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! 50lb 3″ Chlorine Tablets $319.99 Original price was: $319.99.$278.99Current price is: $278.99. Add to cart Clean Shock $12.99 Add to cart Sale! 5lb Rapid Shock $34.99 Original price was: $34.99.$31.99Current price is: $31.99. Add to cart Sale! 21lb MPT Extra Chlorine Tablets $179.99 Original price was: $179.99.$149.99Current price is: $149.99. Add to cart