Cleaning the mineral basket is carried out when a green down appears on top (coming from the exposure too much to the light of the fountain)
For this for fountains with magnetic system, open the basket and remove the white magnetic disc
Then boil water with a tablespoon of coarse sea salt
Bring to a boil. To put out the fire
Put the minerals in boiling salt water
Leave on 5 to 10 minutes
Then rub the minerals under tap water
Rinse the basket and minerals under tap water
On you have magnetic system you must replace the white disc inside the basket
Put the basket back in the fountain