Good water quality is an objective shared by all, in terms of drinking water and the water needed to carry out daily activities. Water quality must be monitored and certified, starting from its composition when it is taken from the aquifer or source. The presence of mineral salts in the water causes the formation of limescale and all the problems it causes to pipes, taps and dispensers or household appliances. A potential problem that needs to be solved, using softeners in domestic contexts and even further afield, to minimize or prevent the formation of limescale, extending the average life of washing machines and dishwashers, facilitating the maintenance and cleaning of taps and shower cubicles, while limiting the use of soap and detergents. For drinking water, we propose a series of filtering devices that can also provide sparkling water if required. A virtuous cycle that helps to minimize the production and disposal of plastic bottles.