How to Sterilize Grain Spawn in an Instant Pot (It Actually Works)
Most guides will tell you not to do this. They are mostly right. An Instant Pot maxes out at about 11.6 PSI, not the 15 PSI standard for proper sterilization. But with a longer cycle and small jars, it works. I have done it multiple times. This is not the ideal method. A full-size 23-quart…
