Co2 Boost Self-Activated Mushroom Grow Bag for Plants, Grow Rooms & Tents 2.0

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About This New Easy Activation Method with no external clip! Produces CO2 for 10 months 1 Bag supplies Co2 for 4x4 Grow Tent Grow & Harvest Oyster Mushrooms on month 11-12 Overview Material : 3.0 Mil Polypropylene Cultivation Bag Color : Grain Special Feature : 0.5 micron filter patch Style : mushroom cultivation Planter Form : Bag Show more