YeastMatch

White Labs WLP540 Abbey IV Ale from White Labs: 19 to 22 C (66 to 72 F), 74 to 82 % attenuation, High tolerance, medium flocculation. Styles and substitutes.

Updated 05 September 2026.

White Labs WLP540 Abbey IV Ale yeast: temperature, attenuation and alcohol tolerance

White Labs (liquid)

The published White Labs data for White Labs WLP540 Abbey IV Ale, the styles it suits, and what to use if you cannot get it.

Gauge readout
Attenuation74 to 82 %
Alcohol toleranceHigh
Fermentation temp19 to 22 C (66 to 72 F)
Attenuation50%75%100%
Alcohol010%20% ABV
Temperature02040 C

Published technical data

ManufacturerWhite Labs (liquid)
SpeciesSaccharomyces cerevisiae, top-fermenting Belgian ale
Fermentation temperature19 to 22 C (66 to 72 F)
Apparent attenuation74 to 82 %
Alcohol toleranceHigh
FlocculationMedium

Notes

Recommended for Belgian tripel, abbey ale, Belgian dark strong.

Character: Fruity, warming Belgian abbey character that finishes dry.

A Belgian abbey strain associated with a well-known tripel, fruity and warming with a dry, high-attenuating finish and a high tolerance for strong beers. Use it where you want a tripel or strong abbey ale to finish dry but keep its ester.

Substitutes and styles

Questions and answers

What is the manufacturer of the White Labs WLP540 Abbey IV Ale yeast?

White Labs (liquid)

What is the species of the White Labs WLP540 Abbey IV Ale yeast?

Saccharomyces cerevisiae, top-fermenting Belgian ale

What is the fermentation temperature of the White Labs WLP540 Abbey IV Ale yeast?

19 to 22 C (66 to 72 F)

What is the apparent attenuation of the White Labs WLP540 Abbey IV Ale yeast?

74 to 82 %