Every more surface care product is formulated specifically for the care and cleaning of natural stone surfaces. Avoid the industry standard of harsh cleaners full of chemicals and explore moreâs product line designed for safe, simple and effective use. Our acidic cleaner cleans and restores natural stone, tile and grout. The concentrated formula is effective and safe for daily use, but is not meant for marble, limestone, travertine, onyx or concrete surfaces. Enjoy enhanced stone surfaces and improved air quality with a safer, water based and more natural cleaner.