Please someone diagnose! I think its just burning, but ANSWERS would help! +REP!!

:confused::confused::-?I think it might just be burning, but i have it under 2 23watt 6500k cfls. and i constantly have a fan blowing pretty hard, hard enough to constantly be moving the plants around, and the lights are about 3-4 inches above the plants.. i don’t really see how it could be buring, cuz its not hot at all, and ventilation is perfect. also, the new growth (the new nodes that’re growing) aren’t buring at all, i figured the new leafs growing in would at least be burned at the tips cuz they r so tender and new, but they look fine. i have two of these growing in 5 gallon buckets with miracle grow organic soil. no other nutes added, i wanted a soil that was very low in nutes so i could add them myself when they get a lil bigger. what the hell is wrong? please.. plus rep a thousand times if u can solve my problem lol.. need the help, thank u RIU!!!!!!!!!!