Product Review
Hygger high-power digital quartz aquarium heater is specially designed for medium and large fish tank use,
fast heating up for 30-120gallon aquariums.
We now have 300W and 500W fish tank heaters available.
It comes with 1 quartz heater, 1 IC temp controller and 1 thermometer, the cables are all long enough for use indoors.
Other features of submersible heater:
1. Fast heating and reliable, fully automatic control.
2. Black plastic heater guard with suction cups
3. For freshwater and saltwater use
4. The controller with memory function in case of power-down.
How to use the temp setting?
Press the button on the controller over and over, the set temp digits will go circularly from 61 to 90, when
you set it to the digit you want, stop and wait the led flashing for 3 times, then the setting is done and
the led will go on displaying the water temp.
Heating indicator light
There are 2 indicator lights below the display screen, the left light will on red when the heater is heating,
the right light will on green when it stops heating.
Over temperature protection.
The fish tank heater will auto shut off if water temp is over 97℉, and will automatically turn normal
work when water temp is less than 95℉.
Use directions
1. Keep the heater and thermometer fully submerged.
2. Don't bury the heater under gravels or sands.
3. Keep the temp controller away from water.
4. Keep water circulation as far as possible.
5. Unplug the heater and wait it cool down before doing water changes.
Specification:
Voltage:110-120V/60HZ
Heater tube material: quartz glass
Plug: three-pin US plug
Power cord: heater cord 6ft,the controller cord 5ft, the thermometer cord 4.6ft
Temp control range: 61-90℉
Temp accuracy: ±1℉
Size: 300W (30-60 gallon), 500W (60-120 gallon)











