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optimal growth to run co2

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Old 02-12-2009, 12:55 AM
iceberg iceberg is offline
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Join Date: Feb 2009
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Default optimal growth to run co2

When is the best time for optimal growth to run co2/ when the lights are on or off or both/ How long should it be run for?

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Old 02-12-2009, 12:55 AM
Ron Ron is offline
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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.

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