Home / Chemicals / Pool / Chlorine/Bromine / 50lb bag of Sodium Bisulfate (pH Decreaser) View cart “Box of 12- 1 lb Bags of Turbo Shock” 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 Box of 12- 1 lb Bags of Turbo Shock $108.74 Add to cart 1lb Bag of Turbo Shock $11.24 Add to cart 1lb Bag of Non-Chlorine Oxidizer $12.99 Add to cart 20.6lb NST (Cal Hypo / Non Stabilized Tablet) $148.74 Add to cart