Hygger Newly Upgraded Quartz Tubes Fish Tank Heater
Dry Run Shut-off ProtectionWhen the heating rod is exposed to air, the heater will stop working, then sound E1 error code alarm and turn the blue light on.
Solution: Unplug and place the heating rod fully in water.Overheat ProtectionWhen the water temperature is over 95°F, the heater will stop working, then sound HH error code alarm and turn the blue light on.
Solution: Unplug and wait for the heating rod to cool down to the normal temp.Power-off Memory FunctionWhen the heater is powered off and then restarted, it keeps the last set temp.
Important Tips for Using Aquarium Heater
1. Always unplug your heater first before carrying out any water change then plug it back in when the heater is fully submerged.
2. Let the heater cool for at least 15 minutes before removing it from the aquarium.
3. Make sure the heater rod does not touch the sand or gravel on the tank bottom because the heat difference will likely crack your heater glass.
4. The heater must be fully submerged underwater at least 5inch all the time, the plastic guard will be melted if the heater exposes to the air when it’s heating or not cooling down.
5. Keep water in circulation for better distribution of the heat.
6. To avoid the device overheating and ensure its better performance, it’s better to put it close to the tank filter.
Voltage: AC 110 V-120 V/ 60 Hz
Cord Length: 6.3 ft+4 ft
Temp Accuracy: ±1℉
Display Unit: Celsius ℃ or Fahrenheit ℉
Temperature Range: 59℉~93℉ / 15℃~34 ℃
Heating Rod Dimensions： 10.24 x 1.97 x 1.18 inchSuggested Tank100 watt heater for 10-25 gallons.
200 watt heater for 25-50 gallons.
300 watt heater for 40-75 gallons.
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