Natural stone stain remover and cleaner compound Eliminate stains such as coffee, tea, oil, grease, butter and other non-acid stains Appropriate for all natural stones such as marble, granite, slate, travertine, limestone, terrazzo, etc. Also available in 2.2 lbs For best results use with Lavenet, neutral stone cleaner and Seal & Go S, stone sealer S.A.C. will not remove inorganic stains such as rust or very deep stains. This is not a stone restoration powder. It will not polish the stone. It will not remove etch marks, commonly mistaken as "water spots" (chemical burns caused by acids such as fruit, vinegar, etc.). More than one application may be needed. S.A.C (Stain Absorbing Compound) is designed to eliminate stains such as coffee, tea, oil, grease, butter and other non-acid stains from most marble, granite, limestone, travertine and other porous natural stones. Also available in 2.2 lbs. For best results use with Lavenet, neutral stone cleaner and Seal & Go S, stone sealer. Does not remove etch marks caused by acid (fruit, vinegar, etc.), ammonia and alcohol. Please contact us if you have any questions about our products.