um foil for reflective uses is bad because it creats hot spots and can burn some of ur leafs. good job on giving up on led`s there not good for growing
a grow room is not abosutly needed a closet will do great but um the lighting is veery important and if ur gona grow in a closet u will need ventalation like a fan of somthing and the smell u can use any old air freshner. smellness wont get to strong untill you cure ur buds. the least amount of...
soil is better cuz well clean up is easy setup is way easyer and if u have nute bur its a lot eser to flush the plant but with soil there salt buld up can occur but its easy jus flush the plant