zacharin0 Posted March 13, 2017 Share Posted March 13, 2017 I have never seen this online or in anyone's tank before... but now I have many growing in my sump. Only my sump. It looks like bulbous aptaisia, and gets very dim light during the day - I have no lighting fixtures shining on it. I don't think it's a pest, just want more information on it. Look at bottom of picture. Btw, my tank is an innovative marine 30l. And yes, I put hermit crabs on my filter floss. 0 Link to comment
RayWhisperer Posted March 13, 2017 Share Posted March 13, 2017 I'm on my phone at work, so I can't be positive. However, it looks like pineapple sponges. Link to comment
RIP Sebastian Posted March 13, 2017 Share Posted March 13, 2017 27 minutes ago, RayWhisperer said: I'm on my phone at work, so I can't be positive. However, it looks like pineapple sponges. Yep! Pineapple Sponges. Harmless. Link to comment
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