Dark Belgian Cask Yeast | White Labs WLP4653 | Vault Strain
If this yeast is on sale at 40% off, it’s likely nearing its expiration date—but don’t worry! It’s still highly viable and a great way to save on your brew.
Yeast Specifications:
- Manufacturer: White Labs
- Yeast Type:
- Attenuation:
- Flocculation:
- Temperature:
White Labs WLP4653 Dark Belgian Cask Yeast: Bold Character for Dark Belgian Ales
Spicy Phenolics and Rich Dark Fruit Esters from a Rare Belgian Source
White Labs WLP4653 Dark Belgian Cask Yeast is a Vault strain sourced from a traditional Belgian brewery known for its strong dark ales. This yeast produces a highly expressive fermentation profile, blending dark fruit esters like plum, raisin, and fig with classic Belgian phenolics such as clove and pepper. Ideal for high-gravity ales and cask-conditioned Belgian styles, WLP4653 provides a bold, warming complexity with moderate attenuation and medium flocculation.
Key Characteristics:
- Attenuation: 70% – 75%
- Flocculation: Medium
- Alcohol Tolerance: Medium to High
- Fermentation Temperature Range: 65°F – 78°F (18°C – 25°C)
- STA1 Status: Negative
Ideal for Brewing:
- Belgian Dark Strong Ale
- Belgian Dubbel
- Belgian Specialty Ale
- Winter Warmers
Why Choose WLP4653 Dark Belgian Cask Yeast?
- Vault Exclusive: Limited-release strain not available year-round—get it while you can.
- Rich Flavor Profile: Adds layers of dark fruit and warming spice, perfect for bold Belgian ales.
- Distinctive Fermentation: Produces complex esters with balanced phenolic spice.
Enhance Fermentation Success
Pair WLP4653 with White Labs Brewzyme to clean up diacetyl and improve your beer’s finish. Support yeast vitality with White Labs Zinc Buddy for healthy fermentation, especially in high-gravity brews.
Yeast Storage Matters
We store all White Labs yeast under strict refrigeration with 24/7 temperature monitoring. For shipped orders, we strongly recommend selecting an ice pack and insulated envelope at checkout to protect the yeast during transit. Melted ice packs are normal and protect against temperature spikes.
Explore more limited releases from White Labs Yeast here.
Brew bold, expressive dark Belgian ales with White Labs WLP4653 Dark Belgian Cask Yeast—available for a limited time from the White Labs Vault.