Surgistain. Removes rust and corrosion from stainless steel instruments. A ten minute soak will keep instruments looking new. Surgistain is a quick, safe and efficient revitalizing solution that removes rust, pitting, stains and corrosion from stainless steel surgical instruments. For more then twenty years, hospitals worldwide have saved hundreds of thousands of dollars by using Surgistain to restore instruments. Used routinely as part of the Ruhof System, Surgistain will help maintain the life and efficiency of your instruments and reduce repair and replacements costs. If used on a monthly basis in conjunction with our enzymatic cleaners Surgistain will restore the instrument’s original finish and loosen box-locks and joints. Excellent for use on all ophthalmic and microsurgical instruments. 4 Gallons.