Home / Chemicals / Pool / Chlorine/Bromine / 50lb bag of Sodium Bisulfate (pH Decreaser) “4.5lb NST Prime (Non Stabilized Tablet)” 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 Sirona Chlorine/Bromine Spa Test Strips – 25 Count $15.99 Add to cart Enzyme Clarifier (Enzyme for Pools) $31.99 Add to cart Sale! 5lb Turbo Shock $42.99 Original price was: $42.99.$36.99Current price is: $36.99. Add to cart Sale! 65 lb Turbo Shock $487.99 Original price was: $487.99.$405.99Current price is: $405.99. Add to cart