Cfl question plz comment

ok my growbow is about 5 ft high 4 ft wide and the length is like 4ft ok how many cfls would it take for 2 plants like 42 watts??? im lsting them to keep them short and imma have cfls surrounding them so whats your thoughts on that??

The more the merrier.

Id go 6-8 per imo

thanx for the help at first i got 2 on each since there only 2 weeks old and wen they get bigger get more