Recently just started up a 37g tank, I’m on week 2 of cycling and I had a pair of clown in there to help cycle. I noticed 1/2 clowns started showing signs of ich so I removed them both into a hospital tank and begun treating them. The one experiencing symptoms did not make it, the other clown seems just fine. I want to keep it quarantined at least 30days until the ich dies off. However I was gifted an urchin and a cleaner shrimp I also have pre existing snails and hermits. Will they be okay in the 37g? Can the ich live off them until I introduce fish again?