Quote Originally Posted by blink_inc
why does everyone want to change 18/6.....18/6 or 24/0 for veg and 12/12 for flower..
Because you want to get away with as much on time as possible without stressing the plant if you are going for yield. I've found that I can always flower what I've got with 13 hours of light instead of 12.
Opie Yutts Reviewed by Opie Yutts on . need some suggestions well i set up a grow space in the attic and we are running 8 40 watt phillips plant and aquarium lights (4ft long). light output--1600 lumen color temp--2700k we have 16 plants under them 4 under each light (2 lights in a fixture) they are currently gettin 17 hrs of light and 7 dark will these light be good enough for the vegetative cycle? Rating: 5