Horse Trough Protector Concentrate clarifies water by precipitating out organic particles. Ensures water is clean, clear, free of organic particles, & healthy. Further, trough protector contains safe & natural enzymes that break down organic contaminants through a natural process. Cleaning becomes easy, simply add one ounce weekly and rinse debris away with a hose. For use on plastic, galvanized, and heated troughs! 1 (one) capful treats 100 gallons of water 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.Features: One capful treats 100 gallons of water Ensures clean drinking water Prevents film and residue Reduces sludge, keeps troughs clean Prevents cross contamination of water sources Cleans organic contaminants Designed for Equine Health and Care