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Old 01/14/2019, 10:09 AM   #6
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Join Date: Sep 2003
Location: North Carolina
Posts: 19,271
78-65 = 13F
For that you likely need ~4-5x water volume in heater wattage..
So for a 50G tank you likely need 200-250 watts of heaters to keep that stable enough and heat it up in a relatively short time so the heaters aren't constantly running..

Usually about 3x is sufficient for a 7-10 deg ambient difference..

Can you get by with less.. Sure.. It will just take longer to heat it up and may not reach the desired temp..

Being blunt and having fun
Straight up INTJ
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