Apera GroStar GS2-E Replacement Soil Spear pH Electrode Pulse Pro Make your nutrient solution easy

Make your nutrient solution easy to manage with the GroLine Monitor

Larvae and Adult Insects

9 to 379 LPM)

With the knob adjusted to 100%

With 5 hole sizes

Apera GroStar GS2-E Replacement Soil Spear pH Electrode Pulse Pro Make your nutrient solution easyAI58020 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