No...you can't do the one hour dip now...too late for that. That process is only for new fish before introducing them into your tank. You now have what appears to be not just one, but several diseases in your tank...taking fish out, dipping them and returning them to your tank will do no good...because now the parasites and bacteria are in the tank - in your water, your rock and sand.
You are now going to have to treat the entire tank
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