With the Bluelab Guardian Monitor, users will be able to constantly monitor the pH, EC and temperature of their nutrient solution or reservoir. This is essential for maintaining your solution within optimal parameters to ensure a maximised yield. General Information Constantly monitoring these key values will help you identify any fluctuations and solve issues as and when they happen. The large backlit LED display is constantly on so it can be viewed at any time. The unit is water resistant and can withstand normal splashes but must not be fully submerged. Benefits 24/7 monitoring of pH, EC and water temperature Alarms alert user when parameters are out of range Easy to calibrate 2m length cable Variety of mounting options Easy to clean Splash proof Large backlit LED display to easily view readings 2 year warranty for the monitor, 6 month guarantee for pH probe