Soda Ash for TieDye EVERYTHING you need to knowtonic cinder is a wonderful additive to be used in aquatic facilities. It is a key ingredient in preserving the purity and harmony of the water. Soft drink is specifically formulated to assist lower acidity and balance the alkalinity in one's swimming pool. By utilizing soda ash for pools, you can guarantee optimal water conditions for bathing and upgraded safety for all in the pool.