One dead fish a day HELP

[corper]

No. Since I turned the sump on I have not turned it off. Its really not as loud as I thought. I slept right through the noise last night. In fact I thought a couple of times that it had stopped running.

Just wondering though, how could I have stopped the marine velvet. Also at this point i am not even sure if thats what it is. The clowns seem fine one day and flakey the next (excuse the spelling). Their eyes looked good yesterday, but today their are a few spots on them. The cleaner shrimp seem to be cleaning off a bit of the junk. I put a few fish in the QTank but they died in less than a couple of hours. Tested the copperin the tank and everything looked good. PH and salinity where good as well, no nitrites or amonia. Just keeping my fingures crossed that they get better.