Horse stall freshener; removes ammonia smell; helps absorb moisture; completely safe for all horses and foals; will not harm asphalt‚ concrete‚ clay‚ limestone‚ rubber‚ dirt or wood stalls; unlike lime‚ will not crack horses hooves or burn their sensitive breathing systems; use only 1/3 as much as lime‚ with better results; less ammonia and dryer stalls decrease fly populations; available in classic powder and granular. OMRI listed.