F9 Efflorescence, Hard Water Stains and Calcium Remover - Perfect for Mud and Copper Stains and Concrete Coating Prep - 1 Gallon

This product is a user-friendly replacement for 31.45% strength muriatic acid, offering effective cleaning with fewer harmful effects. It removes efflorescence, calcium, calcium carbonate, and hard water stains from various surfaces, including concrete, masonry, stucco, glass, and more. It can be used to etch concrete at stronger concentrations or as a general cleaner when diluted. The formula features a buffered acid with a pleasant smell and minimal fumes, reducing corrosion One gallon covers 200-400 square feet of porous masonry or up to 1,200 square feet of non-porous surfaces, with a shelf life of two years unopened and one year once opened