10 ppm (700 ppm) and 1C/1F
easy-to-use formula for the hobbyist and professional gardener
000 gallons for 16 months
union and roll of pink Teflon tap
or where frequent leaching is required
HM Digital Water Resistant Ec/TDS Meter w/ Temperature Plant Care & Nutrients 10 ppm (700 ppm) andThe 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; mS; TDS: ppm, ppt. This tester has automatic temperature compensation (ATC) and is water resistant. Measurement range: 0 5000