LandscapingCalc

Total alkalinity calculator

PRO

Baking soda to raise total alkalinity.

Inputs

Pool volume

gal

Current TA

ppm

Target TA

ppm

Result

Baking soda

12.00 lb

+40 ppm TA

Ounces

192.0

Pro calculator

Unlock 40+ Pro calculators, save projects and PDF quotes.

The formula

lb ≈ (gal/10k) × (ΔTA/10) × 1.5.

Worked example

20,000 gal, +40 ppm TA = 12 lb baking soda.

Frequently asked

›Also raises pH?

Slightly — around 0.1 pH per major TA correction.