Off-Flavors

White text reading “TA” placed in front of a clear 250mL beaker containing a yellow pH meter probe with a black band.

Titratable Acidity

By BrewLab / December 26, 2016 /

TA — Titratable Acidity [ASBC Beer-8] Reported in %Acid: Lactic, Acetic, Malic, and Citric.  

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White text reading “VDK” placed in front of a clear 250mL beaker containing white popcorn.

VDKs

By BrewLab / December 6, 2019 /

MINIMUM 12 OUNCE SAMPLE Vicinal Diketones (VDKs) – [ASBC Beer-25D] Precursor to Diacetyl. Testing and Logging a brew’s VDKs will aid in capping tanks quicker. Can be used to combat dry hop creep.  

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White text reading “POL” placed in front of a clear 250mL beaker containing green hop pellets.

Polyphenols

By BrewLab / May 8, 2020 /

Polyphenols [ASBC Beer-35] reported in mg/L The presence of polyphenols in beer can cause unpleasant aromas and unwanted turbidity.

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White text reading “SO2” placed in front of a clear 250mL beaker containing two brown eggs.

Sulfur Dioxide

By BrewLab / May 14, 2020 /

SO2 is naturally produced in the fermentation steps of beer production. As an additive, it also extends the shelf life of the beer, cider, & wine. When SO2 is is added to a beverage it takes on one of three forms: Molecular SO2, a SO2 Salt, and a gaseous SO2 Sulfite. When both Molecular &…

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White text reading “FAN” placed in front of a clear 250mL beaker containing malted barley.

FAN

By BrewLab / December 28, 2020 /

Free Amino Nitrogen [ASBC Wort-12C] reported in ppm Nitrogen

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White text reading “NTU” placed in front of a clear 250mL beaker containing beer foam.

Turbidity

By BrewLab / December 30, 2021 / Comments Off on Turbidity

Turbidity as Physical Stability [ASBC Beer-27-IB] reported in Nephelometric Turbidity Units (NTU). Can be reported in FTUs upon request.

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