Water Chemistry and Allied Services supplies RO membranes for seawater and brackish water. The brackish water RO membranes are the most commonly used in our region. Brackish water is water with salinity levels between seawater and fresh water. Membranes from LG are able to serve various municipal and industrial applications. Popular applications for our brackish water membranes include Industrial water production, Ultra pure water, waste water treatment and reuse and potable water.