Used Di Resin

Discussion in 'Tutorials & DIY' started by chilt69, Mar 10, 2013.

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  1. chilt69

    chilt69 Active Member

    Dec 29, 2012
    Likes Received:
    Don't dump your used DI resin after changing it, keep hold of it.

    I have a 10" filter housing, with a refillable catridge which I fill with the spent DI resin. I have this after my pre-filters, and even though the resin is "spent" it will lower my TDS reading from around 270ppm to somewhere between 70 - 150ppm before going into my first DI vessel (I have a twin DI set up as I only use 400L a week).

    It might only last a couple of tanks before I need to refill the cartridge again, but anything which extends the life of my DI has to be worth it.
  2. OoO

    OoO Guest

    A lot of guys do twin di vessels.

    Nice tip though!!!!