10-21-2010, 11:54 PM
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Member
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Join Date: Feb 2008
Location: Powell River, B.C.
Posts: 3,572
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Quote:
Originally Posted by lastlight
In my experience with the herbie setup I can't ever tune the gate valve finely enough to EXACTLY match the pumps output. The output also does change I suppose very slowly as it gets dirty. Either way what I have done is get it as close as possible so that the very slow creep is up and the emergency drain always has a very small amount just seeping down it. Bubble free, silent and like you said I have both my main pipe and my emergency very high. The overflow skims but drops about 1/2" into the box.
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Exactly.
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225g reef
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