
$3.99
See if it's really the one
Search with this product to compare it, find similar styles, or turn up something better before deciding.
Lactic acid 88%. 5 fluid oz to lower the pH in mash. Also used to create that "sour" tang in stouts similar to Guinness. Add 1 teaspoon per cup of water. Can use up to 4 teaspoons.
Have a question about this?
We currently ship within the US, with more countries coming soon.
Final cost and dates are confirmed at checkout.
🇺🇸 Ship from USA · On Agora since 2026
$3.99