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Old 08-08-2010, 09:01 PM
FELLOW-SHIP FELLOW-SHIP is offline
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Join Date: Feb 2002
Location: Cooper City, Fl
Posts: 1,798
Default Re: thru hull in side, how thick?

They should be the same diameter as your new 30 gallon tank drain hole is. Don’t reduce it. You should have 3 holes one to fill the tank one for overflow and one for end of day draining.


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