Using Muriatic Acid To Remove Concrete

Muriatic acid is a strong acid cleaner used on masonry surfaces to clean stains.

Using muriatic acid to remove concrete. These solutions are for etching the concrete. Muriatic acid should never be used indoors and has to be thoroughly neutralized before disposal. If that s the case use muriatic acid an industrial grade of hydrochloric acid but only after washing away the other types of acids and donning all the right safety equipment. If the acid comes in contact with skin wash it away with large amounts of water.

If a sealer is present the mix will not generate a reaction. Spray a 1 16 acid to water diluted solution on the drained surface of the pool let it sit for 10 to 15 minutes. Muriatic acid is the strongest acid available to the public. Use muriatic acid to clean concrete or prepare concrete surfaces for paint or sealer.

If you must use muriatic acid to remove efflorescence follow these steps be sure to follow the safety recommendations earlier in this article. Mix the acid with water. Sometimes that doesn t do the trick. Mix 3 to 4 parts water with 1 part acid or follow label instructions for a 10 concentration 15 for hard smooth concrete.

Muriatic acid can get your swimming pool s surface looking like new again. How to determine what type of concrete sealer was used. A four to one mix of water and muriatic acid will interact with the lime in concrete generating bubbles or fizzing if the surface is bare. Phosphoric acid and trisodium phosphate are the main compounds used to dissolve concrete leftover from masonry work.

Allow the solution to sit for a few moments. For many years it was a standard method of concrete preparation used by nearly all industrial commercial and institutional floor coating installers depending on the floor size and system to be installed. 1 part acid to 10 parts water by volume is typical but dilutions as light as 1 part acid to 16 parts water work well too. With proper use it removes stains when other cleaners fail.

If you re just removing mineral deposits efflorescence use a much weaker mix 10 1 or 16 1 for muriatic acid. Yet if the concrete stain contains minerals phosphoric acid does not remove muriatic acid can be used safely outdoors while the wind is low. Acid etching is the process of applying hydrochloric muriatic or buffered phosphoric acid to a slab then rinsing it off with water. Apply the acid solution.

It is excellent for cleaning away rust stains and efflorescence but must be used with extreme caution. Brush the diluted acid solution onto the stone using a stiff bristled plastic brush.