Apera GroStar GS2-E Replacement Soil Spear pH Electrode

AI58020 - GroStar GS2-E replacement Soil Spear pH electrode • Spear pH Probe 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 Swiss LabSen proprietary sensor technology • 1-year warranty