A nontoxic, environmentally friendly, all natural enzyme water trough protector. Prevents film, residue, organic contaminations, and cross-bacterial contamination. Eliminates water tension and clarifies through by precipitating out organic particles, reducing sludge. These enzymes are small biochemical digesters. Water remains clearer. Highly concentrated yet safe for use with all animals when used as directed. One ounce treats 250 gallons. Comes in one liter bottle or a small pouch which treats 100 gallons of water.