GroStar GS2-E replacement Soil Spear pH electrode

GroStar GS2-E replacement Soil Spear pH electrode Product Details 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