I'm sure ya' did but...
Did you call your local PetSmart?
I took mine from a complete combo they had on display. They had no problem with selling me the tank only
20g long with... (4) 30" T5HO Colormax/6700K - CO2 @30ppm - Fluorite black sand - Canister w/Purigen - EI dosing & Osmocote Plus - RO/DI filter (Plants & FRS)
My 180gallon SPS reef tank had 2,160 Watts of light waaaay back in the early 1990's... (3) 400 Watt German-10K Metal Halides and (6) 6' 160 Watt VHO RS/03 (3 IceCap 660 ballasts)