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09/17/2020, 02:01 PM | #1 |
Registered Member
Join Date: Feb 2007
Location: Santa Monica, California, USA
Posts: 2,511
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Look what algae can stick to
That's actually a smooth clear acrylic surface
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Inventor of the easy-to-DIY upflow scrubber, and also the waterfall scrubber that everyone loves to build: http://www.reefcentral.com/forums/showthread.php?t=1424843 |
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