Particularly expensive product. Its price should be reduced to 7 instead of 12.90. The cost of a CO2 charging 40 to 50 liters of sparkling water is downright prohibitive (between 0.27 and 0.60 per liter depending on the consumed CO2). This monopoly really costs too much to the user. It is time that competition is developing rapidly. Technically there are no faults.
