Tetra Submersible Heater – HT30 Heater – 100 Watt – (Aquariums 10-30 Gallons)


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HT30 Heater – 100 Watt – (Aquariums 10-30 Gallons)

Tetra HT-Series Submersible Heaters are created especially for ease of use in your aquarium. An electronic thermostat automatically adjusts the heat output to keep the water at a constant 78 degrees F, so all you have to do is plug it in!

  • Easy to control with no adjustment required
  • Fully submersible and shock resistant
  • Maintains constant healthy water temperature
  • 2-year manufacturer warranty

An electronic thermostat automatically maintains water temperature at 78 degrees (+/-2) F/25 degrees (+/-1) C, and prevents overheating to extend the life of the heater. No adjustments are necessary. The indicator light lets you know when the water is being heated (red light) and when it is at the proper temperature (green light), while precision crystals improve heat distribution and transfer. The strong glass tube is heat and shock resistant.

HT10: 50 Watt (2-10 Gallons)
HT30: 100 Watt (10-30 Gallons)
HT55: 200 Watt (40-55 Gallons)