Prescribed For Life Sodium Bisulfate - Sulfuric Acid - For Soil, Pool & Spa pH Balancing (Sodium Hydrogen Sulfate) 12 oz (340 g)

Sodium bisulfate is one of the synonyms for sodium acid sulfate. It is a dry acid in crystal, granular, or powder form that is used as a pH adjuster, fungicide, herbicide, or microbiocide in a variety of industries, such as household cleaning and swimming pool maintenance.