Growing with no air intake and exhaust? And without supplemental co2?

I’m feelin like :alien: Master Yoda.

Forget the CO2, seal & “remodel” the space because of the temps.

#1 thing needed is adequate light. but if it’s still f’n freezing then it will die or barely grow.

get foam in a can for the cracks (aka ‘great stuff’ in usa), panda/orca/black&white film, & put the light in & let it run w/o plants, check your temps & humidities… go from there.

aim for 75-80F veg & flower (IMO) & 55%RH.

grow some test plants just to see how it goes, knowing you can restart after tweaking things. don’t invest a shitload either for the same reason.

:v: & happy growin

:evergreen_tree:

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