The Planted Tank Forum - View Single Post - Help IDing Algae
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post #3 of (permalink) Old 12-04-2012, 09:23 PM
Planted Tank Guru
Join Date: Jan 2010
Location: Contra Costa CA
Posts: 10,505
Sure looks like Cyanobacteria! (AKA Blue Green Algae)

Note the Oto is above, not eating it. They do not.
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