Korkay EcoFriendly Concentrated Concrete Gunite Morter Grout Remover Heavy-Duty for Tools Mixers Forms -1 Gallon

Cement Dissolver uses a unique, biodegradable, non-acid chemistry which completely removes concrete by dissolving the calcium from the cement which allows the rinseable mud to be safely and totally removed from virtually any hard surface. Just spray on, wait 15 minutes and then rinse off." This biodegradable solution comes in a 3:1 concentrate for economical application. Most effective on concrete, mortar, grout and stucco less than 7 months old. Perfect prep product to open the pores of concrete floors for polishing or application of stain or epoxy. To use, mix one gallon of product with 3 gallons of warm water. Works best when mixed with warm water or left in the sun to process.