Alkalinity Increaser$10.50 Maintaining your Alkalinity goes hand in hand with maintaining your pH. The ideal alkalinity level is between 80 and 120 ppm. Alkalinity Increaser quantity Add to cart Category: Pool Chemicals Related products Add to cart Calcium $8.75 Add to cart PH Minus $4.00 Add to cart PH Plus $3.75 Add to cart Salt 40lb $14.50