Easy done mate, you just need to suppercrop your babies HST styles, I run 2 600 (Powerplant MH and Lucalox HPS) respectively in a 3m x 1.5m x 2m tent, only 4 babies to fill space that way in 28L pots straight canna with sox and rocks. All cured up get 19 zips per, that's cured...8 seeker. Prob...