Home / Chemicals / Pool / Chlorine/Bromine / 50lb bag of Sodium Bisulfate (pH Decreaser) $67.99 50lb bag of Sodium Bisulfate (pH Decreaser) quantity Add to cart SKU: AAA-8617 Categories: Chemicals, Chlorine Free, Chlorine/Bromine, Clarifiers/Maintenance, Pool Product ID: 2222 Description Description Used to lower the ph/alkalinity in pool water. Chemicals/Pools/Chlorine & Chlorine Free/ Maintenance Related products Chlorine Test Strips – 50 Count $14.99 Add to cart Sale! 44lb NST (Cal Hypo / Non Stabilized Tablet) $251.99 $228.99 Add to cart 35lb Instant Clear Chlorine Granules $399.99 Read more Sale! Box of 12- 1 lb Bags of Turbo Shock $99.99 $71.99 Add to cart