GroStar GS2 Soil pH Pen

AI31020 - GroStar GS2 Soil pH Pen Lab grade instruments designed specifically for growers! • Measures pH and temperature in nutrient solution, soil, coco coir, rockwool, and many other media types• Premium probe technologies and materials ensure high accuracy and durability with minimal maintenance• Impact-resistant spear glass tip, 10 times stronger than conventional glass bulb• PTFE ring prevents a clogged junction caused by soil particles, significantly increases durability• Backed by Apera's proprietary sensor technology from Switzerland• Easy-to-use design and fast calibration adjustment• Replaceable Swiss LabSen® Spear Soil pH Probe• Large 3-color backlit screen gives you clear information• Durable structure, IP67 waterproof• Powered by AAA batteries with auto off function• Automatic temperature compensation• pH 7, pH 4, soaking solution, and hole dibber included • 2-year warranty on pen, 1-year warranty on probe