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Old 04-13-2014, 02:49 PM   #6
Zapins
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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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