White Millet Bulk Substrate Jars (12-Pack)

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Our White Millet Bulk Substrate Jars (12-Pack) are the perfect choice for mushroom cultivators seeking a fine-grained, high-performance substrate. Each pack includes 12 quart-sized jars filled with fully hydrated and sterilized white millet grains, which provide a superior environment for mycelium colonization due to their smaller grain size. The jars are equipped with self-healing injection ports, making inoculation clean and easy. This bulk option is ideal for large-scale or commercial mushroom cultivation, offering a reliable and consistent substrate for rapid mycelium growth. Show more