Sweet Wort (Post-Lauter Pre-Fermentation) Storage
Storing Wort? Start Here
Wort is the sugary liquid extracted from grains during the brewing process, right before fermentation. It’s rich in sugars like maltose and maltotriose, making it a perfect target for spoilage if not handled properly. As a brewery operator, you’ll need to manage wort temperatures and storage times carefully to prevent microbial growth. This is crucial during its transition from the lauter tun to the boil kettle, where it’s typically kept warm but not hot enough to kill bacteria.
Can you store it in a poly tank?
Yes, but with some caveats. High-density polyethylene (HDPE) tanks are suitable for short-term storage of wort at temperatures below 140°F, which is common in small craft breweries. However, for larger operations or when handling wort at higher temperatures, stainless steel is the industry standard due to its durability and sanitation capabilities.
Key Issue: Microbial Spoilage
Wort is a breeding ground for bacteria and wild yeast, especially when stored at ambient temperatures. To prevent spoilage, ensure that wort is transferred quickly and stored in a closed system. Regular cleaning and sanitization of storage tanks are essential to maintain product quality.
The safety that actually matters
- Use FDA-grade materials for any contact with wort.
- Maintain strict sanitation practices to prevent contamination.
- Monitor storage temperatures to avoid microbial growth.
- Ensure tanks are compatible with the wort's temperature and pH.
Common questions
- Can I use HDPE tanks for long-term wort storage?
- HDPE tanks are best for short-term storage at lower temperatures. For long-term storage, especially at higher temperatures, stainless steel is recommended.
- What temperature should wort be stored at?
- Wort should be kept below 140°F when using HDPE tanks to prevent damage and microbial growth.
- How can I prevent wort spoilage?
- Keep storage times short, use closed systems, and maintain rigorous sanitation practices to minimize the risk of spoilage.
Sweet Wort (Post-Lauter Pre-Fermentation) storage tanks from OneSource
For sweet wort (post-lauter pre-fermentation) storage, specify HDLPE_OR_XLPE rated to specific gravity 1.9. Verified, compatibility-matched options:
- Snyder Industries 22 Gallon ASTM XLPE Black Heavy Duty Vertical Storage Tank (1.9 SG)
- Snyder Industries 150 Gallon XLPE Chemical Feed Station Tank (1.9 SG)
- Snyder Industries 500 Gallon ASTM XLPE Black Double Wall Tank (1.9 SG)
- Snyder Industries 1500 Gallon 45 Degree XLPE Cone Bottom Tank in White (1.9 SG)
- Snyder Industries 5000 Gallon XLPE Vertical Liquid Storage Tank with ASTM Certification (1.9 SG)
Confirm chemical compatibility and a ZIP freight quote with our team at 866-418-1777.
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