gangjababy
Well-Known Member
Hey I found a grow guide by Jorge cervantes. It covers a lot, and has some good stuff in there...
http://books.google.com/books?id=rnwwxoOb3gUC&pg=PA45&lpg=PA45&dq=400+Metal+Halide+spectrum+chart&source=bl&ots=6hRKmYEzhv&sig=ovSWcxAmfpq70aZQnplD-G3e2Mk&hl=en&ei=Xb2kSbDjDtPGtgfHs4zNBA&sa=X&oi=book_result&resnum=2&ct=result#PPP1,M1
http://books.google.com/books?id=rnwwxoOb3gUC&pg=PA45&lpg=PA45&dq=400+Metal+Halide+spectrum+chart&source=bl&ots=6hRKmYEzhv&sig=ovSWcxAmfpq70aZQnplD-G3e2Mk&hl=en&ei=Xb2kSbDjDtPGtgfHs4zNBA&sa=X&oi=book_result&resnum=2&ct=result#PPP1,M1