HID will give bigger yields and denser buds but cfl are a good alternative if you don't want the expense and heat issues that HID have.

Check out this link

http://boards.cannabis.com/grow-log/...-grow-log.html

for what a good grower can expect from cfls.
hudson88 Reviewed by hudson88 on . What is a light that i can use to grow? Hey guys im like broke and never seem to hav alot of money but wat light should i use that is around and every dsy house? can i use 1 of the spirally energy saving 1ns? i need help!! Rating: 5