donoree Posted August 23, 2004 Share Posted August 23, 2004 hi all! i have a few of these little white puffs starting to grow on my rock they aren't wispy white like mold, but look more like tiny balloons. lfs says they are harmless sponges. what do you think? are they bad for my tank? thanks! Link to comment
Angel Posted August 23, 2004 Share Posted August 23, 2004 Looks like a sponge to me also. Good filter feeders. Link to comment
donoree Posted August 23, 2004 Author Share Posted August 23, 2004 awesome... thanks so much! Link to comment
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