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.

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.

The Bluelab pH Meter is Lightweight and portable, it has an easy to read large display.

The Bluelab Guardian Monitor measure pH, conductivity and temperature. It is a constant indicator of the desired levels of pH, EC/ppm 700/TDS/CF and temperature, enabling you to optimise these critical parameters through each growth stage. 

The Bluelab EC Pen is a compact, quick and handy tool for measuring conductivity and temperature. It simply lets you know whether your plants have the right amount of nutrient in your solution and tells you if adjustments are required.

The Bluelab Combo Meter is a portable pH, conductivity and temperature meter all in one. If you are experiencing problems with yellow leaves, or slow stunted growth, the Bluelab Combo Meter will soon tell you if each parameter is within the plants requirements. Adjustments can be quickly made to get your crop back on track.

The Bluelab CF Truncheon is something for every grower's garden, giving you the tool to ensure your nutrient solution is perfect. All you need to do to take a reading is simply place the probe head into your solution, and check the reading indicated by flashing lights. It's easy, and accurate.

The Kaizen digital pH meter measures pH levels accurately in liquid solutions and is an essential accessory for any hydroponic grow room. Great value for money and with a compact design.