“Calcium” has been added to your cart. View cart → PH Plus$3.75 Raising your pH will also raise your alkalnity. The ideal pH level is between 7.5 and 7.8 ppm. PH Plus quantity Add to cart Category: Pool Chemicals Related products Add to cart Carboy Shock $25.00 Add to cart PH Minus $4.00 Add to cart Alkalinity Increaser $10.50 Add to cart Stabilizer $8.50