Expanding your liquid culture or spore syringe can help you get more mileage out of your favorite mushroom strains and scale up future grows. Here’s Myco Sphere using our Syringe Multiplier Kit to expand our Chestnut mushroom liquid culture and inoculating substrate bags with colonized grain spawn. The expander kit contains a broth which provides the nutrients mycelium needs to thrive. Over time, the culture multiplies throughout the liquid, creating a clean, vigorous inoculant ready for your ne