CO2 timing?

JohnC

Member
Joined
14 Nov 2008
Messages
1,068
Location
On a mountain in the Highlands of Scotland
Hi,

What is considered best timing for those of us who switch our CO2 off at night?

2 hours after lights on 2 hours after lights off?
1 hour?
same duration as lights?

Thanks,
John
 

JohnC

Member
Thread starter
Joined
14 Nov 2008
Messages
1,068
Location
On a mountain in the Highlands of Scotland
are you all on 8 hour photo periods?
 

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