Pure Aqua, Inc. designs and manufactures water treatment systems in addition to industrial seawater reverse osmosis systems. In December 2013, Pure Aqua successfully manufactured and supplied a seawater reverse osmosis system to a major company in Mexico. The system came complete with chemical pretreatment consisting of antiscalant. The system was designed to produce 112,000 GPD from a seawater feed and is controlled by PLC. For more information click here: http://www.pureaqua.com/industrial-seawater-reverse-osmosis-swi-series.html