GRAMICID-MP (MEMBRANE PRESERVATIVE) We, U.S.STERILES are engaged in manufacturing “Membrane Preservatives” for R.O Plants.It is based on Oxygen Scavenger.To prevent biological growth, it is recommended that systems and membranes are disinfected and preserved during storage, shipping, or system shutdowns.U.S.Steriles has formulated its own proprietary membrane care chemicals for preserving and disinfecting of membranes without flux or performance loss.These products are a result of over years of hands-on experience of our engineers and chemists.