An FDA-approved formalin (37% formaldehyde) that controls external protozoa, parasites and monogenetic trematodes on all cultured finfish, penaid shrimp and all finfish eggs. Protozoans controlled include Ichthyophthirius spp. (“ich”), Costia spp., Chilodonella spp., Epistylus spp., Trichodina spp. and Scyphidia spp. Monogenetic trematodes controlled include Gyrodactylus spp., Dactylogyrus spp. and Cleidodiscus spp.
