GroLine pH/EC/TDS Multiparameter Probe (Inline) coco-cubes The NextLight Veg8 Switch is

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GroLine pH/EC/TDS Multiparameter Probe (Inline) coco-cubes The NextLight Veg8 Switch isThe HI1285 9 inline multiparameter probe measures pH, EC TDS, and temperature in one convenient, rugged probe. Use with the HI981421 GroLine Monitor to provide around the clock, continuous monitoring of pH, conductivity (EC & TDS), and temperature in hydroponic nutrient solutions. In line pH, EC, & TDS probe with exclusive PTFE non clogging membrane. Built in temperature sensor ensures fast, accurately compensated readings even during sudden