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post #6 of (permalink) Old 04-13-2014, 02:49 PM
The Plant Whisperer
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Join Date: Jan 2006
Location: Harrogate, TN
Posts: 2,247
Looks like BBA to me. Clado is the algae growing in your moss above.

Clado tends to branch frequently, and BBA originates from a single point and does not branch. Squirt some peroxide directly onto the BBA and it will not bubble, squirt some onto the moss/clado and you'll see it violently bubble.

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