Bluelab Probe Care Kit - pH and Conductivity

CAREKITPHCON Probe Care Kit for pH and Conductivity (TDS/PPM) Probes and Pens with 4 Solutions and Cleaners, Cleaning Kit Tool for Hydroponic system and Indoor Plant Grow

Bluelab METCOMPLUS Combo Meter Plus for pH, Temperature, and Conductivity in Water and Soil with Easy Calibration, Digital Nutrient (TDS/PPM) Testing Kit for Hydroponic System & Growing Indoor Plants

Bluelab METCARRYCASE Carry Case for Bluelab Meters used for Hydroponic System and Plant Grow (Meter and Probe Sold Separately)