Why does Soda Ash cloud up pool water Orenda Techsoda ash is a great additive to be used in aquatic facilities. It serves as a essential element in keeping up the sanitation and harmony of the water. Soda is specifically formulated to assist lower acidity and balance the alkalinity in one's water feature. By utilizing soda ash for pools, you can assure perfect water quality for enjoying and upgraded safety for all in the water.