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Introducing our innovative 4000ml square glass bottle brewing tank, designed to maximize space efficiency while maintaining exceptional fermentation performance. The unique square shape allows for optimal storage and stacking capabilities, while the advanced snap-on cover ensures airtight sealing for perfect brewing conditions. Crafted from premium borosilicate glass, this brewing glass tank combines functionality with modern design, making it ideal for both commercial brewers and serious enthusiasts seeking efficient, high-capacity fermentation solutions.
Optimized Packaging Solutions
We ensure secure transit for glass bottles with three certified methods:
1.Pallet + Shrink Wrapping
→ High-volume efficiency | Moisture protection | Reusable

2. Pallet with Cartons
→ Retail-ready | Weatherproof | Tamper-evident

Q1: How does the square design improve brewing efficiency?
✅ A: The square shape allows 25% more efficient storage space utilization, better heat distribution, and easier monitoring during fermentation compared to round designs.
Q2: Is the square tank as durable as round fermentation tanks?
✅ A: Yes, the reinforced corner structure with 5.5mm thickened glass ensures equal durability while providing the benefits of square design efficiency.
Q3: Can multiple tanks be stacked safely?
✅ A: Absolutely. The interlocking design allows secure stacking of up to 4 units high, with reinforced bases ensuring stability during fermentation.
Q4: What's the minimum for custom integrated airlocks?
✅ *A: Custom integrated airlock systems require 400 units MOQ. Standard snap-on covers available at 120 units.*
Q5: How does cleaning compare to round tanks?
✅ A: The straight sides and square corners actually facilitate easier cleaning with fewer hard-to-reach areas compared to round designs.
Q6: Are the tanks suitable for pressure fermentation?
✅ *A: While primarily designed for standard fermentation, the reinforced structure handles pressure up to 2.5 bar. For higher pressure, we recommend our specialized pressure-rated models.*







