Since 2002, we manufacture Upflow limestone contactors of constant height for the remineralisation of desalinated waters, based on our internal research and development. Wide range of options to meet requirements from 70 m³/d  to 400.000 m³/d: vertical tanks in FRP, PP or SS316 and rectangular concrete cells. We have projects in Spain, Saudi Arabia, Australia, Japon, Chile, Perú, Bahamas, Oman, Tunisia, Marruecos...