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15 Watt Aquarium Heaters &

25 Watt Aquarium Heaters

The heaters in this category are 15W & 25W and are appropriate for 5 gallon to 8 gallon aquariums in normal circumstances if only one heater is used. Please take a look at our Aquarium Heater Overview Article for a more information.
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Aqueon Flat Heater 15 Watts Aqueon Flat Heater, 15 Watts

Product Code: RAQ01231
The Aqueon Flat Heater, 15 Watts, is shatterproof and fully submersible.

Our Price: $13.90
In Stock
Lifegard Aquatics 25 Watt Pre-Set Quartz Glass Aquarium Heater Lifegard Aquatics 25 Watt Pre-Set Quartz Glass Aquarium Heater

Product Code: RRL31558
The Lifegard Aquatics 25 Watt Pre-Set Quartz Glass Aquarium Heater is a submersible heater safe for both freshwater and saltwater tanks up to 10 gallons.

Our Price: $15.09
In Stock
AquaTop Pisces 15W Nano Submersible Heater AquaTop Pisces 15W Nano Submersible Heater

Product Code: RAT01895
The AquaTop Pisces 15W Nano Submersible Heater's compact design allows for versatile placement in small aquariums such as the AquaTop Pisces All-in-One Aquariums.

Each unit has a built-in electronic thermostat preset to 78F for precise temperature-controlled accuracy of 1.8F. When the target temperature of the heater has been achieved, the unit will shut down and stop heating the water.

Our Price: $18.99
In Stock
AquaTop Pisces 25W Nano Submersible Heater AquaTop Pisces 25W Nano Submersible Heater

Product Code: RAT01896
The AquaTop Pisces Nano Submersible Heater's compact design allows for versatile placement in small aquariums such as the AquaTop Pisces All-in-One Aquariums.

Each unit has a built-in electronic thermostat preset to 78F for precise temperature-controlled accuracy of 1.8F. When the target temperature of the heater has been achieved, the unit will shut down and stop heating the water.

Our Price: $18.99
(Out of Stock)
Lifegard Aquatics 25 Watt Adjustable Quartz Glass Aquarium Heater Lifegard Aquatics 25 Watt Adjustable Quartz Glass Aquarium Heater

Product Code: RRL31550
The Lifegard Aquatics 25 Watt Adjustable Quartz Glass Aquarium Heater is a submersible heater safe for both freshwater and saltwater tanks up to 10 gallons.

Our Price: $23.75
In Stock
AquaEl 25W Platinum Aquarium Heater AquaEl 25W Platinum Aquarium Heater

Product Code: RAE38004
The AquaEl 25W Platinum Aquarium Heater is an innovative glass heater. It's equipped with a high-precision electronic thermostat. Temperatures can be set in the range between 68 and 94F and are maintained with an accuracy of 0.8 C (+/-0.4 C).

Our Price: $26.85
In Stock
Oase HeatUp 25 Aquarium Heater Oase HeatUp 25 Aquarium Heater

Product Code: RBO33798
The Oase HeatUp 25 Watt Aquarium Heater features uniform temperature level thanks to the patented bi-metal technology. Recommended for tanks up to 10 gallons. 8" long.

Our Price: $27.94
In Stock
AquaEl 25W Ultra Aquarium Heater AquaEl 25W Ultra Aquarium Heater

Product Code: RAE00045
The AquaEl 25W Ultra Aquarium Heater is appropriate for aquariums from 3 to 7 gallons. They are the only heaters on the market with solid state thermostats.

Our Price (price includes free shipping!) $56.06
In Stock