how to make washing powder from baking soda blue powder
3 Ways to Add Baking Soda to Laundry - wikiHow. Oct 15, 2019·Make a baking soda paste. Baking soda makes a great natural stain remover. It's gentle enough to use on almost any type of fabric. Mix a tablespoon of baking soda with enough water to make a thick paste. Alternatively, mix the baking soda with hydrogen peroxide or white vinegar ...