Mash pH Adjustment Calculator

Mash pH Adjustment Calculator

Lactic Acid & Gypsum Calculator

Batch Parameters

Water Profile

Grain Bill

Recommended Additions

Lactic Acid (88%)

Gypsum (CaSO₄)

Expected Results

Final pH:

Final Calcium:

Final Sulfate:

Brewing Notes

Quick Reference

Target pH by Style

  • • Pilsner/Light Lager: 5.2-5.3
  • • Pale Ale/IPA: 5.2-5.4
  • • Amber/Brown Ale: 5.4-5.6
  • • Porter/Stout: 5.4-5.6

Lactic Acid Tips

  • • Add gradually while stirring
  • • Recheck pH after each addition
  • • Max 3ml per gallon recommended
  • • Store in cool, dark place

Gypsum Tips

  • • Dissolve before adding
  • • Enhances hop character
  • • Max 2g per gallon typical
  • • Affects mineral balance

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