It looks like a black soft fuzz covering the brachwood. The first time it showed up was when I tried to set my tank a year ago. Back then, I had to brake down the setup before even plant it because I didn't have the time to take care of it. I treated the wood with H2O2 and let it dry for a year... Then when I set the tank up again last month, the fungus came back. I took the wood out the tank, treated it with H2O2 and scrubbed it until clean. After that I put it in a bucket with water so that it would soak and sink. Today I saw the fungus growing again.
What should I do?
What should I do?
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