This is my little set-up. Not much space. I made reflectors to put around the edges of the tray to get more light underneath and lower inside. Quite a bit of messing about but I reckon it is nearly as I want it. 200w CFL Dual Spec Peat free compost Perlite Canna Terra
Update, I fim'd one plant the other day and it looks like I might have 5 at that point. Will know for sure in a couple of days. Maybe 4 in another place.. It worked