hygger aquarium 060 quartz heater using tips:
1. About setting the temperature – blink five times to confirm
2. Hold for five seconds, it can be converted from Celsius to Fahrenheit.
3. When the red light is on, the heater is heating
4. When the blue light is on, it stops heating
Note: When the heater is out of the water, it will auto power off; when the water temperature reached 35 ℃ or 95 ℉, the heater will black out and show a ‘HH’ warning code.