what do u think of my grow room

the room is bout 1 foot x 1 foot and 2 foot high is backed with white reflective sheet. i have a 125 watt cfl which emits 8100 lumens at veg colour and am gonna get same but red for flowering. im using canna cocco mix with clay pebble n canna cocco a+b nutes after bout 2 week. im only after one plant would this be sufficent