Home / Chemicals / Pool / Chlorine/Bromine / 50lb bag of Sodium Bisulfate (pH Decreaser) View cart “50lb 3″ Chlorine Tablets” has been added to your cart. $69.99 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 7.5lb Alkalinity Up $32.99 Read more Sirona Chlorine/Bromine Spa Test Strips – 25 Count $15.99 Add to cart Sale! 4.8lb 3″Chlorine Tablets $49.99 $44.99 Add to cart Case of 4 – Oxidizer (Shock) $113.74 Add to cart