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Old 02/28/2018, 09:25 PM   #19
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Join Date: Jan 2016
Posts: 3
What type of algae?

I don't know what this stuff is growing all over my rocks. It's whitish gray, and looks feathery. Grows all over the rocks and on my monti. I usually brush it off with a toothbrush but it just comes back. Doesn't grow on sandalgae pic 1.jpg

algae pic 2.jpg

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