Acid staining is a permanent process that involves a chemical reaction within the pores of the concrete. You can buy acid stain by the gallon at your local hardware store, so it is completely possible ...

acid-stained or color-hardened concrete. Apply to concrete before hardening/densifying with Consolideck LS, then apply an appropriate Consolideck protective treatment to seal and enhance the color.

I sat down with John Reynolds, director of technical services at Solomon Colors to talk about the difference between acid- and water-based stains, common problems, and get some advice on applying ...