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Pocket Digital Nutrient Testers

You are here:   Hanna Catalogue > Hydroponics Info Pages > Hydroponic Nutrient Levels
Hydroponic Nutrient Levels

The average concentration of the elements, or nutrients, reqruied for plant growth should fall within these parameters:-

Nitrogen (nitrate form) 70 -300 ppm
Nitrogen (ammonium form) 0 -31 ppm
Potassium 200 -400 ppm
Phosphorous 30 -90 ppm
Calcium 150 -400 ppm
Sulfur 60 -330 ppm
Magnesium 25 -75 ppm
Iron 0.5 -5.0 ppm
Boron 0.1 -1.0 ppm
Manganese 0.1 -1.0 ppm
Zinc 0.02 -.2 ppm
Molybdenum 0.01 -.1 ppm
Copper 0.02 -.2 ppm

NB: ppm = parts per million


Hydroponics
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Elements needed for Plant Growth

Hydroponic Nutrient Levels

What & why is EC important?


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