TO BE USED IN THE CLOSING PROCEDURE OF DISPENSE LINES IN THE EVENT OF PUB CLOSURES. This Guardian Beer Line Protector has been specially formulated, to keep infrequently used beer lines clean and protected, for as little as a 1 week and as great as 6 months. It will prevent long term damage, bad odours, taints and poor appearance that can occur when water, alcohol and line cleaner is left in dispense lines. Simple to use just mix the correct amounts of Guardian powder and clean water in a cleaning vessel and introduce into the dispense lines. To change back to the chosen product, rinse the Guardian solution out with clean water and charge the lines with the selected drink. Made from food grade ingredients means that beer can be drawn through the lines after a simple cold water rinse, avoiding costly and time consuming cleaning. Guardian is used by stadiums, hotels, function rooms and public houses as part of there cleaning process.