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 mix for cleaning concrete.
These solutions are for etching the concrete.
This article has two parts.
Pour the acid into the water slowly.
Apply the solution to the surface.
Muriatic acid also called hydrochloric acid is the most dangerous chemical product sold on the open market.
Phosphoric acid can be used as a safer alternative for cleaning concrete.
You roughen such a floor by etching it with muriatic acid.
If you spill the muriatic acid cover the spill with a thick layer of garden lime.
Always store muriatic acid in the container it came in.
A smooth concrete floor must be roughened before paint will stick to it.
They are quality products but have a reduced impact on the world in which we live.
Once the stains are gone rinse the area thoroughly with cool water and allow it to dry.
Only mix muriatic acid in a glass or acid resistant plastic container find a list here.
Always add the acid to the water to help prevent acid splashing out of the mixing container.
This will cause a chemical reaction and make the area bubble and fizz.
Muriatic acid acts like liquid sandpaper by roughening the surface of the concrete.
Use muriatic acid to clean concrete only when no other cleaner will do the job.
If you re just removing mineral deposits efflorescence use a much weaker mix 10 1 or 16 1 for muriatic acid.
Klean strip green muriatic acid has 90 lower fumes than standard muriatic acid.
Do not ever mix any other chemicals with muriatic acid.
Use a garden sprayer or paint brush to apply the solution to the stain.
Klean strip green are products that are better for the environment.
How to use muriatic acid to clean concrete.
Acid etching is the process of applying hydrochloric muriatic or buffered phosphoric acid to a slab then rinsing it off with water.
It s also easy to use and store.
Masonry projects that use cement products like mortar concrete and grout can be messy muriatic acid is a sure way to clean masonry surfaces this product is a very strong acid that will clean dried cement products off stones bricks and other masonry surfaces.
Never mix muriatic acid with other acids.
The first part getting to know muriatic acid deals with the properties of muriatic acid how it works and suggestions for safer alternative cleaning methods the second part special masonry cleaning situations gives a few more specific examples such as efflorescence removal and paint preparation.
Do it yourselfer s should avoid muriatic acid where possible.
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.
It also reduces the surface alkalinity of the concrete that can cause some paints to adhere poorly.
