... The residual serves as an excellent biocide, which prevents membranes from bio-fouling.Acid Dosing SystemOne metering injection systems will ... construction, 1000 psi rating.2. Membranes: Dow Filmtec or Fluid Systems seawater, TFC membranes.3. High pressure RO Pump: On ... SystemIncludes high flow pump, 316 SS, heater. It cleans membranes when needs, extends membrane life. Use chemicals for cleaning. ...