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300, 400, 500 & 1000 Watt Aquarium Heaters (80 to 325 Gallon Tanks)
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ViaAqua Quartz 300 Watt Aquarium Heater VA-300Q ViaAqua Quartz 300 Watt Aquarium Heater (VA-300Q)

Product Code: RCA73331
The ViaAqua Quartz 300 Watt Aquarium Heater is manufactured with high quality, break resistant quartz. Recommended for tanks up to 80 gallons. 14.5" long.

Our Price: $15.19
Sale Price: $13.59
You save $1.60!
In Stock
Marineland Precision 300 Watt Submersible Heater Marineland Precision 300 Watt Submersible Heater

Product Code: RML90654
The Marineland Precision 300 Watt Submersible Heater is perfect for freshwater and marine aquariums up to 80 gallons. Features a thermal safety switch to prevent heater failure during operation.

Our Price: $22.69
In Stock
AquaTop 300W Model GH-300 Submersible Heater AquaTop 300W Model GH-300 Submersible Heater

Product Code: RAT01943
The AquaTop 300W Model GH-300 Submersible Heater will maintain a constant and stable temperature. This fully submersible glass heater offers simple and easy installation with the use of the included suction cups and can handle aquariums up to 75 gallons.

Our Price: $23.99
In Stock
Lifegard Aquatics 300 Watt Adjustable Quartz Glass Aquarium Heater Lifegard Aquatics 300 Watt Adjustable Quartz Glass Aquarium Heater

Product Code: RRL31557
The Lifegard Aquatics 300 Watt Adjustable Quartz Glass Aquarium Heater is a submersible heater safe for both freshwater and saltwater tanks 110 gallons to 150 gallons.

Our Price: $24.92
In Stock
Hydor Theo 300 Watt Aquarium Heater Hydor Theo 300 Watt Aquarium Heater

Product Code: RHY00037
Hydor Theo 300 Watt Aquarium Heater is a fully submersible, shatter-proof glass aquarium heater.

Our Price: $27.79
Sale Price: $25.19
You save $2.60!
In Stock
Hydor 400 Watt Theo Aquarium Heater Hydor 400 Watt Theo Aquarium Heater

Product Code: RHY00320
Hydor Theo 400 Watt Aquarium Heater is a fully submersible, shatter-proof glass aquarium heater.

Our Price: $29.39
Sale Price: $26.69
You save $2.70!
In Stock
Eheim Aquarium Heater, 300 Watt Eheim Aquarium Heater, 300 Watt

Product Code: RHM36159
The 300 Watt Eheim Aquarium Heater is for freshwater or saltwater tanks from 159-264 gallons.

Our Price: $30.75
In Stock
Marineland Precision 400 Watt Submersible Heater Marineland Precision 400 Watt Submersible Heater

Product Code: RML90655
The Marineland Precision 400 Watt Submersible Heater is perfect for freshwater and marine aquariums up to 125 gallons. Features a thermal safety switch to prevent heater failure during operation.

Our Price: $37.99
In Stock
ViaAqua NEW LED Titanium Heater 300 Watts ViaAqua NEW LED Titanium Heater, 300 Watts

Product Code: RCA73337
The ViaAqua LED Titanium Heater, 300 Watts, is the latest version of ViaAqua Titanium heaters. This version features an LCD temperature readout. Recommended for tanks up to 80 gallons.

Our Price: $45.39
(Out of Stock)
AquaTop D2HT 300 Watt Digital Aquarium Heater AquaTop D2HT 300 Watt Digital Aquarium Heater

Product Code: RAT01850
The AquaTop D2HT 300 Watt Digital Aquarium Heater comes equipped with a highly visible dual temperature display, an easy to use temperature control button, and a separately attached temperature sensor. 14.5 inches long.

Our Price: $54.99
(Out of Stock)
Hydor 300W In-Line Heaters, 5/8" Connection Hydor 300W In-Line Heater, 5/8" Connection

Product Code: RHY00019
The Hydor 300W In-Line Heater, 5/8" Connection, is designed for vertical use in most aquarium applications involving water hose of the specified diameter. The ETH must be used in a vertical manner for correct operation. Must be used in line. Not submersible.

Our Price: $58.22
In Stock
AquaTop D2HT 450 Watt Digital Aquarium Heater AquaTop D2HT 450 Watt Digital Aquarium Heater

Product Code: RAT02055
The AquaTop D2HT 450 Watt Digital Aquarium Heater comes equipped with a highly visible dual temperature display, an easy to use temperature control button, and a separately attached temperature sensor. 15 inches long.

Our Price: $59.99
In Stock