The Guardian Monitor measures all three critical parameters for successful growth; Ph, conductivity (EC) and temperature.

 - adjustable display brightness
 - Large, easily readable display
 - adjustable values ​​for conductivity and temperature
 - Easy operation at the push of a button pH calibration
 - Silent alarm for high and low settings
 - Automatic temperature compensation

This product is sent directly by our supplier. Depending on the inventory, it can take up to 2 weeks for the order to be with you.