This product is freshly made on request! Lead time: approx. 1 week! NEW: Inoculation of Substratbags with Spore Syringes! Easier and cheaper then the PF-Tech! (For detailed instructions, please click here.) Consistency: The PF-Technic is a very simple method to produce your own mushroom cultures. The substrate consists of vermiculite, rice flour an water. We only use high quality selcted whole-grain basmati rice with all natural nutrients and vitamins. In our laboratory the rice is grinded to the optimal granulation for PF-Tech. Content: 5 PF-glasses, each 450 ml. Sterile sealed! (Note: 5 glasses fit for 1 Home Growkit.) Just remove security tape and inoculate with spore syringes. You get ready sterilised substrate jars!For more information about further use (PF-Tech instructions, chapter 4 and following), please click here!