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By utilizing SWITCH during the first 2 weeks of flowering
77 EC calibration solution (50ml bottle)
Bluelab pH Probe KCI Storage Solution is made specifically for use with Bluelab pH products
AELH2 – Active Eye Green Lantern Headlight
The user can also set up each plug-in module to have multiple “conditions” that will activate the module
HM Digital EC/TDS HydroTester Model COM-80 Phive8 By utilizing SWITCH during theThe 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
US$ 100.28
US$ 42.94