Leslie's Soda Ash pH Up 45 lbs Leslie's Pool Suppliespop cinder is a superb additive to be used in aquatic facilities. This substance is a crucial component in keeping up the cleanliness and balance of the water. Pop is particularly formulated to assist diminish acidity and stabilize the pH levels in one's water feature. By utilizing soda ash for pools, you can guarantee perfect water quality for swimming and enhanced safety for all in the water.