GroStar GS2 Soil pH Pen tents-/-indoor-greenhouses Spectrum Options:

Spectrum Options:

Tool comes with 3 x 656-foot (200M) rolls of brown twist tie

In addition to containing nitrogen

Min/max temperature recall

Better humidity control for optimum growth

GroStar GS2 Soil pH Pen tents-/-indoor-greenhouses Spectrum Options:Includes: 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