GroStar GS2-E replacement Soil Spear pH electrode
- Spear pH Probe measures pH and temperature in the 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
English (UK)