Home / Chemicals / Pool / Chlorine/Bromine / 50lb bag of Sodium Bisulfate (pH Decreaser) “Case of 4 – Oxidizer (Shock)” has been added to your cart. View cart $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 Sale! Box of 12- 1 lb Bags of Turbo Shock $131.99 Original price was: $131.99.$86.99Current price is: $86.99. Add to cart Sale! 65 lb Turbo Shock $487.99 Original price was: $487.99.$405.99Current price is: $405.99. Add to cart Sale! 4.5lb NST Prime (Non Stabilized Tablet) $37.99 Original price was: $37.99.$34.99Current price is: $34.99. Add to cart Sale! 50lb 3″ Chlorine Tablets $299.99 Original price was: $299.99.$249.99Current price is: $249.99. Add to cart