M mishin31 Active Member Nov 27, 2010 #1 how often should i vent and bring fresh air into the tent. My co2 is on for 1st two hours of light, then on/off every 15 minutes. Thanks in advance
how often should i vent and bring fresh air into the tent. My co2 is on for 1st two hours of light, then on/off every 15 minutes. Thanks in advance
