Hanna GroLine Monitor Replacement Probe DH4AS35FP Simply submerge the sensor in

Simply submerge the sensor in calibration solution and the meter will automatically detect the calibration standard (5

or they can be used for flowering by stacking the GMGP443 on top of this GMGP664

Grandevo uses the bacterium Chromobacterium subtsugae strain PRAA4-1T to provide long-lasting

broad-specturm contact insecticide

Hanna GroLine Monitor Replacement Probe DH4AS35FP Simply submerge the sensor inThe HI1285 8 multiparameter probe measures pH, EC TDS, and temperature in one convenient, rugged probe. Use with the HI981420 GroLine Monitor to provide around the clock, continuous monitoring of pH, conductivity (EC & TDS), and temperature in hydroponic nutrient solutions. One probe. Three measurements. Built in temperature sensor ensures fast, accurately compensated readings even during sudden temperature fluctuations. Specialized for hydroponics