Hanna GroLine Monitor Inline Replacement Probe NPK Industries Leaves virtually no residue on

Leaves virtually no residue on plant foliage or flowers

The Quest Dual 155 was designed to be placed overhead and out of the way

case of 20 104-Cell Sheets

• Backed by Apera's Swiss LabSen proprietary sensor technology

Perfect for areas with limited floor space

Hanna GroLine Monitor Inline Replacement Probe NPK Industries Leaves virtually no residue onThe 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