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#1
02-17-2013, 06:51 PM
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The ring around the impeller is still there but it does have a break in it. So it's got about a 2-3 mm gap. My suspect seal from the first thought.
__________________
 My 70 Gallon build: http://www.canreef.com/vbulletin/showthread.php?t=66478 My Mandarin Paradise: http://www.canreef.com/vbulletin/showthread.php?t=72762 I wonder... does anyone care enough to read signatures if you make them really small? I would not. I would probably moan and complain, read three words and swear once or twice. But since you made it this far, please rate my builds. 
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#2
02-17-2013, 06:58 PM
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Quote:
I suspect it's there to allow some flow if the media becomes plugged
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Hybrid Mode
