North Spore ‘Boomr Bag’ Manure-Based Sterile Mushroom Bulk Substrate - Case of 12 Travel Bags & Backpacks The Cabinet Ventilation grille is

The Cabinet Ventilation grille is a 17

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12 Per Case

This cartridge is designed to be easily inserted into your EnviroKlenz Air System and EnviroKlenz Air System Plus and lasts up to 6 months

the most popular size for computers and DIY applications

North Spore ‘Boomr Bag’ Manure-Based Sterile Mushroom Bulk Substrate - Case of 12 Travel Bags & Backpacks The Cabinet Ventilation grille isBest selling Boomr Bag is a sterile bulk mushroom substrate formulated by mycologists to increase the yield of your grow. 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 mushroom growers. Note: Substrate is hydrated to field capacity. Use your