Growlers are a convenient way to transport draft beer, but the freshness they maintain varies significantly by design. A standard 64 oz glass growler filled at a taproom can go flat or oxidized within 24–48 hours.
John Brewster
John Brewster
John Brewster is the homebrewer and writer behind BrewMyBeer — over a decade of all-grain brewing, 80+ BIAB batches, and 1,000+ guides on fermentation science, water chemistry, hops, yeast, and homebrewing equipment. Every guide is written from genuine hands-on experience.
- Beer Brewing
Review of Portable Beer Dispensers: Guide to Mobile Draft Beer Excellence
by John Brewster 4 minutes readPortable beer dispensers fill the gap between carrying bottles to an event and hauling a full kegerator.
- Equipment & Tools
Cleaning Hacks for Brewing Gear: Professional Tips and Time-Saving Tricks for Spotless Equipment
by John Brewster 4 minutes readCleaning brewing equipment is unavoidable but it doesn’t have to be as time-consuming as most homebrewers make it.
- Equipment & Tools
Best Bottle Cappers Reviewed: Guide to Professional Beer Bottle Capping Equipment
by John Brewster 4 minutes readA bottle capper is a piece of equipment that gets overlooked until it fails mid-bottling session — and a failing capper on batch 48 of a strong barleywine you’ve been planning for months is a memorable frustration.
- Equipment & Tools
Flip-Top Bottles vs Crown Caps: Guide to Choosing the Perfect Beer Bottle Closure
by John Brewster 4 minutes readFlip-top (Grolsch-style) bottles vs. crown cap bottles is a question every bottling homebrewer faces eventually. I’ve used both extensively and the answer genuinely depends on how often you bottle and how long you age your beer.
- Equipment & Tools
Review of Beer Bottling Machines: Guide to Efficient Beer Packaging Solutions
by John Brewster 4 minutes readBottling day is the least loved part of homebrewing — filling 48 bottles one at a time with a basic bottling wand takes 45–60 minutes and introduces multiple oxygen exposure events.
- Equipment & Tools
Best CO2 Regulators for Kegging: Guide to Perfect Draft Beer Pressure Control
by John Brewster 4 minutes readA CO2 regulator is the piece of equipment that controls the pressure delivered to your kegs — and a bad regulator makes kegging frustrating in ways that are hard to diagnose.
- Equipment & Tools
Best Digital Timers for Brewing: Guide for Accurate Brew Day Control
by John Brewster 3 minutes readA digital timer costs $8 and it’s the most consistently useful piece of equipment on my brew stand. Brewing is a time-sensitive process with a half-dozen concurrent timers running simultaneously — mash rest, hop addition countdowns, boil duration, wh
- Equipment & Tools
Review of Portable CO₂ Chargers: Guide to Convenient Carbonation for Homebrewers
by John Brewster 3 minutes readPortable CO2 chargers fill a specific gap in the homebrewing equipment lineup — situations where you need CO2 but can’t or don’t want to bring a full 5 lb cylinder.
- Equipment & Tools
Essential Tools for All-Grain Brewing: Equipment Guide for Superior Beer Production
by John Brewster 4 minutes readAll-grain brewing produces better beer than extract for one fundamental reason: you control the entire sugar profile from the grain, which means full control over body, fermentability, color, and flavor in ways that malt extract doesn’t allow.