For those using T5

[MMreef]

I found this link,it is great and will answer your questions regarding bulb combos and color you trying to achieve.

http://home.comcast.net/~stevelarsen00/site/?/page/Lamps_and_lamp_combinations/

 

[Prov3:5-6]

Great article, very helpful!!

 

[Nxt]

Great article
pretty close to what I am running
going from front to back
purple plus
blue plus
coral plus
blue plus

 

[bennyblanco]

Thanks Mark!