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hydrobuddy question

Discussion in 'Hydroponics / Aeroponics' started by shambler, Feb 3, 2018.

  1.  
    shambler

    shambler Well-Known Member

    what ppm scale does hydrobuddy use 500 or 700?
     
  2.  
    ZxcStaz

    ZxcStaz Active Member

    The ppm's for the nutrients are mg/L (if H2O density = 1) or mg/Kg. The EC estimates can be converted to TDS (x500) or ppm's (x700). Personally, I make a hot profile and dilute to my required EC/ppm. hth.
     

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