Measurements PH-EC- etc

PH and EC measuring instruments are essential for professional growers. A distinction is made between portable and stationary devices. The PH value can also be measured with liquids, but these are not as accurate as devices with electrodes.

Ph-Meter: PH meters are necessary to correctly adjust the PH value of the water. This is necessary because most of the fertilizers the plant needs are available at a value of 5.8 - 6.2. A too high or too low pH value leads to deficiency symptoms in the plant. Acids lower the water to the required level.

EC meter: The salt content in the water is measured with an EC device. Precise fertilization is not possible without an EC device.
The data on the fertilizer schemes of the various fertilizer manufacturers are usually only average values, so fertilizing per EC value is a completely different league. The following values can be remembered as reference values:

  • On soil: cuttings between 0.8 and 1.2 EC; in the vegetative phase between 1.2 -1.5 and in the flowering phase between 1.5 and 2.0

  • On hydro: cuttings between 0,8 and 1,2 EC; in the vegetative phase between 1,2 -1,6 and in the flowering phase between 1,6 and 2,4

It must be taken into account that each variety bears and needs a different EC value. As a basic rule, Sativas need lower EC values and Indicas need higher EC values.

It should also be noted that each water has a basic EC value. Apart from rain, osmosis and distilled water, these waters have an EC value of 0.

Measuring instruments: PH, EC, Miscellaneous

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