this nickname was coined by & named after a man who calls himself Psilocybe Fanaticus (hence the PF) ....PF-Tek refers to a specific technique for growing mushrooms (hallucinogetic in particular) which is commonly recognized around the world by
mushroom growers as the easiest method for growing & great for begginners as is has great steps involved for sterile procedure. In
short, the method involves vermiculite, brown rice flour, & canning jars. His instructions are explained & creditted to him on MANY webpages on the
internet