Acidulated (Weyermann)

Acid malt, typically 1.8 °L (4 EBC). Malt color varies by lot, treat listed values as typical and adjust to your malt analysis.

Mash pH parameters used by the brewwtr model
TypeAcid malt
Typical color1.8 °L · 4 EBC
Lactic equivalent336 mEq/kg (≈3% lactic w/w)

In the mash

Acid malt (Sauermalz) is base malt sprayed with lactic acid, about 3% by weight. brewwtr doses it as its lactic-acid equivalent (336 mEq/kg, the mean of Troester's two published titrations): each 1% of the grist lowers mash pH roughly 0.1 in typical conditions.

Build a water profile around it →

The calculator opens a new batch with Acidulated (Weyermann) already in the grain bill; the mash pH prediction updates live, with a per-lot DI pH override if you've measured your own sack.

More malts

No published titration for this malt yet, the model applies class-average parameters for its type and color. Colors from public maltster specifications. Malt DI pH, explained: what it is and how to measure your own →