Aquarium Heaters Tetra

Tetra HT line of heaters are easy-to-use and work in aquariums ranging from 2 to 55 gallons. The heaters have electronic thermostats that automatically adjust heat output to keep water at a constant 78 degrees F. All HT heaters have indicator lights to let you know when the heater is on, heating the aquarium. All Tetra HT heaters have red/green indicator lights to let you know when the heater is heating(red) or on standby(green). The low voltage thermostat maintains water at 78 degree F without any adjustment required. Be sure purchase the correct heater for your tank size. Buying a heater too small for your tank can cause under heating. It is critical to ensure your tank is equipped with a …

Provide your underwater buddies with the warmth they with the Tetra HT40 Submersible Aquarium Heater & Electronic Thermostat. This low voltage thermostat maintains water at 78 degree F without any adjustments and features red/green indicator lights to let you know when the heater is heating or on standby. The heater is also fully submersible and can be installed vertically or horizontally. For use with 40-55-gallon aquariums, Tetra HT40 Submersible Aquarium Heater & Electronic Thermostat makes sure your tank is always at a comfortable temperature.

Provide your underwater buddies with the warmth they with the Tetra HT40 Submersible Aquarium Heater & Electronic Thermostat. This low voltage thermostat maintains water at 78 degree F without any adjustments and features red/green indicator lights to let you know when the heater is heating or on standby. The heater is also fully submersible and can be installed vertically or horizontally. For use with 30-40-gallon aquariums, Tetra HT40 Submersible Aquarium Heater & Electronic Thermostat makes sure your tank is always at a comfortable temperature.