Sterilized Coco Coir and Vermiculite with Filter Patch

Looking for a reliable and easy-to-use substrate for your mushroom cultivation? Look no further. Our bags have a .22 micron filter patch to ensure your mushrooms will have proper gas exchange for healthy growth. Our substrate is fully hydrated and sterilized, so you can use it right out of the box without any prep work. Whether you’re a beginner or an experienced mushroom cultivator, our Coco Coir and Vermiculite Mushroom Substrate is the perfect choice for your next project.