Hanna Electrode Combo Hanna Electrode Combo 131,46 € Quantity: Spare HANNA Electrode for Hanna combo meter. View product
Bluelab Guardian pH, EC, Temp. Monitor Bluelab Guardian pH, EC, Temp. Monitor 345,64 € Quantity: The Bluelab Guardian Monitor provides 24 hour continuous reading for pH, conductivity (EC/ppm 700/TDS/CF) and temperature within a nutrient solution. View product
