IN REGULATING THE WATER TEMPERATURE,JUST AS IN PROVIDING LIGHT,TAKE INTO ACCOUNT THE CONDITIONS IN THE TROPICAL NATIVE WATERS OF YOUR FISH.FOR THE FISH DESCRIBED IN THE MAIN PARTS OF USA THE TEMPERATURE MUST BE BETWEEN 24 26C(75-79F).
A AUTOMATIC CONTROLLED HEATER:WILL ENSURE THAT THE TEMPERTURE IN THE TANK STAYS CONSTANT.THE BEST ARE THE ONES WHERE YOU CAN CONTROLL THE TEMPERATURE BY TURNING THE KNOB.
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