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See the Nutrient FAQ's for help with the chart.
The pH and electro-conductivity values specified here are given as a range. It should be noted that specific plant requirements will vary according to climatic conditions, and from season to season within that region.
For easy growing reference, plants that share abroad range groupings of low, medium, high can be grown together using the name nutrient electro-conductivity, proving a middle ground cF is adopted.
Electro - Conductivity Chart
Electro - Conductivity (EC) or Conductivity Factor (cF) can be expressed as either millisiemens (mS), cF or parts per million (ppm).
Example: 1mS = 10cF = 700ppm