Aquarium Volume Problem

[thebully03]

I posted earlier that I had a 125....enter the dilemma and many questions now....please see this video and help me if you can.
http://www.youtube.com/watch?v=DhqnaYEGYTk

[mcgyvr]

and your questions are?

[All6Fish]

By your measurements your tank is 74.8 gal. Why would you have a 4 inch sand bed? 2 inches would be considered a DSB....4 seems extreamly high.

[bundybear1981]

would you have a 4 inch sand bed? 2 inches would be considered a DSB....4 seems extreamly high.

A sand bed is still considered shallow at 2 inchs. A deep sand bed is typically 4 to 6 inchs.

This is a great article on sand bed anatomy.
http://www.reefcentral.com/forums/showthread.php?t=1652103&highlight=sand+bed+anatomy

[All6Fish]

learn something new everyday......