i wanna grow in a grow tent about 4'X4' in ocean forest soil about 4-6 plants...i cant decide to get 400w that has mh and hps or the 600w hps. im in southern california heat is kind of an issue but i will get some nice ventelation with 2 inline fans one being from the light. 400w probly wont get deep into the canopy huh but 600w is only hps..how can i get the most yields? i think ill just do 4 plants...i want at least an ounce from each plant. i will be using fox farm bloom nutes also along with the ocean forest soil.