$39.99
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The Science of Photoperiodic “Dark” Lighting
Day-length perception in plants often determines flowering vs. vegetative growth responses. Short day crops like cannabis naturally require approx. 12+ hours of continuous darkness to flower which begins with a slow deactivation of the Phytochrome photoreceptor before the plant is fully “asleep.”
The TotalGrow Far Red Lullaby Lamp specifically targets the absorption peak of Phytochrome Pfr to accelerate this process, reducing the 12-hour darkness requirement and allowing more daily light accumulation and growth. The exact darkness requirement varies by crop and environment, but a 13-hour day / 11-hour night is generally possible for an additional hour of daily growth.
This 730nm far red radiation also generally induces stretching.
Ask us about specialized socketed light cords for easy, low-cost installation!
Power: 17W
Output: 34 µmol/s
Efficacy: 2.0 µmol/J
Spectrum: 730nm
Typical Coverage: 40 sq. ft.
Typical Lighting Schedule: 13 hr. Day / 1 hr. Lullaby / 10 hr. Dark
Dimensions: 4.9" wide x 5.2" tall; 14 oz
Dimming: none
Lifetime: 50,000 hours
Warranty: 5 years
Certifications: ETL
Waterproof: IP65
Applications: Short-Day Photoperiodic lighting to influence the timing of flowering
What's Included: (1) Light bulb
Collections: Home Gardening
Quonset Hut
3775 Cleveland Ave NW
Canton, OH 44709
(330) 492-1293
Monday - Saturday: 11am - 7pm
Sundays: 11am - 6pm
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