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48 Hours of Darkness or Full Light? | Cannabis Grow Science

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You’ve heard the grower’s tale: ‘48 hours of darkness boosts potency.’ But what if that popular advice is actually hurting your yields? 🌱 In this video, we cut through the myths and expose the real science behind trichome development.

We’ll cover:

The origins of the “72 hours of darkness” theory and why it persists

Scientific evidence that challenges the darkness method

The critical role of light spectrum and intensity in resin production

How UVB and PAR ranges impact cannabinoids and terpenes

The overlooked influence of genetics, environment, and nutrients

Actionable tips to maximize trichome density and resin quality

A glimpse into the future of cultivation technology and trichome research

No more “bro science”—this is data-driven cultivation. If you want frosty, potent buds, the answer isn’t in turning the lights off, it’s in mastering light and environment.

🔥 Subscribe for more cultivation breakdowns and comment your take on the darkness vs. light debate below!

For a review of my top seed banks watch this! https://youtu.be/iIusds3eikk

Sources: https://pmc.ncbi.nlm.nih.gov/articles/PMC8488169/#:~:text=well,While%20growers
https://plantae.org/how-does-a-plant-tolerate-prolonged-darkness/#:~:text=,carbon%2C%20nitrogen%2C%C2%A0and%20energy%20during%20starvation
https://typeshare.co/cannabenoid/posts/-NMpHzo36UI5P96P3KkN
https://pmc.ncbi.nlm.nih.gov/articles/PMC8488169/#:~:text=consistent%20with%20a%20common%20role,UVB%20radiation%20in%20that%20region
https://pmc.ncbi.nlm.nih.gov/articles/PMC9551646/#:~:text=Secondary%20metabolite%20content%20was%20unaffected,by%20ultraviolet%20radiation
https://pmc.ncbi.nlm.nih.gov/articles/PMC11479007/#:~:text=opening%2C%20circadian%20rhythms%2C%20photomorphogenesis%2C%20flowering,growth%20and%20cannabinoid%20synthesis%2C%20positioning
https://medicgrowled.com/blogs/news/ideal-temperature-and-humidity-for-cannabis-grow-room#:~:text=Moreover%2C%20cannabis%20terpenes%20and%20resin,content%2C%20enhancing%20potency%20and%20flavor
https://www.floraflex.com/blogs/floraflex-media/the-impact-of-light-intensity-on-cannabis-growth-and-development#:~:text=Flowering%20Stage
https://www.frontiersin.org/journals/plant-science/articles/10.3389/fpls.2024.1480876/full