Step-by-step marbled patio acid stain instructions and pictures to make your patio an entertaining showplace! Direct Colors is the leader for DIY patios!
As the acid stain dries and processes, an alkali and minerals residue will form on the surface of the concrete. This is completely normal and is part of the reaction process. Each stain has different activation times to fully color the concrete, generally from 4 to 8 hours. Acid stain can be left on the surface longer if desired.
Acid Stain activation times listed below are minimum times for the listed acid stain color.