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Old 02/19/2020, 07:56 PM   #3
SantaMonica
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Join Date: Feb 2007
Location: Santa Monica, California, USA
Posts: 2,491
Little known info: Bubble algae concentrate nutrients into the bubble, and thus can survive for a while with no nutrients in the water at all. And bryopsis uses actual roots that extract nutrients out of the rock, also, when there are no nutrients in the water.


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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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