With the Bluelab Guardian Monitor Connect, you will be able to continuously monitor pH, EC and temperature in your reservoir. There’s no need for manual measurements and spot checks; instead, you will only need to adjust for pH and nutrient.

The PLANT!T pH meter is a high-performance unit, made to help growers achieve top-quality crops. It ensures that the nutrient solution comprises the correct pH so that it provides the right nutrition to your plants

Quickly and consistently measure moisture, nutrient (measured in conductivity) and temperature directly in the root zone without the need for pour-throughs, slurries or extractions.

The updated Combo Pen P100 Pro features a modern and robust housing. The improved software now ensures quicker readings of accurate measurements. You can easily replace the electrode should it be worn or damaged.

This monitor is designed for long-term, low-maintenance use. Just plug in the AC adapter, calibrate and the unit is ready for continuous monitoring. A rechargeable battery is included, so even when you have no access to power, you will still be able to use the monitor and do not need to purchase batteries.

EC pen for measuring the strength of your nutrient solution. These TDS conductivity testers provide the ideal solution for measuring ppm or ?S. The TDS testers are ideal for monitoring a variety of applications including the amount of salts or dissolved solids in water. 

This Pal Plus pH Tester is an easy and accurate way to read the pH level of nutrient solutions, which when growing plants, should be in the region of 6.5. This pH meter is simple, reliable and water resistant.

The Budget EC pen is an easy to use digital water meter. It measures the electrical conductivity (EC) and also has a thermometer to measure the water temperature. The EC range is 0-9990 µS and the temperature range is from 0-80°C.

This 2-in-1 Bluelab pH Pen will measure the temperature of your solution, as well as the pH reading.This handheld pen gives you a quick and easy way to check both of these measurements, coming with a backlit LCD display for easy reading.