Product DescriptionBlack Diamond?s Stone Wash is formulated specifically to clean limestone, travertine, marble, slate and porous natural stone surfaces. Works great on polished concrete. Stone Wash is pH neutral, biodegradable and will not only safely clean and protect your natural stone surfaces, but with regular use also enhance the stones natural beauty, making colors more vivid. Safe for use around pets, children and the environment. Stone Wash lifts dirt effortlessly from natural stone without damaging the surface or diminishing natural stone color. This no rinse formula makes cleaning your natural stone Our Stone Wash is a part of Black Diamond STONEWORKS line. This is our premium line of natural stone cleaners AND sealers. They are designed to help you easily maintain and protect all of the beautiful stone and tile surfaces in your home or business. STONEWORKS cleaners and sealers are designed to offer you the the perfect combination of unequaled product performance and value! Made in the USAFrom the ManufacturerStone Wash concentrate is a PH balanced, biodegradable cleaner for all honed and tumbled natural stone. Great for limestone and travertine. It will not only safely clean and protect your stone surface, but with regular use will also enhance your stone's natural beauty, making colors more vivid. Mix 4oz to 1 gallon of hot or cold water. No rinsing necessary.