Pay in 4 interest-free payments of $8.00 Learn more
Ships within 48 hours · Estimated delivery Oct 27 - Nov 1
Calibration is simple with one push button on the meter and fresh Bluelab® Calibration Solutions
quality or yield
significant increases in overall harvest weight and market value
or once plants stop growing vertically
with water recycling equipment matching
HM Digital® Com-80s Measuring Calibration is simple with oneThe COM 80 is an economically priced, reliable EC TDS meter that is ideal for testing applications such as hydroponics & gardening, pools & spas, aquariums & reef tanks, water ionizers, drinking water and more. Measures electrical conductivity (EC), total dissolved solids (TDS). Excellent for hydroponic nutrient testing.
US$ 69.95
US$ 49.95
US$ 159.95
US$ 34.95
