Flat beer is a buzzkill. Whether you’re serving beer at home or supplying a busy bar, your kegerator’s performance depends on one thing: the CO2 tank and regulator setup. Not all tanks are created equal. Poor-quality gear can lead to leaks, pressure inconsistencies, or even carbonation failure. I’ve worked with dozens of CO2 system setups through my own company Alizeecyl, supplying gas tanks to bars, retailers, and homebrew specialists worldwide. After speaking with experts and combing through user reviews across Reddit, MoreBeer, and homebrew forums, here’s my list of the Top 7 brands you should know about in 2025. Table