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- Aug 24, 2016
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I woke up this morning to my possum wrasse having what looks to me to be an abraison on his head. His only tank mate is a Bangai cardinal and some snails in a 10g. They get along find and rarely actually interact. He did not have this mark before lights off. He ate fine this. Morning and I didn't see a change in his behavior. I've been fighting green hair algae and so have been dosing h2o2. Other than that it's just 2 part dosing (3ml a day). I did a 2 gallon water change probably 2 days ago. Hope these pictures are helpful.