I have a friend that does use this in away. But he uses it how the sun would be in the summer to the fall. He starts out in 18-6 for 3 days 16-8 for 2 days 14-10 2 days 13-11 for 2 days then 12-12 . And i must say that i have never done this but i have seen a couple yeilds and its always been...