Lowers High pH & Alkalinity pH Reducer for pool reduces high pH and alkalinity to maintain balanced swimming pool water. This Sodium bisulfate formula prevents cloudy water, scaling, and damage to pool equipment. Fast-Dissolving Dry Acid Our pro-grade dry acid for pool works quickly to adjust pH levels. Simply add directly to the deep end of the pool and let it dissolveno pre-mixing required. Swim-ready in just 15 minutes! Prevents Scaling & Cloudy Water High pH can cause calcium buildup, leading to rough surfaces and cloudy pool water. sodium bisulfate for pool effectively prevents scaling, protecting pool surfaces, plumbing, and equipment. Safe for All Pool Types Works with chlorine, saltwater, and bromine pools. Our alkalinity decreaser for pool helps optimize sanitization, lower pH in pool and improve water clarity. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-Minnanxin