Mix 50 ml of solution to1/2 litre of water Auto Frothers : run solution through frothing device and repeat with fresh water twice. Soak all milk lines and frothing components once a week for up to 30 minutesand rinse thouroughly afterwards. Steam Wands: steam solution in a milk jug as you would milk. Turn steam on & off over a one minute period allowing the solution to work its way up the steam arm. Repeat process twice with fresh water. each container = 250ml concentrate