R/O vs RO/DI what to choose.

Discussion in 'General Reef Topics' started by dustin0479, Feb 2, 2011.

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  1. dustin0479

    dustin0479 Peppermint Shrimp

    Joined:
    Jan 31, 2011
    Messages:
    416
    I am on city water. I just started my tank using tap water but moving forward I want to avoid this.

    Is there any real difference between using RO and RO/DI for a reef tank?

    Would this unit be sufficient?
    Captive Purity 35 GPD Compact RO
     
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  3. Bloodkip

    Bloodkip Ritteri Anemone

    Joined:
    Mar 21, 2010
    Messages:
    642
    Location:
    AZ
    ro/di, DI will get you down to 0tds.