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! 5lb 1″ Chlorine Tablets $57.99 Original price was: $57.99.$54.99Current price is: $54.99. Add to cart Sale! 35lb Instant Clear Chlorine Granules $329.99 Original price was: $329.99.$281.99Current price is: $281.99. Add to cart Pool Magic + Phos Free $35.99 Add to cart 1lb Bag of Non-Chlorine Oxidizer $12.99 Add to cart