GroLine pH/EC/TDS Multiparameter Probe (Inline) Promote These refill sheets are compatible

These refill sheets are compatible with standard growing trays such as in the Speed Starter Kit

these units are perfect for both residential and hydroponic applications

The Bluelab Guardian Monitor is a constant indicator of the desired levels of EC/ppm 700/TDS/CF

The Frenzy is the final food source for the organisms

more vibrant flowers and higher-yielding fruits

GroLine pH/EC/TDS Multiparameter Probe (Inline) Promote These refill sheets are compatibleThe 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