Ruby Reef HydroPlex is a broad-spectrum， copper-free， antibiotic-free dip that’s easy to use whenever new finned friends are joining the tank. A ten-minute dip in this scientifically developed formula will help eliminate problems brought on by new fish being introduced into the aquarium. This special treatment is designed to remove active parasites， bacteria， fungus and other organisms attached to or embedded in the flesh， gill tissues， ascending vasculature and surrounding structures of the new fish. The unique blend also helps heal open wounds and can be used effectively in hospital and quarantine tanks. It’s a simple way to safely welcome new fish to their underwater home.