How big of an area does one bag do? Whsts the footprint. 3x3? 2x4?

Up to a 5x5 area enclosed within a tent will work best....

so just so I understand this.. once you get the bag there is nothing to remove or take off just put it with the plants?

You have to combine the 2 parts by, yes, sliding the yellow rod from the holder and making sure they are o the SAME side. Now the inoculated portion can spread into the rest of the block. DO NOT REMOVE WHITE PATCH. It’s good and need to be there to keep the fungus in the bag.... the co2 will leak out through that filter patch and not contaminate you flowering room.

Id like ship to Michigan this month, does cold weather affect the mycelium?

Cold weather will not affect the bag. If the bag does freeze, simply allow it to naturally warm back up. Do not try to speed it along. The mycelium will recover and will be good to go. Thanks.

Can i use this with a dehumidifier in the tent?

I don’t see why not. The CO2 bag is closed but for a small vent patch.

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🌱 Elevate your grow game—CO2 that works as hard as you do!

VENTILATION FRIENDLY - Works seamlessly with ventilation systems by placing near fresh air intake for upward CO2 flow through your canopy.
LONG LASTING CO 2 BOOST - Delivers continuous CO2 for up to 9 months, with peak output for 6 months—maximize your plant growth season effortlessly.
PLUG PLAY SIMPLICITY - Self-activated and maintenance-free—no heat, no electricity, just place and grow.
VERSATILE GROWTH ENHANCER - Ideal for nutrition plants, fruits, and flowers—boost yields across your entire garden ecosystem.
OPTIMIZED PLACEMENT DESIGN - Includes a handy seal that doubles as a hanger for perfect positioning above your canopy to ensure efficient CO2 distribution.

The ExHale 365 CO2 Bag is a self-activated, maintenance-free solution providing a stable CO2 supply for up to 9 months in a 4x4 grow space. With peak production lasting 6 months, it enhances plant growth, fruit, and flower yields without electricity or heat. Designed for organic and patent-pending genetics, it includes a reusable seal for easy hanging and optimal placement, making it a smart, eco-friendly choice for serious growers.