Dont know whats wrong with the people that responded so far, but 1) you can even look around, plenty of people grow with CFLs. The size is a bit smaller, but thats usually a good thing since space is often an issue. Instead of growing one or two large plants, you may want to grow a few smaller plants. 2) that is the correct light spectrum.. but when flowering time comes you will have to buy new bulbs, no biggie they are 6$ for 2 at wallmart.