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Z7 is a super concentrated
of fertilizer per gallon of water
Fully waterproof
Active Aqua White & Black Tubing avoids these common issues
Hanna GroLine Monitor Inline Replacement Probe 300 Gallon Reservoir Z7 is a super concentratedThe 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
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