ExHale The Original CO2 Bag

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$30.86
$30.86
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✓ In-store pickup available in Peabody, MA
✓ Talk to a real grower: (978) 278-5898
✓ Heavy soils & media are local pickup only

The Original ExHale bag is the simplest CO2 there is: mycelium growing on a natural substrate steadily produces CO2 for your plants — no tank, no regulator, no electricity. Hang it above the canopy and it works around the clock for up to 6 months. Sized for up to a 4x4 ft grow space. The bag arrives ready to activate: just hang it and let it breathe.

Specs: covers up to 4x4 ft · up to 6 months of CO2 · no power or equipment needed · hang above canopy