Consider that Cannabis can flower outdoors under the light of the full moon, so if your grow room is that dark, you should be OK. Having said that, it's best to make it as dark as possible. Plug all light leaks and be liberal with the black plastic.
Be sure to let your eyes adjust to the darkened room for at least two minutes before you try and identify how "truly dark" it is. If you can hold your hand out at arm's length and see your fingers, it is probably too bright. Light leaks are common triggers for hermaphroditism.
- This article is part 4 of 11 in the series GrowFaq: Blooming & ripening.
How dark does the dark cycle need to be?
Series TOC
- Series: GrowFaq: Blooming & ripening
- Part 1: How do I determine a female sex plant from a male?
- Part 2: What does a garden look like from the initiation of bloom to the harvest?
- Part 3: How many hours of light do I need for blooming?
- Part 4: How dark does the dark cycle need to be?
- Part 5: Growing Consensus Synopsis Paper: Should Fan Leaves be Trimmed?
- Part 6: What do I do if my plants are growing too tall after flowering?
- Part 7: What is an hermaphrodite?
- Part 8: How can I find the exact harvest timing for my strain?
- Part 9: Is UV important for blooming?
- Part 10: How can I manage a tall lanky sativa indoors?
- Part 11: What is stretch and how can I minimize it?
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Original Source
Written by: administrator, Feb 24, 2001,Share This Article
- This article is part 4 of 11 in the series GrowFaq: Blooming & ripening.
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