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#1
12-18-2009, 09:42 PM
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The math of it all works out very close.. Sump will have a 10G allowable limit, plus I have an extra 5-6G in my refuge tank. Based on where my DT water level will be relative to my return bulkhead, I shouldn't have more that 14.1G flow back to the tank even if the Check Valve fails.
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180G Office Reef. Started Sept 2012 http://www.canreef.com/vbulletin/showthread.php?t=88894 62G Starfire Reef. Started Jan 2013 http://www.canreef.com/vbulletin/showthread.php?t=89988 
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#2
12-18-2009, 10:06 PM
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I thought that check valves worked on a spring.. doesn't that restrict flow as well ? I suppose there are non-springy check valves? I wouldn't know, I haven't used one in a zillion years.. I wonder if fishy will come over and skin my new stand as well.. I have no motivation at all to skin the new stand.. heck, i hear he is doing plumbing these days too. I should just get him to finish my build.
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