It’s actually easier than you’d think to keep your custom growler clean! Growler experts recommend following these simple rules for keeping your custom growler clean and fresh, use after use:

• Rinse your custom growler with hot water. Fill it up, swirl it around, and dump out the water—a few times if you can.
• Dry your custom growler upside down so any leftover water will trickle out and not pool at the bottom.
• Store with the lid off to keep air circulating throughout the growler.