Pay in 4 interest-free payments of $8.00 Learn more
Ships within 48 hours · Estimated delivery Oct 28 - Nov 2
and soil vitality
Simply replace the old pack with a fresh one when the dot on the Replacement Indicator Card turns bright blue
quality or yield
an integrated flange
significant increases in overall harvest weight and market value
HM Digital® Com-80s Measuring and soil vitalityThe COM 80 is an economically priced, reliable EC TDS meter that is ideal for testing applications such as hydroponics & gardening, pools & spas, aquariums & reef tanks, water ionizers, drinking water and more. Measures electrical conductivity (EC), total dissolved solids (TDS). Excellent for hydroponic nutrient testing.
US$ 1051.50
US$ 567.50
