kegking.co.za

01

Why Homebrewers Switch to Kegging

Bottling is time consuming. Every bottle needs to be cleaned, sanitised, filled, capped and labelled, and the beer needs extra time to carbonate naturally in the bottle. Kegging removes most of these steps. Once the beer is in the keg, carbon dioxide from a gas cylinder does the carbonating work, usually within a few days, and the beer can be served immediately once it reaches the right pressure and temperature.

For South African brewers, kegging also suits the climate. Warmer average temperatures mean beer stored in glass bottles at room temperature can carbonate unevenly or develop off flavours faster. A kegging setup, especially one kept in a fridge or temperature controlled space, gives far more consistent results.

02

The Core Components of a Home Kegging System

Every home kegging setup, regardless of size or budget, is built from the same basic parts:

• The keg itself, usually a stainless steel Cornelius style keg (commonly called a corny keg) or a larger commercial style keg repurposed for home use.
• A carbon dioxide cylinder, which supplies the gas used both to carbonate the beer and to push it out of the keg when pouring.
• A regulator, fitted to the CO2 cylinder, which controls how much pressure is applied to the keg.
• Gas and liquid lines, flexible tubing that carries gas into the keg and beer out of it.
• A tap or faucet, where the beer is finally dispensed.

Some setups add a dedicated fridge or chest freezer, often called a kegerator, to keep the beer at a stable serving temperature. Others simply keep the keg in an existing fridge and use a picnic tap or party tap for serving.

03

Force Carbonating Versus Natural Carbonation

There are two common ways to carbonate beer in a keg. The first is force carbonation, where the keg is connected to a CO2 cylinder at a set pressure and left for a few days, sometimes helped along by shaking or rocking the keg to speed up gas absorption. The second is natural carbonation, where a small amount of sugar or unfermented wort is added before sealing the keg, and the yeast still in the beer produces the carbon dioxide itself, similar to bottle conditioning but inside a sealed keg.

Force carbonation is faster and gives more predictable results, which is why it is the method most home kegging systems are built around. Natural carbonation in a keg can work well too, particularly for brewers who prefer a more traditional process, but it takes longer and requires more careful attention to timing.

04

Serving Temperature and Pressure

Getting a clean pour from a keg depends on balancing two things: the temperature of the beer and the pressure applied to it. If the pressure is too high relative to the temperature, the beer will come out excessively foamy. If it is too low, the pour will be flat and slow. Most styles of beer are served somewhere between 2 and 10 degrees Celsius, with pressure adjusted to match. Because ambient temperatures vary more in South Africa than in cooler climates, many home brewers find it worth investing some time in understanding how their particular fridge, tubing length and tap type affect the final pour.

05

What This Site Covers

The following pages go into more depth on two areas that cause the most confusion for people setting up their first home kegging system: gas regulation and pressure control, and keeping kegs and lines clean so that beer stays fresh and free of off flavours. Both topics are central to getting consistent, good tasting draft beer at home.

06

Who This Site Is For

This is an independent information resource, not a retailer or supplier. It is written for homebrewers, craft beer hobbyists and anyone curious about how draft systems work, whether you are planning your first keg setup or trying to troubleshoot an existing one. The aim is to explain the mechanics clearly so that decisions about equipment and process are based on understanding rather than guesswork.