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and soil vitality
Auto-off function to extend battery life
or once plants stop growing vertically
significant increases in overall harvest weight and market value
Calibration is simple with one push button on the meter and fresh Bluelab® Calibration Solutions
HM Digital® Com-80s Measuring and soil vitalityThe COM 80 is an economically priced, reliable EC TDS meter that is ideal for testing applications such as hydroponics & gardening, pools & spas, aquariums & reef tanks, water ionizers, drinking water and more. Measures electrical conductivity (EC), total dissolved solids (TDS). Excellent for hydroponic nutrient testing.
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