Master's Mix 50/50 Hardwood/Soy Hull Substrate Grow Bag (Copy)

2.5kg of a hydrated 50/50 hardwood pellet/soy hull pellet mixture in an 8"x5"x20" grow bag with a micropore filter for clean air exchange. Great substrate for any wood loving species and sizes to suit any needs! Autoclave sterilized and ready for use; just add grain spawn and watch them grow!