Home / Chemicals / Pool / Chlorine/Bromine / 50lb bag of Sodium Bisulfate (pH Decreaser) View cart “Sirona Chlorine/Bromine Spa Test Strips – 25 Count” 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 Sale! Case of 4 – Oxidizer (Shock) $114.99 $91.99 Add to cart 1lb Bag of Non-Chlorine Oxidizer $12.99 Add to cart Sale! Enzyme Clarifier (Enzyme for Pools) $41.99 $32.99 Add to cart Sale! 17lb Turbo Shock $134.99 $114.99 Add to cart