Fish Prep is a natural 15-minute preventative fish bath. This natural, therapeutic fish bath is effective in only 15-minutes! Fish Prep prepares new incoming fish by cleaning their surfaces of various pathogens. Using Fish Prep reduces the possibility of cross-infections between tanks, or when introducing new fish . Fish Prep’s proprietary blend of natural thereapeutic soothing and curative oils includes and ingredient that helps fish remain calm and stress free during treatment. Reduces external fungus and protozoan infestations. Protects delicate slime coats, repairs damaged areas. Helps lessen chance of bacterial infestations. Suitable for freshwater. Safe for aquaponics & hydroponics.