Mark303 Posted December 16, 2022 Share Posted December 16, 2022 (edited) I bought an extra Aquarium Co-Op sponge filter to be cycled and ready for a hospital / quarantine tank. I have watched the Co-Op videos on sterilizing a tank and how to do maintenance cleaning of a sponge filter but they didn't really mention (or I missed) how to clean and sterilize the sponge after disease. I guess I am mainly concerned on how to safely clean a sponge with bleach. My instincts is just to replace the sponge and airstone and sterilize the plastic portion of the filter, but don't see a replacement sponge for sale without buying a whole new filter. any advice would be greatly appreciated! Edited December 16, 2022 by Mark303 Link to comment Share on other sites More sharing options...
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