Surecrete Eco-Stain™ 35102013-47 Cool Forest Semi-Transparent Water Based Concrete Stain. Eco-Stain™ is a liquid semi-transparent water-based concrete stain for accent coloring that can be sprayed, brushed rolled or even sponged. Used for staining concrete floors and walls including overlays and cast concrete products. Eco Stan is now available in a concentrated liquid 32oz. bottle that makes one full gallon and a 128 oz. concentrated bottle. Offered in 30 UV stable concrete stain colors, Eco-Stain™ can be diluted up to 10:1 to create virtually any color stain color desired. Applying concrete dyes has never been easier.