What is the most common issue encountered in draft systems?

The most common issue encountered in draft systems is related to beer temperature. Proper temperature control is crucial for maintaining the quality of draft beer. If the beer is too warm, it can lead to excessive foaming and a poor pour, ultimately affecting the taste and overall drinking experience. On the other hand, if the beer is too cold, it can inhibit the release of aromas and flavors, also negatively impacting enjoyment.

Temperature issues can arise from various factors, including inadequate refrigeration, improper setup of cooling lines, or changes in ambient temperature that are not accounted for. Consistent monitoring and maintenance of the beer lines and keg storage can help in ensuring the beer is served at its optimal temperature, thus preventing the common problems associated with draft systems.

In the context of draft system management, the other potential issues, while significant, do not typically occur as frequently as temperature-related problems. Line obstruction might happen, but it is often less common in well-maintained systems. Lack of CO2 can certainly cause issues, but systems are usually tested to ensure proper pressure and gas supply. Inaccurate pressure readings can occur but are often addressed during regular system checks and maintenance. Thus, beer temperature stands out as the most pervasive concern affecting draft beer service.