Mrs. Stewart's Bluing Liquid is a powerful whitening aid for laundry, known as Grandma's Secret Spot Remover. Made in the United States, this blue liquid is specially formulated to assist in removing tough stains and brightening clothes. With its trusted brand name and effective formula, this product is a must-have for anyone looking to keep their laundry looking fresh and clean. The LeBlanc linen wash bottle is empty. Just for the collectible history.