So, I have a fire shrimp that has moved to the top of a rock instead if hiding in his cave. This is all cool but now he has algae growing off his shell. This is not growing anywhere else in the tank. I have aglae eaters like tangs and a lawnmower but he sits there with this algae growing on his back. Any way to get this off him? I repeat, no other algae in the tank.
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