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napower05 Hobbyist Posts: 88 Votes: 0 Registered: 05-Oct-2004	anybody know what watt heater you need for a 40 gallon tank ?? i forget? and i lost my guide i had...?
Posted 26-Jan-2006 11:39
NowherMan6 Fish Master Posts: 1880 Kudos: 922 Votes: 69 Registered: 21-Jun-2004	No need for a guide, really a 150 watt heater should be fine. That's what I'm using in my 46. *Back in the saddle!*
Posted 26-Jan-2006 11:39
Babelfish Administrator Small Fry with Ketchup Posts: 6833 Kudos: 8324 Votes: 1570 Registered: 17-Apr-2003	Rule of thumb for heaters goes 5wpg so for a 40 you want a 200watt heater. If your air temp is consistantly cooler than your water temp you'll want higher wattage, if your air temp is often warmer than the tank temp you may not need as much. It's always important to keep a heater in the tank to help keep the temp from falling too much. ^_^ [hr width='40%']"Somewhere beyond happiness and sadness I need to calculate,what creates my own madness... and I am waiting for disaster"
Posted 26-Jan-2006 11:39
napower05 Hobbyist Posts: 88 Votes: 0 Registered: 05-Oct-2004	nowherman6 what do you have in ur 40 gallon?
Posted 26-Jan-2006 11:39
terranova Fish Master Posts: 1984 Kudos: 1889 Votes: 229 Registered: 09-Jul-2003	Babel'd be correct; no need for a guide, just a 5wpg rule and some common sense. I think you'll be fine with a 150-200watt, depending on room temperature. [hr width='40%'][font color="#000080"]"I know that you are something special, To you I'd be always faithful I want to be what you always needed, Then I hope you'll see the heart in me"[/font] -Formerly known as the Ferretfish
Posted 26-Jan-2006 11:39
FISH MAISTRE Banned Posts: 18 Kudos: 20 Votes: 7 Registered: 10-Feb-2005	I have a 200 watt in my 55 gal and it hardly ever turns on because the ambient room temp where the tank is stays about 70-75 degrees. You may be able to get away with a 150 watt. However, listen to Babe and go by the 'rule' for this reason: If you lost heat in your house for a day or so, would a 150watt be enough? I went away for the weekend and while I was gone the heat went out, not the electric but the heat (gas) and my 200 watt prevented any casualties I say 200 watt
Posted 26-Jan-2006 11:39


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