Hardscape additions: REALLY HEAVY rocks

[Rass]

Also keep in mind if you have an inch or so of substrate between the rock and your egg crate or pvc safety barrier, plus more substrate cradling the entire bottom of the rock your actually distributing the weight through the entire surrounding substrate bed. Not one single point on the glass.

 

[fishguy1978]

Here are some pics of the SD that will be going into the 220.

 

[fishguy1978]

Well, after 2yrs of enjoyable submersion the rock has gone emersed in the backyard.

 

[jjohnwm]

Dang! What a shame...they were probably almost fully waterlogged!