First time using my RO/DI system

Discussion in 'Filters, Pumps, etc..' started by ShawnsTank, Mar 11, 2010.

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  1. AZDesertRat

    AZDesertRat Giant Squid

    Joined:
    Jul 30, 2009
    Messages:
    3,904
    Location:
    Phoenix AZ
    The higher the pressure, up to about 90 psi anyway, the better. Higher pressure not only makes water faster it makes better water (lower TDS) since the membrane is more efficient at higher pressures. I run my booster pump between 90 and 100 personally and get over 110 GPD and at 99.35% rejection rate.