Home / Chemicals / Pool / Chlorine/Bromine / 50lb bag of Sodium Bisulfate (pH Decreaser) View cart “Enzyme Clarifier (Enzyme for Pools)” 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! 35lb Instant Clear Chlorine Granules $321.99 $281.99 Add to cart Sale! Box of 12- 1 lb Bags of Turbo Shock $131.99 $86.99 Add to cart Sale! 50lb 3″ Chlorine Tablets $299.99 $249.99 Add to cart 1lb Bag of NST Purify $14.99 Add to cart