99% Pure SODA ASH (Sodium Carbonate Anhydrous, Washing Soda) (2 lb) Used to increase the alkalinity in swimming pools, helping to ensure the proper pH balance of the water. Can be used as a strong degreaser to clean greasy build up from pots and pans, oven racks, drip pans, oil stains and more. Effectively disinfects and softens water. Used in most dishwashing detergents, all-purpose cleaners, glass cleaners, stain removers, countertop cleaners, sanitizing sprays and bleach Considered to be green, soda ash is a naturally occurring chemical found in soil and water and doesn't cause any adverse effects on wildlife or water if low amounts are released into the environment. Help to boost laundry detergents by softening the water, allowing regular detergents to be easily suspended and spread in the wash. It also poses as a successful disinfecting solvent.