Ive started using small half pint plastic cups atm. with a daft 200,watts of blue cfl and 110,watts of t,12,s. iv found it keeps my plants more tight from the start. then i add my 250,halide.or sodium bulb aswell. thats when i pot up to 20,s. then with the repot and the 250, on with the 200,cfl. i get good results. not brilliant but i like to build a nice root mass like u said . iv got some bacteria brew,and kangaroots, roots exellurator. lol.to much really.i dont use it all at once tho and i only ever half dose anything maximumn. iv got sum square 6,5,s like. iv never flowered in em. im worried about plant count eh?. for me its a max of 4-6,bigger ladies. cheers for answering aswell mate. good work.