water softener system; home use; water softener system, can reduce household water hardness, remove iron, lead, rust and dirt stains, to reduce ... food-grade resin to ensure the quality and safety of a double standard to soften2, the effective removal of lead and ... and magnesium ions, comprehensive family life, water softening3, high density PE salt pot, a double reinforcementcapacity: 0.2t/h to 3t ...