Water Condition Tester Pen Set pH + EC/TDS for Hydroponic Aquarium Pond hydroponic grow lights Join us on a journey

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Water Condition Tester Pen Set pH + EC/TDS for Hydroponic Aquarium Pond hydroponic grow lights Join us on a journeyWater Condition Tester Pen Set pH + EC TDS for Hydroponic Aquarium Pond This is a set of entry level economic water condition testers for hydroponics, aquarium, ponds, pools, etc general water condition checking. FUNCTIONS Checks pH, TDS, EC in water APPLICATION Hydroponic system Fish Tanks Aquarium Pools Any water storage requires water condition monitoring INCLUSION Tester Pens pH Calibration powder x 2 bags for pH tester Batteries User Manual