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
ADWA Waterproof pH-TEMP Pocket Tester with replaceable elect ADWA Waterproof pH-TEMP Pocket Tester with replaceable elect 56,06 € Quantity: 2 rows display LCD (reads both pH and temperature measurements) and built-in HOLD function that freezes the display for easy and accurate recording. View product
Bluelab pH 7.0 Calibration Solution 20 ml Bluelab pH 7.0 Calibration Solution 20 ml 2,28 € Quantity: Calibrate your pH probe or pen to pH 7.0, after that calibrate to pH 4.0 (slope) for accurate measurements. View product
