AQQA Aquarium Heater 500W 800W Submersible Fish Tank Heater with Double Explosion-Proof Quartz Tubes and External LED Display Controller for Marine Saltwater and Freshwater


【Double Over-Heat Protection】AQQA tank heater protects your fish from over-heat with 2 protections: ①automatic power-off when the heater is exposed to air, the display shows "E1" and flashes. ②automatic power-off when the water temperature exceeds 95℉, the display shows "HH" and flashes.【Automatic Heating & Memory Function】AQQA fish tank heater has built-in sensitive dual temperature probes, automatically making the water always at the set temperature (accuracy within ±1℉). Memory function can retain the previous set temperature when the heater is restarted.【Double Tube Explosion-proof Quartz Heater】AQQA aquarium heater is made of 2 explosion-proof quartz tubes and high-temperature resistant nickel-chromium alloy heating wires, and the high-quality plastic shell can transfer heat to the outside while effectively protecting the fish and you from being scalded.【Convenient LED Display Temp Controller】AQQA submersible fish tank heater designed with an external LED display can clearly show the real-time water temperature and the set temperature at the same time. And you can easily adjust the temperature and change the unit without wetting your hands (Temp range: 59-93℉).【For 66-220 Gal】AQQA submersible aquarium heater is suitable for 66–220-gallon aquariums, whether saltwater or freshwater. You will get 12 month's warranty and 7*24H lifetime customer service



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