How deep to go front to back

[untamed]

Originally Posted by Delphinus

Wow 72x72 that would be a swimming pool Maybe you'd need a catwalk over top of that to reach the middle. But think of the aquascaping possibilities!! I think I'll be busy on the day you need to wrestle that tank into your basement though...

Yup....I won't be doing it again....but if I did, I would go 6 foot square. With a strong acrylic tank, you can crawl around on top of it easily to access anything you want. I didn't know that at the time, so I limited myself to 4 feet of depth.