Masking your hps light from window

weedenhanced said:

Just put a inline inside the tent and vent it out of the tent and leave window a tiny bit open will create enough passive intake man

If u really wanna block ur window what u do Is hang some Venetian blinds tilt them a tiny bit up then behind that hang a curtain blinds then behind that hang ur black plastic unless u get full sun block curtains to hang behind the venetians
In the upstairs bedroom do u have wall vents View attachment 3537362View attachment 3537363 that's my full sun block curtain in front of my venetians and how I vent with out opening a window then just leave the rooms door open a little

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BigDoobie said:

Thats the best option so far is to use curtains over my blinds. I've got an inline fan pulling air from the tent but it will exhaust back into the room. I dont have a wall vent. I'm worried there won't be enough co2 for the plants during flower if I dont open the window enough but if I do open too much it will be freezing in the room during the winter and maybe create humidity problems. I've always sealed my window and exhausted out of it but the panda film is giving in from the air pressure and heat has become a problem. Open window seems like a good idea now.

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BigDoobie said:

Sounds like those buckets last a long time. I need to get a co2 monitor and see where the levels are actually at. I've ran co2 before by just opening the nozzle and leaving the room for a bit. That should solve my problems. Thanks for all your help.

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