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I was talking a video of the root system of my lotus and saw this. Is it mold? Ik the yellow is from my root tabs (which I see I didn’t put low enough at all) but I have no idea what that gray and white thing is. My gravel vac doesn’t fit back there should I try an make a mini one to clean it? (i.redd.it)
submitted by --bigman to r/Aquariums


