The appeal of acid stain is that it gives concrete a mottled, variegated, marble-like look. It creates beautiful colors on concrete, mostly earth-tone browns, reddish browns and greens.

Insight from John Reynolds, director of technical services at Solomon Colors on acid- and water-based stains, common problems, and applying stains to a slab.

GemTone Stain colors can be used alone or in layers over gray, integrally colored, acid-stained or color-hardened concrete. Apply to concrete before hardening/densifying with Consolideck LS, ...

Acid-based stains react with concrete to permanently change its color. They are slightly more troublesome to apply, and color ...

Acid-based stains chemically react with your concrete flooring, giving a natural appearance. The colors are earthy and nonuniform, so you won’t know exactly how your concrete floors will look ...

Acid stains are harder to apply but produce better color patterns and penetrate the concrete surface. Water-based stains are easier to use but don't have a deep, rich color. 2.

Recently, wife Carol told us about an attractive floor finish that she had discovered in a new local eatery. She said the floor was rich looking and was something she ...

Concrete Etch: If you decide to use an acid stain, use a concrete etch and cleaner to get the surface ready. After using the etch, use clean water to rinse off any residue. 4.

Stamped concrete color can fade and start to look shabby. ... The reactive acid stains contain metallic salts that can chemically react with the Portland cement paste and add color.