Acid Stain DIY Kit w/Acrylic Sealer (WB) Contains all of the basic products necessary to acid stain concrete. Creates beautiful,, variegated and translucent colors that will not chip,, fade,, crack,, or peel. Reactive Concrete Stain is the obvious alternative to carpet,, hardwood and tile. Appropriate for Indoor or Outdoor use Green building projects can recieve LEED credits for using EnduraColor Reactive Stain