Why must draft lines be cleaned regularly?

Cleaning draft lines regularly is crucial to preventing bacterial infection. Over time, residue from beer, such as yeast, hop oils, and proteins, can build up in the lines and create an environment conducive to bacterial growth. If not properly cleaned, these contaminants can spoil the beer and lead to off-flavors or undesirable aromas, affecting the overall drinking experience.

While enhancing flavor, reducing foaming, and maintaining temperature are important factors in serving quality beer, they are secondary to the necessity of hygiene in the draft system. Bacteria or other microorganisms can flourish in improperly maintained lines, leading to health risks and compromising the quality of the beer served. Regular cleaning helps to ensure a pure, consistent, and enjoyable product for consumers.