Single-shot grain spawn

5 ounces of fully colonized grain spawn (on organic wheat), perfect for inoculating 2-3 pounds (dry weight) of your growth substrate, whether it is a five-pound bag of master mix, a 2-gallon bucket of straw, a tub of shredded paper, etc. When you are ready to inoculate, simply cut the bag open and pour out the spawn. Quick and easy, with minimum chance of contamination in the process. Order 4 or more at a time for a 20% discount and lower per-item shipping, and store in the fridge until use (up to 15 can ship in a single box).