Couple of questions about hospital tank

[usmcr0811]

I am doing a copper treatment for my powder blue tang in a 30 gallon hospital tank and dropping the salinity in my main display to 1.018 and trying a reef safe ich killer for a month or so as a precaution as the tang is the only one so far to show signs of ich and so I don't have to take my 7 other fish out of my main. I have heard that the ich killer stuff doesn't work and then I have read that it does. So I am just going to use it anyways. I have read that these methods are a safe way of killing off all parasites that may be in your main tank without having to take all your fish out. Now I have a few questions.

Question number one the hospital tank is a 29 gallon, and I am wondering what do I do for filtration. I have a brand new hob filter that came with a carbon filter that I run when I use it for a QT tank but now that I have copper in the water I assume I shouldn't run the filter? So I just do water changes then with no filtration and how often do I do water changes on the hospital tank.

Question 2, I accidently put a shrimp into the hospital tank as I usually have one in during QT periods forgetting that shrimp and copper probably are a bad combo. The copper wasn't as strong as it needed to be before I realized my mistake but he was probably in the water for 10-15 minutes before I realized. Is he doomed to death and if not can I put him back in my main display without killing my other inverts?

 

[Newsmyrna80]

Please read the stickies at the top of the forum on cryptocaryon. There are no reef safe ich treatments. All fish need to be removed from the tank. The details are explained in the stickies.
The carbon will remove the copper.
Drip acclimate the shrimp with main tank water until parameters match and put him back in to the main. Hope for the best.