Bluelab Soil pH Pen

The Bluelab Soil pH Pen is purpose-built for direct measurement in soil and substrate, while also offering the versatility to measure nutrient solution. For growers who want to monitor pH more quickly, it delivers on-the-spot measurements directly at the root zone, making routine spot checks faster. Inspired by proven Bluelab Soil pH Probe technology, the spear-tip probe is purpose-built for easier penetration and improved root-zone contact. It delivers professional-grade pH and temperature measurements across soil, coco, potting mixes, rockwool, other substrates, and nutrient solution. Product Features: NEW tapered-tip probe inspired by proven Bluelab Soil pH Probe technology Direct pH and temperature measurement Tapered-tip design for improved penetration and root-zone contact Simple two-point pH calibration Automatic Temperature Compensation (ATC) Backlit LCD display with hold-reading function Waterproof design Auto-off function to make the most of battery life KCl-filled storage cap/dibber keeps the pH sensor hydrated when not in use KCl-Keep Plug seals the storage cap/dibber during use to help prevent spills and contamination