When I put in a bunch of new dry rock (after soaking it in bleach and muric acid) I scraped the coralline off my overflow and let it settle on the new rock for awhile. I've that a few times.
Do you agree the pink, purple spots (center of pic) are coralline?
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In this pic it's on the far left and just left of the white area!
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Do you agree the pink, purple spots (center of pic) are coralline?
In this pic it's on the far left and just left of the white area!