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The Bluelab Guardian is an all-in-one monitor: keep continuous readings of all parameters in your nutrient solution by simply taking a look at its LCD screen. Place the sensor in your water tank and you’ll have constant access to important parameters.
It measures factors such as pH, EC, TDS and temperature. It’s designed to be used indoors and you can mount it on the wall or on the structure of your grow tent.
If one of the parameters goes too far off, the screen will begin blinking to alert you.
It has an automatic calibration system that requires pH7 and pH4 – the EC doesn’t need to be calibrated.
Your plants will have the advantage of:
You’ll be able to grow in peace thanks to its alarms and configurable parameters so that you can set it to let you know when something is even slightly out of the ordinary.