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Professional-grade formula trusted by commercial growers
Steel-wire spiral structure is flexible and easy-to-install in hard to reach places
Garden Hose Drain Adapter
Ideal for use as a fertilizer and plants that like acidic soils for use with tomato plants
newly seeded areas
NORTH SPORE Boomr Bag Sterile Manure-Based Mushroom Substrate | 8-Pack SHIP_FR20 Professional-grade formula trusted by commercialNORTH SPORE Boomr Bag Sterile Manure Based Mushroom Substrate 8 Pack Our best selling Boomr Bag is a sterile bulk mushroom substrate formulated by mycologists to maximize your mushroom yield. It features a proprietary blend of composted horse manure, coco coir, and several quality substrate supplements (although we keep the exact blend a secret!) Over several years, it has been perfected for dung loving mushroom species and is widely trusted by
