SOFT-SEL® guarantee SOFT-SEL® Produced under strict hygienic standards. Ecologically produced for 90 % with solar energy. Without chemical or other binding agents. Very pure and suitable for all types of water softeners. The hard and pure grain prevents high salt consumption and the formation of lumpy salt. The special and equal form of the grain improves the regular brine production and avoids agglomeration and clogging. Tested by internal and external laboratories.