wala po kinalaman ang light sa sakit ng clownfish mo, may corals ba yung aquarium mo ngayun o kaya ibang invertebrates? ..don't dose medication directly to your tank kasi papatayin nya inverts dun..
nagcycle ka ba ng tank mo?
water source? natural salt water ba o salt mix?
if possible, post pics of your set-up sir para mas maunawaan yung situation