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Mash pH calculator

Estimate mash pH based on grain bill, water profile, and acid additions.

kg
°L
ppm
ppm
ppm
ppm
ppm
ppm
mL
mL
L
Results
Estimated pH5.80
Target range5.2 – 5.6
Breakdown
DI water pH5.71
RA effect+0.090
Acid effect+0.000
RA40.4 ppm
Acid suggestion (to pH 5.4)
Lactic acid 88%3.6 mL
Phosphoric acid 10%6.0 mL
Estimate ±0.1–0.2 pH. Verify with a calibrated pH meter.