Description
Focus Products Dry Acid (sodium bisulphate) in a 5 kg pack, carton of 3. Lowers pH and total alkalinity in pool water when levels are above the recommended range. Pre-dissolve in a bucket of water before distributing around the pool with the pump running. Never mix directly with chlorine products. Wear appropriate PPE when handling. Retest water chemistry after 4 to 6 hours.
