G
greendarknight
- 48
- 18
at night plants breath in o2 and release co2 - so with levels of 1000 or higher you are stressing them technically speaking
you can not exhaust a room without intake - passive or otherwise - it is not possible
if you have only intake that will give you positive pressure on the room and make it smell outside
its not a bad idea to have exhaust on a controller in case of humidity spikes or heat build up due to a failed ac and exchange the air once to day to avoid buildup of Ethylene
Are you using LP CO2 generator?
i run a sealed room(tanks) and my night time co2 levels usually reach around 2000 ppm. when the lights come i just open the door for about 20-30 minutes to let the levels come down to 1000 and it also lets in fresh air.
when the lights come i just open the door for about 20-30 minutes to let the levels come down to 1000
because when my lights go off my levels are 900-1100 ppms.
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