GroStar GS2 Soil pH Pen tents-/-indoor-greenhouses Control how often and how

Control how often and how long you water

Min/max temperature recall

In addition to containing nitrogen

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

Better humidity control for optimum growth

GroStar GS2 Soil pH Pen tents-/-indoor-greenhouses Control how often and howIncludes: 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