if i had a small set-up. only 3-4 plants growing how much MH and Hps light do i need. i was going to get about 300w of MH and 300W of HPs and run the MH during veg and HPS during bud but i dont know if thats too much lights . its in a 3x3x6 box. i don't want to little lights but i certaintly dont want to burn them with too much. whats a good amount??