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#19
12-31-2015, 09:34 PM
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Found the gizmo photo. It's called an air lift. I saw a post on a forum some years ago where a chap used a bunch of these to create a circular flow in a small tank.
 I chose not to use these on my B11 backups since they are bulky & my sump less display already has enough gear distracting the view of what's important in there, so just use the small rigid tube. You could buy a hockey sock full of the battery air pumps for the price of a UPS & probably be fine with them during an outage until you got home. https://en.wikipedia.org/wiki/Airlift_pump
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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; 12-31-2015 at 09:39 PM. 
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