for a cloning veg cabinet...that fluorox4 should work beautifully. I used to use one 4' for clones and they came out great...in spite of all the lights I do have. I would love to have a full bank'o'fluoros. peace

notes:
1) less heat issue with the fluoros than MH
2) mandatory to get an HID lamp for flowering. even a MH. Even though a MH doesn't have the optimum spectrum and put's out less lumens it still does a great job of flowering longer finger like buds. /this information is based on the use of a sunmaster, and agrosun gold 1000w MH. both are enhanced red spectrum bulbs. So if money is an issue and you cannot swing a more expensive HPS/Hortilux set-up, then buy and use the more economical MH. It will definitely outperform fluoros of any abundance and cfl's. peace