Home / Chemicals / Pool / Water Balancers / 4# pH Increaser “Case of 4 – Oxidizer (Shock)” 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 Sale! 10lb NST (Non Stabilized Tablet) $80.99 Original price was: $80.99.$69.99Current price is: $69.99. Add to cart Sale! Box of 12- 1 lb Bags of Rapid Shock – $89.99 Original price was: $89.99.$62.99Current price is: $62.99. Add to cart Sale! 20.6lb NST (Cal Hypo / Non Stabilized Tablet) $139.99 Original price was: $139.99.$118.99Current price is: $118.99. Add to cart Frog Torpedo Pack 6-pack $249.99 Add to cart