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Replacement probe for EC Monitor Black Line of Platinium Instruments
Here is a spare EC probe from the brand Platinium Instrumentsthis probe is indispensable for hydroponic cultivation and useful for cultivation on soil to measure the Electro-Conductivity of your nutritive solution. Very useful to avoid overloading your crop with fertilizer. Generally, EC measurements range from 0.8 to 1.4 during the vegetative stage, from 1.4 to 1.6 during pre-flowering and finally from 1.6 to 2.2 on average.
Requires EC monitor, available here