Essentials pH and EC Meter Pen Bundle Nutrient Management Control Hydroponics control freak We use a unique combination

We use a unique combination of mineral elements and bio-stimulants in this two part formula

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together with humic acids

they are everything you need in one compact box

Essentials pH and EC Meter Pen Bundle Nutrient Management Control Hydroponics control freak We use a unique combinationItem Description The ESSENTIALS pH And EC Meter Pen Bundle Nutrient Management The ESSENTIALS pH Meter is truly the most rugged glass type pH tester around. It is water and drop resistant. Even if the tester is accidentally dropped into the water, it will remain afloat. This means you are able to retrieve the meter immediately without damaging the electronics. It is easy to use as you can just dip the sensor into the test solution stir and wait. This