Apera Instruments GroStar GS2 Soil pH PenLab grade instruments designed specifically for growers! The GS2 Soil pH Pen 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 li> Impact resistant spear
Shopping security
Each payment you make on thelockerguy is secured with strict SSL encryption and PCI DSS data protection protocols