I did my stained concrete floors in our kitchen area and dining place (about thirty’x15′) above the system of about 5 days (before and right after get the job done); right just before our vacation to Disneyland a few years ago. If implementing acid stain indoors, cover adjacent walls with https://johnnynhuei.theblogfairy.com/28748629/indicators-on-acid-stain-you-should-know