Essentials pH and EC Meter Pen Bundle Nutrient Management Control Hydroponics Lifetime: 24

Lifetime: 24

and blooming phases

Keeps irrigation system cleaner and running efficiently longer

5 pH (which is pretty much everyone

Adds UVA (385 nm) to the grow light spectrum

Essentials pH and EC Meter Pen Bundle Nutrient Management Control Hydroponics Lifetime: 24Item 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