Hygger Submersible Aquarium Heater 400W
Submersible heater with digital external temperature controller and safety features. Stable temperature control and audible alert for water issues. Customers note solid temperature regulation and long cord, but durability concerns exist
Highlights
- external controller with large LCD
- automatic safety alarms and auto shutoff
- memory function after power recovery
Pros
- external digital temperature controller
- wide adjustable range (59F to 93F) with real-time display
- automatic safety alarms for low/high temperature
- memory function preserves preset temp after power loss
- dual-probe overheating protection
Cons
- mixed durability reports from customers
- some users report heater stops working after months
Best For
Features
- External temperature controller with large LCD displaying current water temp and target setpoint
- Over- and low-temperature protection with dual sensing probes and alarm codes HH/LL
- Automatic shutoff on low water level with audible alarm and memory of set temperature after power return
- Intelligent heating system using dual quartz glass tubes and nickel-chromium wire for stable heat
- Dimensions 11.6" x 2.7" x 1.2"; 400W, suitable for 50–75 gallon tanks; 6.2 ft + 3.9 ft cord
