Step 1 : Pull the safety seal and open the lid. The scoop is provided under the lid. Lift the tab, pull on the foil seal, carefully and safely remove the seal and dispose of it.
Step 2 : Wash hands well. Wash and sterilise all utensils according to manufacturers' instructions.
Step 3 : Boil 1 litre of fresh tap water. Allow boiled water to cool for no more than 30 minutes. Do not use artificially softened or repeatedly boiled water.