Outlaw Thrush Stuff 4oz. For Horses. Antisepic kills bacteria-fungus in the hoof/Screw cap easy open. Astringent drying effect on area of infection and hoof/frog tissue Antiseptic & Astringent. Strongest THRUSH treatment you can buy!!!!!! Thin like water to penetrate deeper than any gel can for longer lasting results. The consistency allows it to penertate the cracks and crevices.