Building Aquarium Have Questions

[saltwata#1]

Ok i have a large cut in space when you walk into our den i was wondering how hard whould it be to build my own aquarium with the glass and sealing and stuff the the cut out is about 6 ft long and about 3ft wide i would love to do this becuse i want to upgrade from my 120 and have a reef setup in the middle and enough space for some smaller sharks or another lion and my angel is getting pretty big too so any replies if anyone has ever done it before it whould be greatly apperciated :needhelp: :happyfish :happy:

:jumping:

 

[dogstar]

Might be best to post in the DIY fourm and post pics of the space/room/walls and give some measurments.
I built my tank and stand and hood and fuge and its a lot of work. I swear I will never do it again but probly would if I had the room and $$ to go larger.