Do you fill outside growlers? September 23, 2021 17:46 Updated We fill all Bell's growlers and blank growlers, as long as they are clean. Please note that we do not have an in-house "growler cleaning" station and we have the right to refuse any dirty growler. Related articles How long will a mini keg last once it has been opened? How to open a mini keg What is the best way to store your beer? Are your mini kegs compatible with counter-top dispensing systems? Returns, Exchanges & Gift Cards