Is emerythycin safe to treat clown loaches?

Emerythycin is not commonly used in the treatment of clown loaches or other fish species, and its safety and efficacy for this purpose are not well-documented. It's important to consult with a veterinarian or an aquatic specialist before using any medication to ensure it is appropriate for clown loaches, as they can be sensitive to certain treatments. Always monitor the fish closely for any adverse reactions if you do decide to use it.