[420smoker]

I want to get a medium size fish tank (40 gallon), fill the bottom with about 5-6 inches of soil, then plant 3-4 seeds with a couple of inches spread apart. I want to put a Wire grate on the top of the tank for air flow with lights above the grate pointing down on the soil. With this design the tank should condensate with moisture, is this a good idea? Also after the plants are a good 5-6 inches tall, i thought of maybe putting a thin layer of gravel or small rocks on top of the soil. Would that help at all too?