i use a 400watt on my 75 i just bought i think its a little to much when i first filled the tank up it took the heater like half an hour to get it to 78 degrees from 60
buckeyenut222;2181119; said:Any idea if the link provided above is accurate? It says I only need 70 watts for my 75 gallon?
Bud8Fan;2181164; said:If you are not raising your temperature very much then that is probably right.
Especially if it's acrylic.
I'm using 250watts to raise 500 gallons of water 4° F with no problems.