Medicate your fish and corals on the onset of infection using the gentlest but most effective fish medications from Aquarium Pharmaceuticals, Blue Life, Boyd Chemiclean, Hikari, Kordon, and Seachem. Thse aquarium medicines are proven and tested to give the fastest relief when it comes to treating hole-in-the-head disease, fin and tail rot, septicemia, gill disease, body slime. They also get rid of unwanted algae, flukes, tapeworms, flatworms, and other harmful parasites that could potentially kill your fishes. Can also be used to treat newly acquired fishes and coral to ensure they are not carrying parasites to your tank. Guaranteed safe and effective by our expert aquarists.