Large aquariums lose heat more slowly than small tanks allowing you to buy a heater with as few as 3 watts per gallon.
Top fin 100 watt aquarium heater instructions.
For example a 20 gallon tank would require a 100 watt heater.
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And canadian safety requirements.
Disease treatment feeders food plant care pond care saltwater aquarium care.
There are many models of aquarium heaters on the market today that come preset or with a temperature gauge on the side of the heater or on the control knob to help you set the temperature.
Choose a submersible aquarium heater that provides 5 watts per gallon.
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