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6400° K lamp
Excellent for nutrient testing
Waterproof floor features a second floor that is removable for easy cleaning between crops
use these refill plugs to reload your Perfect Plug Tray® brand starter tray
insert bulk head fitting
HM Digital™ EC/TDS HydroTester Model COM-80 Cycle Timer 6400° K lampHM Digital EC TDS HydroTester Model COM 80 The 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
US$ 70.00
US$ 60.00
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US$ 144.00
