PURE OXALIC acid polishing powder - FOR PROFESSIONAL USE ONLY Restores high shine on marble, limestone, terazzo and travertine SURFACES: Marble, travertine, limestone , terrazo and other calcitic stones. Comes With MICROFIBER CLOTH, Deep Clean Concentrate - 1 Qt. Makes 8 Gallons, 1 Gallon Makes 32 Gallons! Deep Clean is a heavy duty stone cleaner safe for all natural stone and tile surfaces. Ideal for polished marble, travertine and granite. Cleans heavily soiled grout. Everything you need bundled into 1 here. Buy the Oxalic Acid, and the Deep Clean by Stone Pro, packed by For Your Water with an included Microfiber Cloth. Deep clean is for polished and unpolished marble, granite, travertine and for use on all natural stone surfaces Cleans and removes grease from natural stone surfaces and surrounding grout. Safe for all natural stone and tile surfaces. Powerful cleaner and degreaser. Safely cleans grout on polished marble. Makes up to 32 gallons. 1500-6000 sq. ft. per gallon