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Plant Requirements

There are 3 basic types of pH testers
Drops
pH test drops
Strips
pH test strips
Meters
pH testing meters

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Tips for Growing Plants Successfully in Hydroponics


Hydroponic Plants
There's nothing better than growing your own fruits and vegetables in your own Hydroponic Garden.

Their are Six Hydroponic System Types



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Herb Requirements


The pH and electro-conductivity values specified here are given as a broad range. It should be noted that specific plant requirements will vary according to regional climatic conditions, and from season to season within that region. These values are intended for Hydroponic plants only (soil grown plants will differ). Electro-Conductivity (EC) or Conductivity Factor (cF) can be expressed as either milliSiemens (mS), cF, or parts per million (PPM) 1 mS = 10cF = 700ppm.


Herbs
Plants pH cF EC PPM
Basil 5.5-6.5 10-16 1.0-1.6 700-1120
Chicory 5.5-60 20-24 2.0-2.4 1400-1600
Chives 6.0-6.5 18-22 1.8-2.4 1260-1540
Fennel 6.4-6.8 10-14 1.0-1.4 700-980
Lavender 6.4-6.8 10-14 1.0-1.4 700-980
Lemon Balm 5.5-6.5 10-16 1.0-1.6 700-1120
Marjoram 6.0 16-20 1.6-2.0 1120-1400
Mint 5.5-6.0 20-24 2.0-2.4 1400-1680
Mustard Cress 6.0-6.5 12-24 1.2-2.4 840-1680
Parsley 5.5-6.0 8-18 0.8-1.8 560-1260
Rosemary 5.5-6.0 10-16 1.0-1.6 700-1120
Sage 5.5-6.5 10-16 1.0- 700-1120
Thyme 5.5-7.0 8-16 0.8-1.6 560-1120
Watercress 6.5-6.8 4-18 0.4-1.8 280-1260

As a general rule, plants will have a higher nutrient requirement during cooler months, and a lower requirement In the hottest months. Therefore, a stronger nutrient solution should be maintained during winter, With a weaker solution during summer when plants take up and transpire more water than nutrients.