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A Durso has the same potential for plugging up as a herbie with no backup drain, so I don't see where there's a difference. Do an over the top return and you can have your emergency drain for either overflow type.
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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; 06-03-2010 at 03:09 AM. |