Crystal Clean is an easy to use daily cleaner. Its pH neutral formula is safe for any natural stone surface. Crystal Clean is a rinse less cleaner that evaporates quickly and will not streak or leave water spots. Use with confidence on your granite countertop, travertine floor, marble shower, or any natural stone. It also works great on stainless steel and glass making it an excellent, and inexpensive, all-purpose cleaner. Added sealant protection is what makes Crystal Clean truly unique. It contains our advanced fluoropolymer protectant. Every time you clean you a resealing and protecting your stone surface.