HT Submersible Aquarium Heaters
Free Gift

Tetra

Tetra's HT line of heaters are easy-to-use and work in aquariums ranging from 2 to 55 gallons. The HT10 and HT30 have electronic thermostats that automatically adjust heat output to keep water at a constant 78 degrees F. The HT55 is adjustable between 72 degrees F and 85 degrees F. All HT heaters have indicator lights to let you know when the heater is on, heating the aquarium.

Sizes:
  • HT 10 - 2-10 gallon aquariums
  • HT 30 - 10-30 gallon aquariums
  • HT 40 - 30-40 gallon aquariums
  • HT 55 - 40-55 gallon aquariums