When you do the heater just started to heat.
Top fin 50 watt aquarium heater instructions.
For example a 20 gallon tank would require a 100 watt heater.
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.
And canadian safety requirements.
Non preset aquarium heaters are less expensive than their preset counterparts often as little as half the price.
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.
Choose a submersible aquarium heater that provides 5 watts per gallon.
Instruction manual submersible aquarium heater the aqueon aquarium submersible heaters are listed by underwriters laboratories to ensure that they meet the stringent u s.
The issue is that it doesn t specify how to set a particular temperature in the heater.
Now before any snotty smarty pants out here tells me to read the instruction paper i have.
Look at the front of the filter you should see a little red light come on.