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Activity Forums Equipment Recommendations Bluelab PH pen questions:

  • Bluelab PH pen questions:

    Posted by GroBunny on April 4, 2021 at 1:05 pm

    .Do you need the EC 2.77 calibration bottle or is it okay to just buy the 7.0Ph and 4.0ph bottles?

    .I’m assuming it’s fine to buy less expensive brands as long as they’re 4.0 and 7.0?

    oneeyedcatcannabis replied 3 years, 1 month ago 2 Members · 1 Reply
  • 1 Reply
  • oneeyedcatcannabis

    April 22, 2021 at 9:56 am

    The EC 2.77 is not for the Ph pen all you need to calibrate the Ph pen is the 4.0 and 7.0

    the 2.77 is for their Electrical Conductivity pen that measures EC or Ppm