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.