I have a 2Wx2.5Dx5H foot cabinet. I have done 1 grow before in it and did ok but bud was airy. I run 1x 135w actual quantum board. I'm picking this is underpowered. How many watts should I have in a cabinet this size? Can you have to much light? With the light hanging i have about 4 ft of growing height. Did lst with first grow. Any help appreciated.