ticks/parasites

[seatrueblue]

Yes, all fish must be removed from display. If there is nothing for the ich to eat, they will starve and die. It is 8 weeks not 6 to let your display go fishless.
While they are in the quarantine tank they will be treated and cleared of the ich. You will treat the fish with hyposalinity or copper in the quarantine tank.

Quarantine tank must not have the following:
inverts
live rock
sand

It can have a filter but not if you decide to use the copper treatment.

Instructions for hyposalinity is:
http://www.reefsanctuary.com/forums/...t-process.html

If you chose to use copper please read this:
http://www.reefsanctuary.com/forums/...-problems.html

Without the liverock or sand to keep your parameters stable. Depending on the size of your quarantine tank, you have to check your tank parameters daily or ever other day.