Yesterday (July 18) took the pasteurized straw out of the soil sterilizer (note to self - the mesh bags tended to melt so use loose straw next time). We wet it to about 65% moisture content by using the squeeze test (squeeze hard and one drop if any will come out). Then we weighed a bag with straw and calculated that 45 grams of grain spawn would be used for the approximately … [Read more...] about Mushroom bags are packed and ready to grow!