so don't worry too much if you don't have a uniform finish the first time. Concrete stains can be harsh, especially ...

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.

The decorative staining job was a new construction concrete slab and required 6,000 square feet of acid staining ... floor with a high speed buffer and finishing pad, Wagner adds.