This residue must be removed from the surface while the surface is still wet. If, after applying the acid to the surface, any portion should be allowed to dry, these salts will settle into the concrete pores and inhibit the bonding of the floor coating. Once these salts dry in the pores, they are almost impossible to remove. Never pour water into acid always pour acid into water. Wear protective gloves and boots and eye protective glasses as goggles.
Muratic acid can give a sever burn to skin or eyes.
If contact with occurs flush with water for 15 minutes. B. Start with a small area of the floor 10 X 20 section to become familiar with the procedure. Do the floor in sections no larger than 800 square feet. Using two gallon sprinklers pails, sprinkle acid on the floor to fully wet the floor, but not so much as to create puddles. As one person is sprinkling acid have two people With push brooms spread the solution so that acid is evenly distributed over the surface of the floor.