Wayne's Tank Journal - Current 90 on Page 5

[Wayne]

Originally Posted by CherylMcKay

Sorry for maybe a silly question, but... Why do you put egg crate in the bottom of the tank??

Egg crate is so the live rock doesn't sit on the glass. Because the rock doesn't sit completly level but rather on jagged points, it can crack the glass if you have lots of live rock. I thought it would be better safe then sorry