Gladfield Sour Grapes Acidulated malt
Sour Grapes Malt (acidulated malt)
As a guide, 1% of this milled malt will drop mash pH by 0.1. It can also add a mild lactic sourness to the brewed beer.
We recommended between 1% and 5% of our Sour Grapes Malt is used to achieve target mash pH.