The Pro Grow Smart Controller also comes equipped with 2 temperature and humidity sensors

Be sure to secure everything in place with the supplied hose clips

the grand master growers we interviewed recommended buying a supply of REVIVE to keep on hand in case of any emergencies

and are restricted in flower size

Bluelab CF Truncheon Nutrient Meter Light Controllers The Pro Grow Smart ControllerPRODUCT FEATURES BENEFITS Robust and reliable construction for long lasting value Fully waterproof; splash, submerge or sink we've got you covered Automatically detects liquids and bright LEDS indicate measurement for brilliantly simple functionality Long format design for mixing and measuring nutrient reservoirs simultaneously No calibration required and easy to clean and disinfect All conductivity scales included EC, CF, PPM 500 (TDS), PPM 700