i have a 55 gallon pre-drilled tank, a 48" light hood, a oak wood stand, with dual swinging doors, i have a model 1 sump filteration system, with sump pump, a 750gp kurani power head. 90 lbs of live sand, about 5-10lbs of live rock...dont have room anymore...NO SCRATCHES, NO LEAKS, STAND GREAT...