onlywei Posted February 9, 2022 Share Posted February 9, 2022 Hello, I have a 40g breeder that had 8 corydoras in it. They were the only fish in the tank. Unfortunately they started dying one by one so that I only have three remaining. I moved the last three into a bare 20g long with a sponge filter and dosed it with salt. The sponge filter was cycled in a different tank. I am going to take down this 40g breeder tank entirely. However, it also has a bunch of plants, a sponge filter and a HOB filter. I quite like some of these plants and equipment and I want to keep using them. How can I be sure that whatever disease was killing my corydoras is gone from these plants and filters before I use them in another tank? Link to comment Share on other sites More sharing options...
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