Aquarium heater 300W–1000W for 20–300 gal
Submersible aquarium heater with automatic off when water temp exceeds 94F and submersion protection. Easy installation with even heat distribution and a durable flame-retardant shell; customers note solid temperature control and good value
Highlights
- automatic overheat protection
- submersion safety and alarm
- even heat distribution with quartz tubes
Pros
- automatic temperature cut-off
- even heat distribution
- easy installation and operation
- durable, flame-retardant shell
- good value for money
Cons
- note of temperature swing around 2 degrees
- warning display requires submersion for continuous heating
Best For
Features
- Explosion-proof quartz glass tubes with high-temp nickel-chrome wires for even heat distribution
- V0-rated flame retardant shell, corrosion/heat resistant, prevents fish contact
- Automatic cut-off if water exceeds 94F or heater is exposed above water; alarms when not submerged
- External LED digital controller displays current temp, set temperature, and alerts
- Indicator lights: red when heating, green when target temperature reached
