Sour Grapes Malt (Gladfield)
Gladfield Sour Grapes Malt is designed to be used to adjust pH in the mash. Sour Grapes Malt is produced by encouraging lactic growth during germination from naturally present bacteria on the grain. The malt is then washed in a lactic bath using the same Lactobacillus strain, before kilning.
The acid content of Gladfield’s Sour Grapes Malt is 2%. As a guide, 1% of this milled malt will drop mash pH by 0.2. 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.
Use: Use to lower mash pH.
Rate: Up to 5%
EBC: 3-6
Available milled or whole.
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