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Leisure Time Alkalinity Increaser is a critical product in maintaining proper pH control in your spa. It is comprised of a granular formula that effectively raises alkalinity levels which if left too low, might cause equipment corrosion. In addition to raising total alkalinity, this product prevents pH bounce.
Price: $14.99
1 oz until alkalinity reading is 80-120 ppm.
Sodium Hydrogen Carbonate: 100%