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optimal growth to run co2
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02-12-2009, 12:55 AM
Ron
Senior Member
Join Date: Jan 2009
Posts: 1,285
when the
lights
are on. co2 doesn't work in the dark.
without a co2 tester it is imposable to tell. You can only guess. For a 10 ft x 10 ft x 8 ft room I would use 1 cubic ft per hour on your flow meter for 15 minutes every hour.
Ron
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