Acid reacts with the concrete to produce a mottled effect that can look fabulous but is hard to control. Water-based stains give a more consistent finish, and there's a greater color choice.

There are two main types of concrete stains: water-based stains and acid-based stains. Acid staining is a popular choice ...

Armor Acid Stains react chemically with the mineral content and excess lime of the concrete surface for a deep penetrating, UV stable and permanent stain Armor Acid Stains react chemically with ...