Aqueon Submersible Aquarium Heaters are made from thermal shatter-resistant quartz glass and designed to absorb impacts, making them extremely durable. An electronic thermostat stops heating once set temperature is reached. A power indicator light turns on when the unit is heating and is equipped with a 6-foot power cord. UL approved, the heater is also programmed to turn itself off when not properly submersed to avoid overheating and damage. This heater can be positioned at a vertical or horizontal angle and used in freshwater and saltwater aquariums.Â
Fully submersible, auto shut-off when overheats, resets when cools down
Electronic thermostat stops heating once set temperature is reached
Precise temperature setting adjustable to 1° F (68-88° F)
Shatter-resistant
LED light turns on when aquarium water is being heated, automatic safety shut off and overheat protection
50 Watt: For freshwater and saltwater aquariums up to 20 gallons
100 Watt: For fresh or saltwater aquariums up to 40 gallons
150 Watt: For fresh or saltwater aquariums up to 55 gallons
200 Watt: For fresh or saltwater aquariums up to 75 gallons
300 Watt: For fresh or saltwater aquariums up to 100 gallons
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