Apera Instruments GroStar GS2-E Replacement Soil Spear pH Electrode Freeze Dryers & Curing Machines Operation interface: one button for

Operation interface: one button for reset and manual run

Containing only natural sources of essential major

0225% Ammoniacal Nitrogen

This mat is the Add-on mat and is meant to be used with the Master Mat

Apera Instruments GroStar GS2-E Replacement Soil Spear pH Electrode Freeze Dryers & Curing Machines Operation interface: one button forGroStar 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