TransTint Dyes, Dark Walnut This product cannot ship to a PO box. Delivery requires street address. Dyes can be mixed with water for an economical, nonflammable stain Mix with alcohol for a fast drying, non-grain raising stain Dyes can be added directly to water-based finishes and solvents Not for exterior use, 2 oz. bottle yields about 2 quarts of dye-stain