Hello all, my purple tang has been battling for about a week now at first i thought it was ich and started treating him with kick ich and rally which is also recommended for velvet however for the last 2 days he has lost his appetite and does not eat at all, and only comes out at night when the lights are off but his flesh looks really bad can someone please advise on what this can be, i should also mention his eyes were cloudy but after 2 freshwater dips they cleared up