During line cleaning, one of my heads came out cloudy, whilst every other head was clear.is this a sign of build up of yeast? How can I stop this?
If the line cleaner is cloudy, then there is a build up of yeast and is usually one the bitters. Depending which line cleaner you are using, draw fresh solution through a couple of times at 15 minute intervals until it pulls clear. Use this article as a reference How to clean keg beer lines