Protozin is used for the control of all protozoan and fungal infections eg whitespot fungus neon tetra disease velvet costiasis and trichodiniasisr you will require 4 separate applications to complete the course of treatmentr by adding the treatment on days 1 2 and 3 the product safely compounds in strength and does not burden the already stressed animals with a hard hitting formular the final dose on day 6 is a preventative measure to try and ensure the organism does not re occurr pro