If you're going to use Hypo on your fish (is that your plan or copper?) then make sure you have a refractometer in hand. Without that you won't know if you're really at treatement level. Once at treatment level salinity make sure that you keep it there for four weeks from the last spot that you see. After that take a week to bring the sg
back up and a week to confirm that the treatment was successful. At the end of that 7-8 week period your main should be fallow and ready for your fish to return to hopefully an ich free home. Foods soaked in garlic and selcon will aid the fish immune system so that they are better prepared to fight off the parasite
From there you need to hypo or fallow every fish, invert, coral, etc you put into the tank so that you don't end up with ich again.
Good luck in your struggle with ich. It isn't any fun.
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