Zinc Free, Fisheries Grade "Lot Analyzed"
Fungicide, Protozoacide: Highly purified dyestuff effective against Protozoans including: Schyphidia, chilodonella, costia, Cryptocaryon Irritans, Epistylis, Ichthyopnthirius, Oodinium, Trichodina, Creidodiscus, Gyrodactylus.