And canadian safety requirements.
Top fin 50 watt aquarium heater instructions.
When you do the heater just started to heat.
Look at the front of the filter you should see a little red light come on.
If it is set to 28 c the heater will heat the water to 28 c and then will switch off when that temperature is reached.
Turn the temp seeting knob clockwise a little bit till the heater turns on.
Instruction manual submersible aquarium heater the aqueon aquarium submersible heaters are listed by underwriters laboratories to ensure that they meet the stringent u s.
For example a 20 gallon tank would require a 100 watt heater.
The issue is that it doesn t specify how to set a particular temperature in the heater.
Large aquariums lose heat more slowly than small tanks allowing you to buy a heater with as few as 3 watts per gallon.
This is all the instruction paper says about this matter i quote.
Choose a submersible aquarium heater that provides 5 watts per gallon.
An aquarium heater without an adjustable thermostat also means that the heater cannot be adjusted to account for differences in power stability or for age of the heater and components.