White Milo Bulk Substrate Jars (12-Pack)

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Our White Milo Bulk Substrate Jars (12-Pack) provide a reliable and high-performing grain substrate for mushroom cultivation. Each pack includes 12 quart-sized jars filled with ful ly hydrated and sterilized white milo grains, offering excellent moisture retention and a nutrient-rich environment for rapid mycelium growth. The jars are equipped with self-healing injection ports for easy inoculation and contamination prevention. Perfect for large-scale or commercial mushroom growers, this bulk option offers convenience and consistent results. Show more