Since everyone is talking about micro (scrubbing) bubbles in their tanks, I thought I'd post a video of this in my tank. I've been doing this for about 2 weeks now, and although I can't say for certain if my corals have responded positively, I can say I have seen no negative effects on them. I do notice that the polyp extension the next morning does appear to be more than usual and water clear. Still too early to determine if it affects growth or not.
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