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! 35lb Instant Clear Chlorine Granules $329.99 Original price was: $329.99.$281.99Current price is: $281.99. Add to cart Sale! 5lb 1″ Chlorine Tablets $57.99 Original price was: $57.99.$54.99Current price is: $54.99. Add to cart Sale! Case of 4 – Oxidizer (Shock) $111.99 Original price was: $111.99.$99.99Current price is: $99.99. 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