Dipink Posted July 15, 2021 Share Posted July 15, 2021 I had 2 nano sponge filters going in my planted shrimp tank. They got covered in black beard algae. I also had a big problem with planaria, which were feeding off the filters (and everything else). I removed the sponge filters, but would like to use them again in another shrimp set up. How can I prevent black beard algae on other sponge filters? Link to comment Share on other sites More sharing options...
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