Home / Chemicals / Pool / Water Balancers / 4# pH Increaser “10lb NST (Non Stabilized Tablet)” has been added to your cart. View cart $11.99 4# pH Increaser quantity Add to cart SKU: 84455 Categories: Chemicals, Pool, Water Balancers Product ID: 4370 Description Description Raises pH in pool water. Related products Pool Magic + Phos Free $35.99 Add to cart Sale! Frog Torpedo Pack 6-pack $249.99 Original price was: $249.99.$199.99Current price is: $199.99. Add to cart Enzyme Clarifier (Enzyme for Pools) $31.99 Add to cart 7.5lb Alkalinity Up $32.99 Read more