I like to top so all i have to do is spread her legs.Attachment 282481 So to speak. Its easier for me to try and get an even canopy when i do it this way. It's all about preference. I could be wrong but i think alot of people that do the perpetual grows mainly deal with SOG style. A bunch of small plants. A faster in and out production wise. If im wrong someone will correct me haha
As for the reflecting question i have a chart that i stole from Dutch.Attachment 282482