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• Backed by GroStar proprietary sensor technology from Switzerland
Possible causes of chlorosis include poor drainage
Acidic and Alkaline cleaning chemicals are available for removal of typical fouling such as Calcium Carbonate & Biological growth
It works directly on seeds and roots to create vigorous roots and robust plants
Grow Gorilla
Apera GroStar GS2 Soil pH Pen EZ Clone • Backed by GroStar proprietaryAI31020 GroStar GS2 Soil pH Pen Lab grade instruments designed specifically for growers! Includes: 2 year warranty (instrument) 1 year warranty (probe) pH 7 & pH 4 solution (50ml bottles of each) KCL soaking solution (10ml bottle) Cleaning brush Hole dibber Lanyard and user manual Features: Measures pH and temperature in nutrient solution, soil, coco coir, rockwool, and many other media types Premium probe technologies and materials ensure high