Home / Chemicals / Pool / Chlorine/Bromine / 50lb bag of Sodium Bisulfate (pH Decreaser) $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! 1lb Bag of Rapid Shock $6.99 Original price was: $6.99.$5.99Current price is: $5.99. Add to cart Sale! 10lb NST (Non Stabilized Tablet) $80.99 Original price was: $80.99.$69.99Current price is: $69.99. Add to cart Sale! 20.6lb NST (Cal Hypo / Non Stabilized Tablet) $139.99 Original price was: $139.99.$118.99Current price is: $118.99. Add to cart Sirona Chlorine/Bromine Spa Test Strips – 25 Count $15.99 Add to cart