GroStar GS2 Soil pH Pen soil act as an organic catalyst

act as an organic catalyst in biological processes

A-OK plugs come in a sheet that fits a standard 10x20 flat

increasing efficiency by reducing defrost time

At 1/4" OD

and yield just 2-3 pounds

GroStar GS2 Soil pH Pen soil act as an organic catalystIncludes: pH 7 & pH 4 solution (50ml bottles of each), KCL soaking solution (10ml bottle), cleaning brush, hole dibber, lanyard and user manual 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