy, ensure superior heat transfer and enhanced service life. Select DaToo Aquarium Heater, Let it serve your fish forever...
BPA Free And Energy Saving - Every plastic component of the DaToo Aquarium Heater is made with durable,....

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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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GMsound Aquarium Heater Submersible Fish Tank Water Heater Thermostat (100W for 15-45Gal)

Fully Submersible. Power: 100W. Suggested water volume: 15-45 gal..
Adjustable Temperature: The temperature of the fish tank heater can be adjusted automatically. Temperature setting range: 65° F - 93° F(20°C~34°C), and the display is easy to read..
High Quality: Aquarium heater made of high quality quartz glass, double seal material , advanced design, ensures safe operation.Fully suiting for fresh or saltwater aquariums, provide a constant warm environment for your tropical fish to stay healthy..
Set desired aquarium temperature & on/off indicator light confirms operation. *On/off indicator light allows simple, visual confirmation of heater operation..
Convenient and Safe: Our aquarium heater thermostat has two suction cups for attachment to the fish tank. The polarized plug prevents electrical shock..

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GMsound Aquarium Heater Submersible Fish Tank Water Heater Thermostat (200W for 25-75Gal)

Fully Submersible. Power: 200W. Suggested water volume: 20-75 gal..
Adjustable Temperature: The temperature of the fish tank heater can be adjusted automatically. Temperature setting range: 65° F - 93° F(20°C~34°C), and the display is easy to read..
High Quality: Aquarium heater made of high quality quartz glass, double seal material , advanced design, ensures safe operation.Fully suiting for fresh or saltwater aquariums, provide a constant warm environment for your tropical fish to stay healthy..
Set desired aquarium temperature & on/off indicator light confirms operation. *On/off indicator light allows simple, visual confirmation of heater operation..
Convenient and Safe: Our aquarium heater thermostat has two suction cups for attachment to the fish tank. The polarized plug prevents electrical shock..

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