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quality or yield
and soil vitality
leafhoppers
Ingredients
Auto-off function to extend battery life
HM Digital® Com-80s Measuring quality or yieldThe 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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