Home / Chemicals / Pool / Chlorine/Bromine / 50lb bag of Sodium Bisulfate (pH Decreaser) $69.99 Available on backorder 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 Enzyme Clarifier (Enzyme for Pools) $31.99 Add to cart 25lb 3″ Chlorine Tablets $187.99 Add to cart 35lb Instant Clear Chlorine Granules $352.99 Add to cart Sirona Chlorine/Bromine Spa Test Strips – 25 Count $15.99 Add to cart