Horse Trough Protector clarifies water by precipitating out organic particles. Also, our product will ensure water that is clean, clear, free of organic particles, & healthy. Further, trough protector contains safe & natural enzymes that break down organic contaminants through a natural process. Additionally, with our product, cleaning becomes easy, simply add one ounce of our product weekly and rinse debris away with a hose. Finally, spend more time working with your animals and less time cleaning up after them. For use on plastic, galvanized, and heated troughs!1 (one) capful treats 100 gallons of water. ALL of our products are made with natural enzymes and plant oils without the use of ANY harsh chemicals. Also, when used as directed, they are completely child & animal safe. We pride ourselves on making effective products that are safe, natural, & affordable.