• Monitor pH up and down, temperature, nutrient (TDS) level in water to maximize your grow and ensure plants get a balanced feed; General uses includes growing tent and reservoir; Selectable conductivity units include TDS, EC, ppm 500, ppm 700 and CF
  • This hydroponics tester has ATC that provides consistent reading regardless of any fluctuations in temperature; High and low alarm when outside parameters, data logging with Bluelab Connect software
  • Lab quality glass pH probe with easy two pointcalibration; Conductivity / temperature probe comes factory calibrated so it's ready to be used; Double junction probe is more accurate than test strips and drops
  • Combine with Bluelab pen and meter for full garden nutrients monitoring in soil; Other features: International power supply, water resistant design; KIT INCLUDES: Calibration solution, EC probe and pH probe, probe care kit and connect stick sold separately
  • Made in New Zealand and manufactured by Bluelab, the industry leader in hydroponic testing equipment, built for growers; 2-Year Limited Warranty with proof of purchase (6-month warranty for pH probe)


This Bluelab Guardian CONNECT Monitor is a must-have for any hydroponic enthusiast. With its accurate pH, temperature, EC, and conductivity readings, you can ensure that your plants are growing in the perfect environment. Designed by Bluelab, a trusted brand in the industry, this pH meter is reliable and easy to use. Ideal for both indoor and outdoor gardens, this meter is perfect for measuring the vital aspects of your plants' environment. Its compact design makes it easy to transport and store, while its wireless capabilities allow you to monitor your plants remotely. Whether you're a seasoned gardener or just starting out, this Bluelab Guardian CONNECT Monitor is the perfect tool to ensure the success of your hydroponic garden.