I deemed the little light from my kitchen window wasn't giving adequate lighting. *So I got a twin 48" setup, a timer with 15 minute increments and two 90 CRI, 2200 Lumen lights. *These plants are getting expensive...I'm going to need more plants to bring my cost per plant down. [img]http://www.**********.com/iB_html/non-cgi/emoticons/biggrin.gif[/img]
I'm wondering how many hours of day of light is optimal? *I'm considering using sunrise and sunset data from Wilimington to get a more natural lighting duration.
Weather.com Sunrise and Sunset Data
My question is, because my light setup is only say 90% that of sunlight, do I need a 11% longer duration to make up for it? *Is nature's sunlight duration optimal or do the plants do better with 13-18 hour days? *Anybody have any experience with this or can point me to an expert?