Some growers flower at 12/12 for quite urgent growth, it's like having a 12 hour day and a 14 hour night. You can flower at 13/1113.5/10.5, or 14/10 after buds began to form. One can return to 12/12 when one goes to flush, generally the final three weeks to have a very mature finish.
Outdoor and in the Greenhouse: Run the Flower some before and after sunset, 15 min. to 30 min will suffice, this also reduces the numbver of times one will need to recalibrate to sunset. One can start flowers when the night is 10 hours long with a 12/12 short day plant. Flowering under such long days means instead of growing huge plants you get huge bud clusters.
Advanced experimentors run DEEP BLUE after the Flower-Initator for a few minutres to one hour will prevent any stretching, If it is of concern,without negative effects on flowering. Some growers report some benefit to running blue all night during bloom, I advise no more than 4 hours.
10 Watts covers up to a 8' X 8' area at 4' above the canopy,
20 Watts up to 16' X 16' at 7.5' above the canopy.
Use a Sunset and Sunrise service to determine the length of your night.
Growers say it's a positive "Freak of nature", with "More of everything"!
Posted by Stephen Brewer on 16th Jan 2016
"No grow room, or greenhouse should be without the Flower Initiator. Me myself could never imagine my life without one. Before this product, it would take anywhere from 10-15 days, to find the sex of my plants, now in only 4-5 days, all plants are indicating so I'm able to remove the males, and give the ladies more room to spread out. After one week of bloom I see buds that look as though they were over 2 weeks old. As far as yields, OMG the extra 1-2 ounces of bud, is really amazing. I have also noticed a Hell of lot more resin , the same frosty hybrids that I have grown before, are so much more frosty, that it looks like it snowed on em. I would highly recommend this product 100% , and think it deserves a much higher rating than 5 stars. Thank you William Boune, and GrowLightSource.com, you're the best!"
Outdoors and in the Greenhouse: In the fall you when the night becomes 10 hours in length you can reduce or eliminate the need for greenhouse curtains, or use it in tandem to manipulate flowering further, or start even sooner. In the southern tear many strains can be flowered in the spring without curtains.
730nm IP65 Water Resistant LED Flood Lamps, Micro-Lighting, Micro LED Grow Lights: