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Ships within 48 hours · Estimated delivery Sep 2 - Sep 7
hydroponic plants
no calibration required
This CO2 Rain® System includes 25 ft of laser-drilled 1/8 in tubing
225 and 506 (#700819
If you haven't heard of mycorrhizae
HM Digital EC/TDS HydroTester Model COM-80 Size:HM Digital Water Resistant Ec/TDS Meter w/ Temperature in C/F Hydrotester (Model COM-80) hydroponic plantsThe 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 nutrient testing. Four scales: EC: S, mS; TDS: ppm, ppt. This tester has automatic temperature compensation (ATC) and is water resistant. Measurement range: 09990
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