PH and Ec controllers
The pH or Ec controllers maintain the level of acidity (pH) and electro-conductivity (Ec) of the irrigation water automatically.
If you control these values of your irrigation water, your plants will feed much better and develop faster and stronger.
It is very important to control the pH and the Ec in hydroponic culture systems since the roots of the plants are in the air and are very sensitive to abrupt changes of acidity or Ec.
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