Weekly Beer Line Cleaning May Not Always Be Sufficient
Beer line  cleaning is  something that is a necessity for every business that serves cask or keg beer,  and in most cases it is deemed that it should be carried out once a week.
However, there is one company  that claims that it can clean your beer lines every four weeks and they will  still be clean when they return for the next clean four weeks later. However,  there is a proviso, and that is that this can occur "as long as the bar  staff carry out proper hygiene and follow the strict instructions" that  the company gives. Quite.
However, the company stated that  starting with a perfectly clean system was the secret to success. Carrying out  a weekly clean and flush if the system was not perfectly clean in the first  place would not work. It was described as being like cleaning a dirty kitchen  counter with a dirty cloth: it may look clean but still not be hygienic. 
One of the company's assessments  of a pub that was carrying out weekly beer  line cleaning showed that its' beer lines were not totally hygienic even  so. It had a heavy build-up of biofilm at the taps despite the weekly cleaning,  and sockets, couplers, and stained outer cases were also found. No doubt the  pub manager felt that he was doing everything the right way, but his beer line  cleaning still failed to meet the standards of hygiene required.
It seems that many pubs, bars,  and clubs don't even carry out the cleaning of small parts properly. It is  quite common to find the beer nozzles soaking in a pint glass of water, but  this is about the same as leaving dishes soaking in a sink overnight. They  wouldn't have somehow miraculously cleaned themselves by the following morning,  so in similar fashion, beer nozzles left to soak in water will not be perfectly  hygienic either. 
The need is for good staff  training, but many companies don't do this because they say that the staff will  soon move on in any case. However, if the beer lines are not perfectly cleaned,  the customers will soon move on as well. 

 
 
 
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