GroStar GS2-E replacement Soil Spear pH electrode spl_hw One is for turning the

One is for turning the meter on/off and the other for automatic one or two point calibration

36 inch ground stakes

Engineered with large-grip aluminum handles on either side of the T4 for easy movement to and from your trim sessions

CQE-PT-99821 Flow Reducer CQE-PT-99822

Plug poppers help make the process that much more seamless

GroStar GS2-E replacement Soil Spear pH electrode spl_hw One is for turning theDescription 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,