If you often encounter the problem of your growler going flat before you’re done with it, an investment in a new product called a “TapIt Cap” might be worthwhile. The TapIt Cap is a device that fits over any standard growler, and keeps the beer contained within it both fresh and carbonated.
It also has an attachment for a CO2 canister, tap, and tap handle, so it can turn any growler into a portable keg, making it yet another fine product for the serious beer drinker.
If you’d like to try a TapIt Cap for yourself, head to the product’s Kickstarter page here, where they go for $45 (you can also choose to donate more or less to the project).