Lactobacillus Blend | White Labs WLP4682 Yeast | Vault Stain
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White Labs WLP4682 Lactobacillus Blend: Ideal for Fast, Flavorful Kettle Sours
Target Clean, Tart Acidification with White Labs’ Pure Culture Blend
White Labs WLP4682 Lactobacillus Blend is a pure culture of *Lactobacillus plantarum* and *Lactobacillus brevis*, specially selected for their rapid and clean lactic acid production. This blend is perfect for brewers looking to create crisp, tangy sours without funky byproducts or long fermentation timelines. Designed for kettle souring or fast primary souring applications, WLP4682 offers a high level of pH drop within 24–48 hours at elevated temperatures.
Key Characteristics:
- Bacteria Strains: L. plantarum and L. brevis
- pH Drop: Fast, typically reaching ~3.2–3.4 within 24–48 hours
- Fermentation Temperature Range: 90°F – 100°F (32°C – 38°C)
- Flavor Profile: Clean, tart lactic acid with minimal off-flavors
- Usage: Best used in kettle souring or co-pitch with yeast for quick turnaround
Ideal for Brewing:
- Berliner Weisse
- Gose
- Fruited Sours
- Quick Kettle Sours
- Session Sours and Tart Ales
Why Choose WLP4682 Lactobacillus Blend?
- Pure Culture: Trusted blend of *L. plantarum* and *L. brevis* for controlled acidification
- Speed and Predictability: Delivers tartness fast—no lengthy barrel aging required
- Clean Profile: No funk, just smooth, balanced acidity
Enhance Your Brewing Process
For consistent pH reduction and fermentation synergy, use WLP4682 alongside a clean ale yeast like WLP001 California Ale after souring. You can also fine-tune fermentation with Zinc Buddy to maintain yeast health after kettle souring.
Our Commitment to Yeast and Bacteria Health
All White Labs cultures at SoCal Brewing Supply are stored in temperature-controlled refrigerators with 24/7 monitoring to maintain peak freshness. When shipping WLP4682, we recommend adding an ice pack and insulated mailer to guard against temperature swings. Melted ice packs on arrival are normal and help protect the integrity of your culture.
Explore our full range of White Labs Yeast and Bacteria strains to craft unique sour, funky, or clean-fermented beers.
Use WLP4682 Lactobacillus Blend for fast, clean kettle sours with bright lactic acidity and consistent results.