Muriatic Acid Concrete Etch

It also reduces the surface alkalinity of the concrete that can cause some paints to adhere poorly.
Muriatic acid concrete etch. Muriatic acid also known as hydrochloric will etch the concrete. Muriatic acid is diluted hydrochloric acid. Use a sprayer or watering can to evenly distribute that acid and let it sit for 2 15 minutes or until it stops bubbling. When you acid etch concrete wear long sleeves gloves eye protection and a face mask to protect yourself from stray acid.
It will look somewhat brighter as it is eating away the surface and revealing fresh material. Then mix 3 or 4 parts water with 1 part muriatic or hydrochloric acid in a plastic bucket. Muriactic acid is one of the most dangerous chemicals you can buy for home use and it can damage nearly everything it touches. But hcl won t do much for the oil stains.
Other safer products are available for etching concrete and should be used for any indoor applications. Acid etching is the process of applying hydrochloric muriatic or buffered phosphoric acid to a slab then rinsing it off with water. It should be handled with extreme care. Washing brick concrete or stone with muriatic acid can neutralize alkalinity allowing paint finishes to last for years.
Use muriatic acid or another acid etching material such as klean strip green muriatic acid a safer muriatic acid or hydro etch 1000 which is a modified phosphoric acid which is not as harmful as traditional muriatic acids. However this chemical is not ideal for household use because of its damaging and harmful effects. Muriatic acid or hydrochloric acid has long been the accepted acid etching method of professional installers and homeowners. Brush or spray on a 1 10 diluted mix of acid in water onto the surface.
A true alternative to muriatic acid it creates the same profile but without the dangerous chemicals harsh odors and need to neutralize after etching. How to acid etch concrete.