Brew-Tek Beer Growlers

A growler is typically understood to be a 64-ounce, reusable container employed to carry beer. Growlers are usually filled at the tap (from a keg) and are not factory sealed, meaning they have either screw-on lids or flip tops (as opposed to aluminum cans, which cannot be resealed once opened, or bottle tops which generally take special equipment to properly apply a seal).

The most common growler type is glass, either brown or clear, and has a screw-on lid. In some places, a smaller (often 32oz) growler is standard, and occasionally comes with the flip-top lid.

Since the standard glass growler became popular following its introduction in 1989, there has been some development of the style. While typical glass growlers have a small glass handle near the neck, some styles have metal or pewter handles, which vary in design and are sometimes customized to add identity to the growler.

There are a variety of alternatives to the standard, ranging from ceramic to metallic, offering a range of benefits and drawbacks, but all generally keeping within the central concept of providing an alternative to smaller, disposable containers, and giving the owner the opportunity to fill it from a draught.

What Is Wrong With Traditional Growlers?

Brew-Tek Glass Beer Growler

Growlers seem like a pretty awesome idea – buy one container, and use it to try lots of different beers. Aside from the eco-friendliness of having a larger, reusable container for beer, most drinkers agree that, given the choice between bottles (or cans) and a drink from the tap, the draught will always win out.

So what’s not to love about the growler?

Well, it isn’t so much the growler itself, as the growler types that are dominating the craft beer world.

Brew-Tek Glass Growler

Seeing Through The Glass

Glass growlers are ubiquitous, mostly because they are cheap and familiar.

The main trouble with this is that glass is translucent, and you definitely do NOT want any UV light touching your beer unless it is on its way down your gullet. UV light exposure causes a chemical reaction in beer called “skunking,” (which is exactly what it sounds like). Too much light means skunked beer, and skunked beer means no fun. Without opaque insulation, your growler is doomed to behave like a vampire.

Bad Lid on Beer Growler

Put A Lid On It

Another troubling feature (and one not unique to the glass growler) is the lid. The typical lid is threaded around the mouth of the growler, and is only about 1cm, or a little less than a half-inch deep. That is well and good for water or milk, but beer is a drink under pressure—and those little bubbles are critical both to preserve beer, and to make it, well, beer.

If you have ever had a 2-litre bottle of soda in your fridge for too long, you know that no matter how tightly you screwed on the lid, that soda eventually went flat. The same thing will happen to beer without a proper seal. When you consider that a typical 2-litre soda bottle lid is roughly TWICE as deep as a typical growler lid, you can see the limitations of the design.

Beer Growler Glass Mouth

Fill’er Up

Finally, there is the filling process. If you’ve ever filled a glass growler yourself, or watched your bartender make the effort, you know the small mouth and short, narrow neck presents quite an obstacle to the beer itself. It seems odd, doesn’t it, that the very thing the bottles are used for, they make difficult? Inefficient filling means waste. Often bartenders will over-fill glass growlers to force the foam out; others will wait, as patiently as possible, for foam to naturally diminish before they continue pouring. Enterprising bartenders may even try to make use of a pitcher to pour the beer in, or even a funnel. Not only is this slow and often wasteful, but if pretty much guarantees the beer will be exposed to oxygen, and reduce its shelf life.


What all this means is essentially that even the most diligent growler user who immediately shuffles his or her vessel off to the refrigerator, screws the lid on extra tight, and travels by night to avoid all UV light is working extra-hard to protect a compromised product, that at best will lose its flavor, texture, and overall character in just a few days. These are the limitations that led us to develop the Brew-Tek Growler.

To be fair, there are other growler alternatives out there–ceramic, stainless steel, and of different shapes and sizes– some of which even tackle a few of the most common issues with growlers. Variety is a good thing. But so is the pursuit of perfection. Brew-Tek Growlers seek to perfect every aspect of the growler: shape, insulation, lid, filling, pouring, storing—everything. Anything less, and we feel craft beer isn’t getting the respect it deserves.

More info on Brew-Tek Growlers : Contact Us or email