CHG Teat Dip is or dipping the teats of lactating dairy cows and goats after milking. Its deep blue color shows you which teats have been dipped. A sanitizing teat dip -- an aid in reducing the spread of organisms which may cause mastitis. Ingredients: Contains 0.35% chlorhexidine gluconate and 0.20% quaternary ammonium. Dosage: Ready-to-use, do not dilute. Directions: Dip teats immediately after milking as a routine part of milking procedures. Dip to thoroughly cover the lower one-third of the teat (preferably to the base of the udder).