Ok, sorry for your trouble. Here we go. Here is a good article on the subject.
tank need to be bare bottom, no substrate. You can use water from your main to for starters, you will be treating in anyway.
No inverts in the qt
tanks, they cannot take the treatment and are not hosts for the parasite, so leave them where they are.
You need to leave your main void of fish host for 6 week to allow the parasites to do through the life cycle and die off.
You can treat your fish in the qt
tank with copper( as per the manufacturers instructions) or use hyposalinity. More is described in the article above.
Daily water changed will be used to control ammonia and nitrite in the qt
tank. The will need to be monitored daily.
Decide on what treatment you will use and ask away with specific question. If you use copper a proper test kit will be needed to keep levels at treatment strength.
Keep us posted.