My roomate has been growin and also has a botany degree. About the light calculations, you need to make a program using matlab because it would take lots of skill to do it by hand. So I know both sides of the story. My roomate has taken soil samples and analyzed it using a GCMS(gas chromatograph/mass spec).
paulinator Reviewed by paulinator on . Paulina: British Columbia indica hybrid Hello folks, lets see here. I managed to get a hold of some primo BC seeds and grew one female plant. Let me explain a few things. 1. Growing in an approximate 4 X 2 ft space. 2. Germinated in mid march 3. 100% organic. Base soil is metromix with organic amendments. Topsoil is wormcastings and manure. I use 4-2-3 organic fert. Only done it twice. 3. Grew her under compact fluoro for almost 3 months under 24 hrs continuous light(200W 6400K with gold dimpled reflector) 4. My Rating: 5