Ready for a batch of scrumptious homebrew to correctly carbonate can really feel infinite, just like the wait between Star Wars sequels. But when you understand how to keg homebrew, pressure carbonating beer can reduce that point significantly.

Getting began is simple. And like the remainder of the homebrewing course of, yow will discover and use a number of strategies for pressure carbonating beer that meet your schedule, funds, and wishes.

How Power Carbonation Works

It would sound such as you’re harnessing Jedi powers to bubble up your brew, however pressure carbonation is basically only a quick and straightforward different to conventional strategies.

As an alternative of ready to your homebrew to situation within the keg, or for priming sugar to bottle-condition your brew, you inject CO2 instantly into your beer from a gas cylinder.

Fed by a line into the keg, the gasoline dissolves into your beer. Relying on the strategy you utilize, you might be consuming your beer in mere hours as a substitute of weeks.

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CO2 is Greatest Served Chilly

Temperature performs a vital function in pressure carbonating. The decrease the temperature, the extra rapidly CO2 dissolves into your homebrew, and the decrease the amount of gasoline you’ll want to achieve the correct quantity of carbonation. Ideally, you’ll carbonate your beer on the similar temperature you’ll be serving it.

You should use a pressure carbonation chart to decide on the right amount of pressure to realize the goal quantity of CO2 to your beer. (Click on chart to enlarge)


Give it a Relaxation: Coping with Diacetyl

Whereas velocity is the secret when pressure carbonating beer, incorporating a diacetyl rest into your brew schedule is necessary, particularly for lagers. Diacetyl is a compound naturally produced by all yeasts, and an excessive amount of of it may give your beer a cool, dairy-heavy taste.

It may be tempting to go straight from the fermenter to the keg for carbonation. However for those who carbonate too quickly, you may end up with a beer that doubles as popcorn topping.

Let your homebrew relaxation for a day or two after it’s reached its closing gravity. Then chill it to serving temperature earlier than carbonating. This may give the lingering yeast in your beer time to transform a number of the diacetyl they’ve produced into flavorless compounds and aid you keep away from buttering up your brew whenever you carbonate.

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Tools for Power Carbonating Beer

Getting began with pressure carbonation requires just a few items of normal tools. Midichlorians and light-weight sabers are non-obligatory, however superior.

You’ll want:

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Strategies for Power Carbonating Beer

Relying on how quickly you need to drink your beer, and the way predictable you need the outcomes to be, you’ll be able to select certainly one of three approaches to pressure carbonating beer.

Setting apart your keg at a set strain takes the longest, however is essentially the most predictable. Shaking your homebrew beneath excessive strain yields quick outcomes, however can create overcarbonation. And an inline carbonator requires extra tools, however balances the 2 different strategies to create a purposeful compromise.

Earlier than You Start

Whichever technique you select, begin issues off proper. Sanitize all of your gear with a high quality brewing sanitizer, and work in an space the place it’ll be simple and secure to scrub up any leaks or spills.

The essential preparation for 2 of the three strategies is similar.

First, set up a ball-lock conversion fitting to your kegerator strains, if vital. This may allow you to use each ball-lock kegs and standard kegs with out having so as to add strains.

Second, you’ll do a little bit of tinkering along with your keg’s posts. Homebrew kegs have two posts. One is for including gasoline, and one is for allotting liquid. The dispenser put up is hooked up to an extended tube working all the best way to the underside of your keg.

Usually, the gasoline added via the gasoline put up pushes down on the liquid because the keg empties, making it simpler to get all of your beer out of the keg.

Whenever you carbonate, the method is reversed since you need to push gasoline, not pull liquid. You’ll be sending CO2 gasoline down into the keg via the dispenser put up. The gasoline will rise from the underside of the keg and dissolve into your beer. Pushing the gasoline up from the underside will increase effectivity, dashing up carbonation.

Take away the gasoline socket from the gas line. Set it apart. Take away the liquid socket from the liquid line, after which connect it to the gasoline line. The keg’s sockets are made to suit their respective posts solely. Swapping them enables you to push gasoline via the liquid line.

The ultimate step is to activate the gasoline and test for leaks. Dial your gasoline cylinder to five psi. Verify for any leaks within the keg lid, the kegerator line, and across the dispenser put up.

Tip: You may test for leaks with a sprig of brewing sanitizer resolution. Seen air bubbles will aid you observe down any leaks.

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Set It Apart: Sluggish and Dependable

This technique is ideal for those who’re seeking to drink your homebrew in only a few days as a substitute of ready two weeks (or extra) for it to situation within the keg.

Utilizing the keg’s strain launch valve, bleed off some CO2. Hear for each the hiss of gasoline and the sound of effervescent. These sounds imply the gasoline is flowing correctly from the cylinder via the regulator and gasoline line, and making its method via the tube earlier than rising as much as carbonate your beer.

If you happen to’re listening to the good things, set your gas regulator to the really helpful strain to your recipe and serving temperature. Permit the keg to carbonate in your kegerator for 3 to 4 days, then check it. You might must let it carbonate for as much as ten days, relying on the recipe you utilize and the model of beer you’re brewing.

Necessary: Don’t neglect to swap your gasoline and liquid strains again to their correct locations, and regulate your CO2to serving strain, earlier than testing.

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Shake Issues Up: Quick However Unpredictable

For this technique, you’ll be setting metaphysical concerns apart, younger Padawan. You and your folks are thirsty, and it’s time to shake a leg. And a keg.

Observe the identical steps as within the sluggish technique to attach your gasoline provide to the dispenser tube in your keg. Check it for leaks, then flip the strain as much as 30 psi.

Holding your keg firmly, shake it gently. Hear for the sound of effervescent because the beer sloshes round inside. Don’t fear, you’re not about to shotgun this keg. You’re truly accelerating the speed of diffusion by bringing extra CO2 into contact with extra of the beer.

Shake your keg for 20 minutes, stopping each four minutes to hearken to the keg. The bubble sound ought to cease after just a few seconds on the finish of the shaking interval. This implies the CO2 is dissolving into your beer. Decrease the strain to 20 psi. Wait an hour or two to let it settle, then check your beer.

Necessary: As with the sluggish technique, don’t neglect to swap your gasoline and liquid strains again to their correct locations, and regulate your CO2to serving strain, earlier than testing.

Whereas your beer will possible be drinkable in only a few hours, it’s necessary to notice that pressure carbonating beer utilizing this technique enormously will increase your probabilities for an overcarbonated brew.

If you happen to discover you’ve overdone issues only a bit, you need to use your keg’s strain reduction valve to decrease the strain and permit the beer to launch a number of the gasoline again into the keg. Then you’ll be able to set your beer to the correct strain stage to your particular brew and let it proceed to carbonate over the following two to 3 days.

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Burst Carbonation

This idea is just like how a Soda Stream carbonator works. If you happen to hit your kegged homebrew with excessive CO2 strain, it’ll carbonate extra rapidly with out you having to shake the keg.

To burst carbonate your homebrew, crank up your CO2 regulator to 30 psi for 24 hours. Then cut back right down to regular serving strain, which is round 12 psi to15 psi (relying in your beer line size and altitude). That ought to depart your beer 75% carbonated. It ought to take one other three to four days to achieve peak carbonation.

Burst carbonation has a couple of execs and cons:


  • quicker carbonation
  • carbonation can happen in or out of the keezer or kegerator
  • it’s quicker than the set-aside technique


  • elevated threat of overcarbonation
  • the additional strain will increase the chance of CO2 leaks
  • it’s slower than the shake technique

If you happen to resolve to make use of this technique, a burst carbonation chart will aid you decide how lengthy to carbonate at totally different strain ranges.

Burst Carbonation Chart

Power Carbonating Beer with an Inline Carbonator

Combining the velocity of the shake technique with the predictability of the sluggish strategy, an inline carbonator provides you the very best of either side of the, er, pressure.

It incorporates a nifty little gadget referred to as an aeration stone, additionally known as an air stone, to include the CO2 into your beer rapidly and effectively.

You may acknowledge aeration stones for those who personal a fish or develop your individual tomatoes on a windowsill. They’re used to dissolve gases and vitamins into water for aquariums and hydroponics.

Some commercially produced inline carbonators use particular chrome steel aeration stones that last more and are simpler to take care of than conventional ones.

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As an alternative of following the steps outlined within the different two pressure carbonation strategies, you merely add the inline carbonator to your setup and pump your beer via. Your brew will likely be carbonated and able to drink in as little as 30 minutes. This technique additionally retains your brew from overcarbonating right into a foamy mess.

An added bonus of utilizing an inline carbonator is that it doubles as a wort aerator. You should use it so as to add oxygen to your wort earlier than fermentation to assist your yeast thrive.

You should purchase an inline carbonator, in fact. Or, for those who’re the kind of homebrewer who prefers to craft your individual protocol droids, thanks very a lot, you’ll be able to build one yourself.

Why Wait When You Can Have Your Beer Now?

Power carbonating beer is the right resolution whenever you’re in a rush to get pleasure from your homebrew. Armed with the suitable gear and methods, you’ll be able to have your newest batch able to serve and savor in much less time than it took the Millennium Falcon to do the Kessel run—or not less than, quicker than ready on Mom Nature.

Joyful Brewing!