I recently started a 55 gallon salt water tank. It was a fresh water tank for two years and I had the new salt water running for about 4 weeks and tested twice by two different stores....they both gave the go ahead. I bought two mated clown fish that have been fine for over 3 weeks. For the last two days one of the fish has been laying on the bottom of the rock. There does not appear to be any sign of illness on the outside of its body.
Any ideas?
Any ideas?