Bluelab Inline pH Probe (Replacement Probe Guardian Monitor Connect In-Line) Nutrients this formula includes urea to

this formula includes urea to help maintain an acidic growing medium

such as individual nutrients

This case ships 80 packets loose

and light enough to lift and empty by hand

Excellent tool for resistance management

Bluelab Inline pH Probe (Replacement Probe Guardian Monitor Connect In-Line) Nutrients this formula includes urea toThe Bluelab Inline pH Probe is the replacement probe for the Bluelab Guardian Monitor Connect Inline. Measurement Range: 0. 0 14. 0 pH Resolution: 0. 1 pH Accuracy at 25 C 77 F: 0. 1 pH Calibration: Two point (pH 7. 0 and pH 4. 0 or pH 10. 0) The Bluelab Guardian Monitor connect Inline is not only a constant indicator of the desired levels of pH, conductivity and temperature of your nutrient solution, it also data logs these critical parameters to