Water Wizard for River Runners is a river water sediment remover and clarifier. It's like having a water treatment plant in a bucket! Water Wizard is a Poly Aluminum Chloride or PACL and is commonly used as the main coagulant in municipal water treatment and works better than Alum. Treats approx 250 gallons. Includes concentrated coagulant, 2 syringes, and instruction booklet.