Bluelab Guardian Monitor White


2 in stock

Monitor and optimize your hydroponic system with the Bluelab MONGUA Guardian Monitor. Accurately measure pH, temperature, and conductivity (TDS) in water with this easy-to-use 3-in-1 digital nutrient meter. Designed for indoor plant growers, this white monitor features easy calibration and ensures precise measurements for optimal plant health.

SKU: 798527627403 Category: Tags: , , , , ,


Brand: bluelab

Color: White


  • 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, selectable units include TDS, EC, ppm 500, ppm 700 and CF
  • Lab quality glass pH probe with easy two point calibration; 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 water and soil; Other features: International power supply, water resistant design; KIT INCLUDES: Calibration solution, EC probe and pH probe, probe care kit is 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)


The Bluelab MONGUA Guardian Monitor is a versatile 3-in-1 digital nutrient meter designed to optimize your hydroponic system and indoor plant growth. With the ability to monitor pH, temperature, and conductivity (TDS) levels in water, this monitor ensures your plants receive a balanced feed for maximum growth. The monitor features selectable conductivity units, including TDS, EC, ppm 500, ppm 700, and CF, allowing you to customize your measurements. Equipped with automatic temperature compensation (ATC), the monitor provides consistent readings regardless of temperature fluctuations. It also features high and low alarms to alert you when parameters are outside of the desired range. The lab-quality glass pH probe offers easy two-point calibration, while the conductivity/temperature probe comes factory calibrated for immediate use. With its water-resistant design and international power supply, this monitor is built to withstand the demands of growers. The kit includes calibration solution, EC probe, and pH probe, with a probe care kit sold separately. Manufactured by Bluelab, the industry leader in hydroponic testing equipment, this monitor is backed by a 2-year limited warranty (6-month warranty for pH probe).

UPC: 798527627403

Additional information

Weight 0.48 kg
Dimensions 7.6 × 4.92 × 1.57 cm