Brass Darkening Solution Store / Brass Darkening Solution Sort by We recommend Newest arrivals Price: Low to High Price: High to Low Name: A to Z Name: Z to A Brass Darkening Solution - 32 oz. antique vintage old dull Brass Darkening Solution - 32 oz. antique vintage old dull $24.60 Brass Darkening Solution - 8 oz. Antique Vintage old dull Brass Darkening Solution - 8 oz. Antique Vintage old dull $6.00 Nickel Darkening Solution - 8 oz. Antique Vintage old dull Nickel Darkening Solution - 8 oz. Antique Vintage old dull $10.28