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How to make it airtight?
DutchGrownGreensstarted grow question a year ago
I am going to grow in a closet next round, the only thing im not sure on is how to make the doors airtight when closed.. thinking about some foam isolation strips. Any input is appreciated🙏
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Setup. Ventilation
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Sciolistic_Steveanswered grow question a year ago
foam insulation strips, car insulation strips. just don't expect the adhesive to hold up long term unless pressure is only rubbing it/ pushing it in one direction...
are you adding co2? if not it doesn't have to be airtight, just light-tight. negative pressure from an exhaust fan will keep odor going in one direction too.
anyway, if worreid about light a tension rod and black out curtain at entrance plus door probably good enough or something curtain outside the door if you can hang above the molding. easier to overlap sides from outside i bet.
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