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Why is my beer flat?

There are many reasons why beer pours flat. Here are the main causes, along with some tips for solving the problem:

Possible causes

Solution

The beer is too warm

The cellar or line cooling system may not be working properly, so: check and adjust the cellar or line cooling equipment, call your brewery if there is a persistent problem. See 'The Importance of Temperature'.

The glasses may be dirty

Your glass washer may not be working properly

You may not be using the right gas mixture for the product

See' Which Gas Should I Use'