Flextank Myths vs Facts, What Winemakers Need to Know

There’s a lot of outdated thinking in winemaking. And when it comes to modern vessels like Flextanks, misconceptions can hold wineries back from improving quality, efficiency, and profitability.

Let’s break down some of the most common myths and what the facts actually show.

Myth #1, Flextanks Negatively Affect Wine Flavor

The Myth

• Plastic tanks will alter or taint the wine
• Only traditional materials preserve flavor integrity

The Fact

• Flextanks are made from food-grade, inert polyolefins
• They do not impart flavor into the wine
• Used by thousands of wineries worldwide with consistent results

Takeaway: Flextanks preserve the true character of your wine without adding unwanted flavors.

Myth #2, Flextanks Don’t Allow Proper Oxygen Exposure

The Myth

• Plastic tanks completely block oxygen
• You lose the benefits of barrel aging

The Fact

• Flextanks are engineered for controlled oxygen permeability
• Oxygen transfer rates can mimic traditional barrels
• This supports proper maturation and flavor development

Takeaway: Flextanks don’t block oxygen, they control it with precision.

Myth #3, Flextanks Are Less Durable

The Myth

• Plastic tanks won’t last long in a production environment

The Fact

• Built using rotationally molded polyethylene
• Designed for long-term use in winery environments
• Proven durability across thousands of operations

Takeaway: Flextanks are engineered for long-term, heavy-use durability.

Myth #4, Flextanks Are Just a Cheap Alternative

The Myth

• Flextanks are only used to cut costs
• Lower price means lower quality

The Fact

• Reduce costs while improving efficiency
• Lower labor, cleaning, and storage requirements
• Used by award-winning producers worldwide

Takeaway: Flextanks are not a downgrade, they are a smarter, more efficient upgrade.

Myth #5, Flextanks Are Hard to Use or Integrate

The Myth

• New systems are complicated to adopt
• They won’t fit into existing workflows

The Fact

• Lightweight and easy to move
• Stackable designs maximize space efficiency
• Simple cleaning and handling reduce labor demands

Takeaway: Flextanks simplify operations rather than complicate them.

Why Winemakers Are Making the Switch

• Better oxygen control for consistent results
• Lower costs across labor, cleaning, and storage
• Increased production capacity in the same footprint
• Proven results across thousands of wineries worldwide

Flextanks are not just an alternative, they are a modern solution built for how wineries operate today.