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Sodium bisulfate is an acidic salt often used to lower pH in swimming pools, spas and industrial water systems, and is also used in metal finishing, food processing, cleaning products and sanitizing.—
Kris Habermehl,
CBS News,
4 May 2026 Use soda ash to increase pH; muriatic acid or sodium bisulfate to decrease.—
Danielle Beurteaux,
Popular Mechanics,
18 May 2018 Following treatment, sodium bisulfate would be used to detoxify the water before it was released back into the river.—
Keith Matheny,
Detroit Free Press,
27 Mar. 2018