We have a 30 gallon planted tank. In a few places, on the root that we have as a centerpiece, there is a strange growth. We have noticed it in the past, on dried wood peices that we have added. At that time, our Mystery Snails took care of it and seemed to love it. This time around, I have assasin snails in the tank. When I added some new Mystery Snails, the assassin's seemed to get pretty excited. Any tips? What IS it?
Thanks!
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