Along with measuring soil pH, you’ll need to check that you aren’t over- or under-feeding your plants. However, plants can only access nutrients if the pH (potential Hydrogen) of your growing medium falls within the correct range. Our products are designed to be easy to use, durable, and accurate, making them the go-to choose for professionals and hobbyists alike. When growing, it’s easy to get caught up in the obvious big things: nutrient feeders/bottles, tent and extraction.

Teamed with the Bluelab EC Pen or Bluelab ppm Pen, you have a handy, convenient and accurate system for ensuring optimum plant growth and health.The hand held pH pen provides a compact quick and handy way to manage the success of your crop to ensure maximum uptake of nutrients. With temperature compensation, it provides highly accurate readings, as well as displaying the temperature of your nutrient solution onscreen. You can also expand your toolkit with our pH accessories and replacement parts, including replacement pH probes, storage caps and carry cases. Once this step is complete calibration is now finished and a small tick will be displayed on the screen to show this. These state-of-the-art pH pens feature advanced electrode technology, providing fast and reliable readings with exceptional accuracy.

This attribute gives you peace of mind, knowing you can confidently use it in splash-prone environments without worrying about water damage. Providing pH and also temperature the Bluelab pH pen features a low battery warning, successful calibration button plus is totally waterproof. When you combine the Bluelab Soil pH Pen and Bluelab Pulse Meter, you’ll be creating the ultimate root zone toolkit, ensuring that your plants can truly thrive.Keeping your pH meter calibrated is essential for taking accurate readings and keeping your nutrient solution within the correct pH range. To improve the ongoing accuracy of your pH meter, we’d recommend that you clean and calibrate your pH probe regularly. The meter is straightforward to use and features the same build quality and attention to detail that have made Bluelab products the industry standard.

The Bluelab pH Pen is a handheld pH pen that's easy to use, producing clear, accurate readings on an easy-to-read, backlit LCD screen. Our innovative products enable growers to achieve optimal results by providing accurate and reliable data on pH, conductivity, and temperature. With Bluelab’s Conductivity Pen, you can take measurements of your nutrient solution to ensure that your plants truly flourish. The Bluelab's pH Pen is a standard pH pen in the UK market that measures both the pH and temperature of your nutrient solution. Before first use, you must first hydrate the pH pen in KCl solution for 24 hours and then calibrate the pen using the calibration guide below.

For this will you will need pH Buffer 4 and pH Buffer 7 (a single use sachet of each is provided in the box).