A quartz submersible heater with an external digital controller, built for large freshwater and saltwater aquariums from 55 to 258 gallons and packed with safety alerts.
Choose the wattage for your tank
Option
Tank size
500W
55–130 gallons
800W
80–230 gallons
1000W
135–258 gallons
What stands out
Quartz heating rod: warms quickly and spreads heat evenly, protected by a heat-resistant ABS shell.
Digital controller: set anywhere from 59°F to 94°F (15°C to 34°C) and read the temperature on the LED display.
Automatic hold: the heater kicks back on when the water drops 1°F below your setting.
Safety lock: prevents the setting from being changed by accident.
Overheat shut-off: power cuts out if the temperature goes above 95°F.
Dry-run and error alerts: the display warns you with "EE" or "Er" codes, including when the heater is not fully underwater.
Safe use
Always fully submerge the AQQA heater before plugging it in, place it where there is good water circulation, and let it cool before lifting it out of the tank. Unplug during water changes and follow the included guidelines.
