Bluelab Guardian Monitor Connect InlineBluelab Guardian 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 important parameters into your computer for you. You can also access the data via the cloud from a remote mobile device or computer to check for extreme variances to be sure these parameters are perfect for your crop success. Only one Bluelab Connect Stick is required to receive