i have a small fishtank as a temporary grow space, its about 2 feet wide by 1 feet long and 1.5 ft tall. i have 3 26 watt cfls on the "roof" of the tank with a fan pushing air in one of the top vents and another top vent having air come out. the walls are fully covered with white paper at the moment. there is TWO small 1-2 week old plants growing in it, do i have enough light??