Top 8 Best 25 Watt Aquarium Heater

of July 2024
1
Best ChoiceBest Choice
Orlushy 25W Small Submersible Aquarium Heater, Constant Temperature Betta Fish Tank Heater of 78for 1-6 Gallons Freshwater & Saltwater Tanks
Orlushy
Orlushy

10
Exceptional
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2
Best ValueBest Value
DaToo Mini Aquarium Heater 25W Small Fish Tank Heater 25 Watt with Free Thermometer Sticker
DaToo
DaToo

9.9
Exceptional
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3
Fluval P25 Submersible Aquarium Heater for Up to 6 Gallons, 25 Watts
Fluval
Fluval

9.8
Exceptional
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4
YukiHalu Small Submersible Aquarium Heater, Adjustable Mini Fish Tank Heater 25W 50W 100W 200W 300W with External Temperature Controller, LED Display, Used for 5/10/20/40/60 Gallons (25 Watts)
YukiHalu
YukiHalu

9.7
Exceptional
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5
EHEIM Jager Aquarium Thermostat Heater 25W
Eheim
Eheim

9.6
Exceptional
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6
DaToo Aquarium Heater Adjustable 25W Submersible Fish Tank Heater with Electronic Chip Thermostat Suitable for Marine Saltwater and Freshwater
DaToo
DaToo

9.5
Excellent
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7
PULACO 25W Small Aquarium Betta Heater with Free Thermometer Strip, Under 6 Gallon Fish Tanks (Preset Temperature 78)
PULACO
PULACO

9.4
Excellent
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8
NICREW Mini Aquarium Betta Heater, 15/25/35/50/75W Fish Tank Heater, 25 Watts, 5 Gallons
NICREW
NICREW

9.3
Excellent
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9
HITOP 25W 50W Adjustable Aquarium Heater, Submersible Fish Tank Heater Thermostat with Suction Cup (25W)
HITOP
HITOP

9.2
Excellent
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10
Fish Tank Aquarium Heater - Adjustable Temperature Submersible Thermostat Heater,25W/50W/100W/150W/200W/300W
Bnzaq
Bnzaq

9.1
Excellent
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About 25 Watt Aquarium Heater

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Orlushy 25W Small Submersible Aquarium Heater, Constant Temperature Betta Fish Tank Heater of 78for 1-6 Gallons Freshwater & Saltwater Tanks

25W Aquarium HeaterOrlushy 25w fish tank heater can be applicable to 1-6 gallons tank. It is 4.7 inches in length, ideal for use in low water level and wont take up mech place, easy to hide in small tank. Please fully submerged the heater vertically into water in fish tank, and horizontally into water in turtle tanks.. Easy to Operate This aquarium heater is automatic constant temperature heating when the power is switched on. The preset temperature is 78. Accuracy is 3. Stair shape heating that red light is on and heater starts to intermittently heat the water to the preset temp, saving energy and electricity. When green light is on, heater stops working and maintains constantly 78.. Durable Material The durable material of the heater ensures safe operation. The outer shell covering the whole body of the heater is made of heat-resistant ABS material that it wont deform and melt under high temperature. The heating rod is made of nickel-chromium heating wire to faster heating rate, and non-corrosive quartz glass.. Cautions 1.Please ensure the heater is 100 submerged into the water before plug in the power. 2. Please unplug the power and cool down the heater for 10-20 minutes before taking it out to clean the fish tanks or change the water.. Guaranteed Customer Service Orlushy fish tank heater is made with great safety and durability for use. We guarantee 1 -Year warranty. If there is any issue with our product, please contact us, and we would gladly offer you after-sales service..

DaToo Mini Aquarium Heater 25W Small Fish Tank Heater 25 Watt with Free Thermometer Sticker

Fluval P25 Submersible Aquarium Heater for Up to 6 Gallons, 25 Watts

Strong shatterproof polymer construction protect tank and inhabitants from damage. Preset temperate requires no adjustment. Waterproof, fully submersible design allows easy positioning inside aquarium. LED running lamp illuminates to indicate when product is in use. For use in freshwater and saltwater aquariums.

YukiHalu Small Submersible Aquarium Heater, Adjustable Mini Fish Tank Heater 25W 50W 100W 200W 300W with External Temperature Controller, LED Display, Used for 5/10/20/40/60 Gallons (25 Watts)

Super Mini Size, 25Watt for 1-5 Gallons YukiHalu 25W aquarium heater is designed for 1-5 gallons mini fish tank. Compact design, take less space in the fish tank, easy to hide in the tank. Temperature can be accurately adjusted from 64 to 93F. This heater suitable for both saltwater and freshwater. The rated voltage is 100-130V.. Automatic Constant Temperature with 1AccuracyThanks to advanced Intelligent Frequency Conversion Technology, the water temperature can be kept constant with an accuracy of 1. The heater's working frequency will be changed according to temperature variation, and the heating is automatically stopped when the set temperature is reached. Compare to traditional heater, this new technology will cut down 49 electricity bill for you.. Overheating Protection, Out of Water ProtectionThe power will be cut off and stop heating automatically if the heater out of water or overheating. Protect your fish. Never cook your fish. 30days full refund, 12-months warranty.. External Temperature Controller, Never Wet Your HandsUse an external controller to set the temperature instead of immersing your hands in water to rotate the dial. Never wet your hands or contaminating your tank. Strong suction cups, easy to install.. Built-in Temperature Sensor, Power-off Memory FunctionDual built-in temperature sensor, the water temperature will be displayed on the external temperature controller in real time. No need to buy other aquarium temperature meter. The heater will remember the temperature setting, no need to reset the temperature after power off..

EHEIM Jager Aquarium Thermostat Heater 25W

Fully submersible. Thermo safey control protects against running dry. Will automatically turn off when water level dips too low. TruTemp dial recalibrates the heater for precise temperature regulation. Made of shock resistant and shatter proof glass for fresh or marine water. OnOff indicator light for at-a-glance monitoring.

DaToo Aquarium Heater Adjustable 25W Submersible Fish Tank Heater with Electronic Chip Thermostat Suitable for Marine Saltwater and Freshwater

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

Betta HeaterThis 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 InstallationVertical 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 78F, and red light off, then the green light will turn on, heater stop working and keeping constant temperature 78F. Accuracy3F. 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 GUARANTEEDOur Aquarium Heater is built with durability in mind and safety for every design. In the remote possibility that youre 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..

NICREW Mini Aquarium Betta Heater, 15/25/35/50/75W Fish Tank Heater, 25 Watts, 5 Gallons

Preset temperature has been set to 77F, appropriate for most tropical fish, shrimp and aquatic plants requiring stable conditions. With accuracy of 2F and overheat protection, protect your tank from extreme temperature. LED indicator light will turn to red when the heater is actively heating. With compact design and built-in suction cups, the heater can be easily placed vertically or horizontally in aquariums completely. This 25-watt submersible heater works for small aquariums, up to 5 gallon, to provide the ideal water temperature.

HITOP 25W 50W Adjustable Aquarium Heater, Submersible Fish Tank Heater Thermostat with Suction Cup (25W)

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

PREMIUM SHATTERPROOF GLASSMade 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 FISHAutomatically regulate and maintain water temperatureimitate the original ecological environment for your tropical fish.Provided fish with warm water environment.Perfect to apply to fresh and salt water.. ADJUSTABLE TEMPERATURETemperature range 68F93F.25W heatersuitable for fish tank within 7 gallons,Length7.8.Easy to adjust temperature by the aquarium heater that suit more species of fish.. AUTOMATIC CONSTANT TEMPERATUREWhen 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.. ATTENTIONPlease place the heater near place filter or pump of water flowing to keep more even water temperature.Unplug the heater 30 minutes early when changing the water for the fish tank..