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Reliable ppm chart for marijuana??

Discussion in 'Hydroponics / Aeroponics' started by Merlin85, Jun 4, 2009.

  1.  
    Dumme

    Dumme Well-Known Member

    I would say, test your testing equipment.
     
  2.  
    CobKits

    CobKits Well-Known Member Rollitup Advertiser

    fwiw i had been using oakton tds meters for decades and finally got around to calling them to get a definitive answer on what factor they use. they say every oakton meter that has ever been is 0.5 scale. i couldnt find that published in any of their literature
     
    sanjuan likes this.
  3.  
    Diskokobaja

    Diskokobaja Active Member

    Its ftom the box calibratet... i have turbo high hard tap water..
     
  4.  
    Dumme

    Dumme Well-Known Member

    Again, I would say test your equipment, as they sometimes come DOA and miss-calibrated.
     
    Budley Doright likes this.
  5.  
    Diskokobaja

    Diskokobaja Active Member

    I hear what you saying tho..
     

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