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#10
06-03-2018, 03:42 PM
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I drain my 77 down about 6 1/2 inches from normal water level and that tends to be about a 22 to 24 gallon water change. No sump, no overflow. A skimmer feed box displaces a bit of water at the surface. Lots of rock & sand. 24 inch tall tank water level an inch & change from top.
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Mike 77g sumpless SW DIY 10 watt multi-chip LED build  http://www.canreef.com/vbulletin/showthread.php?t=82206
Last edited by mike31154; 06-03-2018 at 03:44 PM. 
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