How Do You Remove Rust Stains From A White Concrete Drivewaythey e From A Car?
As a last resort, the answer you’re looking for is hydrochloric acid, or as it is still known in the building trades, muriatic acid. If you had a chem class in high school or college, you’ve seen how easily this stuff eats through metal. It’s long been used for cleaning masonry when nothing else works. You can buy it in a hardware store. While you are there, pick up some long rubber gloves, goggles, a plastic bucket, and a stiff bristle brush with a long handle. Buy the smallest container of the stuff you can find; a little goes a long way. Hose off the surface thoroughly before working with the acid. You want to dilute the stuff at least 10 to 1 with water. You always add the acid (slowly) to the water, not the other way around. Wear rubber gloves and goggles at all times when you’re working with it. Keep the garden hose handy, and keep a large box of baking soda nearby in case you splash any of the acid on yourself. You will need it later to neutralize the acid after it does its thin
