I have been going through the ich phase as well. Bump up the temp in the tank to get the ich into their swimming stage (stage at which they are vulnerable)...then go at it with an ich treatment. If you have any fish that don't do well with ich medicines, I would suggest using ich attack. I didn't have much faith in it because it didn't seem to be working, then I increased the dosage and now my tank is ich free and I didn't lose any inhabitants. Best of luck!