Soda Ash for Pool 3 Best Products Comparison with Baking Sodafizz ash is a fantastic additive for swimming pools. It serves as a crucial component in maintaining the cleanliness and harmony of the water. Soda ash for pools is specially formulated to aid diminish acidity and stabilize the pH levels in one's swimming pool. By employing soda ash for pools, you can assure optimal water conditions for bathing and improved protection for all in the water.