[. . . ] 2 Preparing the water filter cartridge a) mmerse the cartridge upside down in cold I water and press it delicately on the sides to remove any air bubbles. [. . . ] €¢ For hygienic reasons, the material of the water filter cartridge is subjected to a special treatment with silver. A small quantity of silver, which is harmless to health, may be passed into the water. This is in compliance with the World Health Organisation (WHO) recommendations for drinking water. Product description and benefits • Note for people with kidney disease or dialysis patients: during the filtration process, the potassium content may be increased slightly. If you suffer from kidney disease and/or follow a potassium restricted diet, we recommend prior agreement with your doctor. The amount of released potassium in 1 litre of filtered water is lower than potassium contained in either an apple or a banana. €¢ As water is a foodstuff, the water in the tank must be used up within 1 to 2 days. €¢ Should your coffee machine not be in use for a prolonged period (e. [. . . ] Com/saeco Contact information for your local distributor can be found on the warranty card of your Philips Saeco machine or on the following website: www. [. . . ]