Reckitts Blue Anil - 4 pack
These old-fashioned blueing squares, made in France, are completely safe for laundry and bathing. Reckitt's Crown Blue is the best and safest way to keep white fabrics a sparkling, clean white. It can be used in hot or cold water. It does not contain dye or bleach. Recommended as a safe substitute for toxic bluestone (copper sulphate).