

Phosphoric Acid - 4 oz
- 4 oz liquid Phosphoric Acid (10% or 25% concentration)
- Lowers mash or brewing water pH
- Flavor-neutral acidifierIdeal for pale ales, lagers & crisp styles
- Precise, easy-to-use liquid formula
Phosphoric Acid is a go-to solution for homebrewers aiming to dial in water chemistry without impacting taste. This liquid acidifier offers a precise way to lower mash or brewing water pH, promoting optimal enzyme activity and a clean fermentation profile.
Unlike citric or lactic acid, Phosphoric Acid is virtually flavorless, making it a popular choice for brewers crafting crisp lagers, pale ales, and hop-forward beers where clean taste is key.
Use it to reduce alkalinity in your brewing water or fine-tune your mash pH. Simply add by the milliliter, stir, and check your readings with a reliable pH meter or test strips. Great for advanced brewers who want full control over their brewing variables.
- Package contains: 4 oz bottle of liquid Phosphoric Acid
- Best for: Pale ales, lagers, IPAs, and beers requiring a clean profile
- Flavor profile: Flavorless and clean — no added tartness or citrus
- Concentration: 10% or 25% (label will indicate)
- Shelf life: 24 months unopened
Note: Always test a small batch and use protective gloves when handling.