HI 983302N-01 Gro’Chek EC Meter with 0.01 mS/cm resolution  Water resistant Low maintenance probes Hang right above the samples Probes designed  for horticulture and hydroponics applications This meter has been engineered with a host of features suited for the aggressive environments commonly found in agricultural applications. Housings and cable connections have been sealed against vapor and humidity. This EC meter comes with a probe specifically made for horticulture ... Read More »