GRAN STON – Concentrated liquid based on phosphoric acid for descaling devices in gastronomy (boilers, boilers, steamers, dishwashers), sanitary facilities (washbasins, shower trays), swimming pools and automatic washing machines. Perfectly removes limescale deposits formed due to high water hardness. Odorless.
On average, use a concentration of 10-100 ml / 1 liter of water.
Duration of action is 15-30 minutes.
After descaling, rinse the device thoroughly with clean running water.
Repeat if necessary.






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