Directions for Use - Kettles:
Fill kettle with warm water and add 125ml of Kettle & Shower Head Descaler. IMPORTANT: Do not switch on or heat the kettle.
Wait until fizzing has stopped or at least 4 hours. If scale persists, repeat action.
Empty kettle, refill with clean water and boil. Empty and rinse thoroughly before use
Directions for Use - Shower Heads:
Add 125ml of the bottle to 350ml of warm water in a bowl.
Immerse shower head into the solution until the scale has gone.
Rinse both shower head and bowl before re-use.