Helps treat and control foot rot in cattle and sheep. Contains benzlkonium chloride. For use as a walk-through, disinfectant footbath solution. Each container holds 12 21-gram sachets. Directions: Drop entire unopened sachet into a footbath containing 15 L of clean water. Contents will dissolve immediately. Walk stock through footbath--only 1 minute of hoof submersion is necessary for the anti-bacterial and anti-fungal action of Hoof Phast to take place.