The other day I noticed that my shark and my pleco have been infected with Ich. Now I raised the temp. to 85 degrees and started the daily treatment. I also took out the carbon since most medications recommend you do so. I will be doing 25% water changes every day until it is cured. My questions are can I feed them while I treat the tank (no filter). Is there anything else I can do to speed up the healing process. None of my other fish show signs yet. Thanks.