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Unread 12/09/2017, 12:38 PM   #9839
SantaMonica
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Join Date: Feb 2007
Location: Santa Monica, California, USA
Posts: 2,511
Quote:
Any reason the bottom flooring of my scrubber is almost growing as much or more than my screen is?
Light might be too bright, until the screen fills in more to absorb it.

Quote:
I had 2x50w red grow lights before and the algae didnt grow at even half the speed
Because there was too much light.


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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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