hi everyone....not been on here for a bit.....my question is....ive done loads of soil grows in my bedrooms and i now have to down size.i've started a grow in a cupboad which is 3 and a halt foot square.im growing white widow from seeds with a 600 watt light, good air flow,but i'm not sure if i should foil the cupboad to try and get more light and make it more intense.does anybody have any advice???