Take control of your hydroponic system and maximise your growing success with this powerful combination from Bluelab. Calibration is essential to maintain accuracy over time, and the pH Pen simplifies this process, allowing you to calibrate quickly and confidently.

To improve the ongoing accuracy of your pH meter, we’d recommend that you clean and calibrate your pH probe regularly. The pen uses a replaceable probe to measure pH levels in soil, and the probe is calibrated to ensure accurate readings every time. Created in New Zealand, our entire product range has been designed for the grower environment - not the lab. The pen uses advanced technology to provide accurate and reliable pH readings, making it an essential tool for any grower looking to optimize their plant growth and yields. Bluelab is one of the industry's best-known and most trusted brands; all of their testing equipment delivers a level of reliability and accuracy that's second-to-none.Our innovative products enable growers to achieve optimal results by providing accurate and reliable data on pH, conductivity, and temperature. The information is shown on the LCD display and with this vital information, you can now adjust the pH levels of your water with confidence.

So, you can feel confident that your Bluelab Soil pH Pen will withstand the knocks, drops and deep-water plunges that come with everyday growing.The accuracy of any pH reader can be negatively effected if the temperature of the solution is too high or too low. The pen also features automatic temperature compensation and auto-off function, making it a convenient and user-friendly option for plant care.