Home / Chemicals / Pool / Chlorine/Bromine / 50lb bag of Sodium Bisulfate (pH Decreaser) $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! 11lb MPT Extra Chlorine Tablets $119.99 Original price was: $119.99.$99.99Current price is: $99.99. Add to cart 4lb Bag of Stabilizer & Conditioner $29.99 Add to cart Enzyme Clarifier (Enzyme for Pools) $32.99 Add to cart Sale! 4lb MPT Extra Chlorine Tablets $54.99 Original price was: $54.99.$44.99Current price is: $44.99. Add to cart