Does it have to be 0 TDS?

Discussion in 'General Reef Topics' started by Green_Clavulari, Jan 16, 2013.

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  1. Green_Clavulari

    Green_Clavulari Spaghetti Worm

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    I got my RO/DI unit. It reads 4-5 ppm. Does it really need to be 0 TDS?

    Thanks
     
    Last edited: Jan 16, 2013
    Green_Clavulari, Jan 16, 2013
    Green_Clavulari, Jan 16, 2013
    #1

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  2. maxcanada

    maxcanada Astrea Snail

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    yess
     
    maxcanada, Jan 16, 2013
    maxcanada, Jan 16, 2013
    #2
  3. MrFolgers

    MrFolgers Spanish Shawl Nudibranch

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    MrFolgers, Jan 16, 2013
    MrFolgers, Jan 16, 2013
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  4. gcarroll

    gcarroll Zoanthid

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    No, 4-5 is fine. O is better but 4-5 is acceptable. Many people run RO without DI and don't worry. I would tell you what mine is but I don't want you to let your guard down.
     
    gcarroll, Jan 17, 2013
    gcarroll, Jan 17, 2013
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  5. cosmo

    cosmo Giant Squid

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    +1 0 is ideal, mine runs around 2 after a 100 gallons or so and its fine IMO
     
    cosmo, Jan 17, 2013
    cosmo, Jan 17, 2013
    #5
  6. Green_Clavulari

    Green_Clavulari Spaghetti Worm

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    Thanks for everyone's response. I've been reading and researching about this, and some people say it "HAS TO" be 0, some people say acceptable if below 5.

    Thanks gcarroll. Yeah, I thought 4 is pretty good, in comparison to 156 ppm coming in from my tap. But people say it's not good enough.
     
    Green_Clavulari, Jan 17, 2013
    Green_Clavulari, Jan 17, 2013
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  7. Green_Clavulari

    Green_Clavulari Spaghetti Worm

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    Have you had issue with 2ppm?
     
    Green_Clavulari, Jan 17, 2013
    Green_Clavulari, Jan 17, 2013
    #7
  8. cosmo

    cosmo Giant Squid

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    nah maybe a touch of cyano in my sump, but my DT is too clean, I'd love to grow a little algae in there for my cuc but can't, my tangs eat it before it even shows up
     
    cosmo, Jan 17, 2013
    cosmo, Jan 17, 2013
    #8
  9. cosmo

    cosmo Giant Squid

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    honestly, I know theoretically 0 is ideal and should be obtained, but 2-5, come on, thats nothing IMO, I'll wait for AZdesertRat to refute this, but I'm fine with it. I run my DI resin forever though, but if my tanks happy, I'm happy
     
    cosmo, Jan 17, 2013
    cosmo, Jan 17, 2013
    #9
  10. Green_Clavulari

    Green_Clavulari Spaghetti Worm

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    Thanks Cosmo. When I've done my research, I came across AZdesertRat comments in different forum. I am pretty sure, he's going to say 0 ;D
     
    Green_Clavulari, Jan 17, 2013
    Green_Clavulari, Jan 17, 2013
    #10
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