Hydro Axis EC Pen Tester

$45.00

MEASURES THE QUANTITY OF NUTRIENT IN YOUR RESERVOIR.    The HYDRO AXIS EC (Electrical Conductivity) Pen accurately tests the quantity of dissolved mineral salts in your reservoir allowing you to know exactly how much hydroponic nutrient to use for optimal plant results.   This is a good quality EC pen & very easy to calibrate.

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Recommended EC for common vegetables as follows.   Note (Half this amount for seedlings)

  • Beans         EC1.8 – 2.2
  • Brocolli       EC2.8 – 3.5
  • Capsicum   EC1.8 – 2.2
  • Celery         EC1.8 – 2.4
  • Cucumber   EC1.7 – 2.5
  • Eggplant     EC2.5 – 3.5
  • Lettuce       EC0.8 – 1.2
  • Pak Choi    EC1.5 – 2.0
  • Spinach      EC1.8 – 2.3
  • Tomato       EC2.0 – 5.0
  • Zucchini     EC1.8 – 2.4

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