For sterilisers you do need to descale this unit every 4 weeks, use 1
sachet with 150-200 mls of water. Take everything out of the unit, and
place the water and a the contents of te sachet and switch on for 2-3
Kettles: Half fill a kettle and boil, then empty 1-2 sachets
(10-20 gms) into the kettle and let it stand for about half an hour.
Reboil and pour away the water, reboil with fresh water and pour away.
The kettle is ready for use again.
Please refer to any manuals that came
with your appliances for specific usage about cleaning.