Sounds like you have whiteworms in the tank. If that's the case, they are harmless. Excellent pleco food but an indicator of poor water quality. Use a gravel vac for your water changes and up the number of water changes as well.
more water changes? im doing 30 %a week now with a phython could these have come from some feeder shrimp i purchased at lfs?filtration is being done by 2 emperor 400's tank is a 55
salts fine and keep the water condition at its optimum.
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