02-24-2013, 10:37 PM
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Originally Posted by NewFishFiend
Wondering how long it takes for water in a 75 gallon tank to heat up with a heater for up to a 100 gallon tank. We set our heater to 79 after we filled the tank up. The water was at 74 last night and is still at 74 now and the heater only comes on for a few minutes at a time. Is this normal? I figure its gotta heat up slowly but this seems too slow. Is the heater malfunctioned? Its a Pen-Plax Cascade heat
their might be a problem with the thermostat inside the heater, is ur heater placed vertically liek up and down or horizontally left to right? do you have water movement to circulate the water around the tank? i know my hob is on one side and i have a smaller circulation pump on the other side to make sure the water is evenly heated. i use the stealth line and have trouble keeping my water cool enough.