PRESERVOR is a stabilized potassium sorbate-based preservative available exclusively from IBA. It is the only stabilized potassium sorbate product on the market. Performance is superior to traditional propionic acid based products. Preservor is an ANTI-CORROSIVE, EPA exempt, and provides better long term microbial protection to preserve the quality of animal feed and hay. Besides being highly effective, Preservor is non-toxic, environmentally friendly, biodegradable and economical for use.