1. Temporarily move the fish to other fish tanks or containers, empty the fish tanks, soak and clean them with disinfectant, and generally use white vinegar, sterilized alcohol, potassium permanganate solution, sterilized water, yellow powder, etc., which can not only kill bacteria, but also taste. 2. After soaking in disinfectant, the disinfectant must be fully washed off with clean water. The bottom sand, landscape stone and other decorations in the fish tank also need to be sterilized. Such treatment can often reduce the frequency of odor and reduce the odor. 3. It is necessary to regularly clean up all kinds of residues, and regularly change water
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