Hey

Ah the lights problems, alway a chalange but don't worry i have the answers. Change your tubes to "cool white" or "daylight" ones. The tubes that you are using makes your plant strech. Why? Because when you plant is on vegetative stage (when the plant makes is foliage and grows) it need more blue light from kelvin skale. So daylight and cool white fluos are ideal for vegetative stage. When you put the plant on flowering stage (when you want the plant to flower...simple) she needs more red light. So warm white and wide spectrum is used (wide spectrum is comonly found in aquariums). Then or the wattage: The more light the better. You have a total of about 31 watts.....witch is...well...bad... try to have at least a total of 40 watts. Don't use incadecent lights...its not made fo grwoing..and its not good (tryed it myself and its crap). I can sugest that you can use the "economic" lights, its like fluorecent tubes but smaller. I bought one a month ago and its abseloutly good im impressed by the results. It is made by sylviana and it produces 875 lumens, with is exellent for a lamp that size.

I hope this will help see ya