Some quick videos

Got a few videos the other day. Nothing special. They are shot with my phone so going full screen, at 1080p is your best way to watch them.
Finally (after 3 weeks of putting him in) I got to see my tiger pistol shrimp in action. I have had a yellow watchman goby since he was little (purchased in 2007) and he has always been lonely. So I got him a friend. They immediately found one another, and I finally got to see them in action together. I can watch the shrimp work for hours, lol. Funny, that right after he was done working on this trench/perch for a few hours, he knocked it all down and went to another dig site, lol.

And here is a shot of my true percula clowns. They were purchased together as little babies in 2007. I get eggs on a regular basis. Never harvest them (just don't have the time to raise them), so the fish get some extra nutrition. They are in their RBTA, which the went to as soon as I added it to the tank. Then I pan over to see the tiger pistol shrimp doing burn outs in his little cave.

 

very cool I love to see symbiotic relationships in action.

Why the egg crate under the sand? I've seen that a couple of times but can figure it out

 

It was so my rock wouldn't sit directly on the glass. If I could do it again, I would trim the egg crate to the profile of the rock sitting on it, rather than the whole sheet. I don't like looking at it when it gets exposed.

The one positive to it is that even tho your powerheads may blow the sand off and expose the top of it, there will always be sand trapped in the 'squares' that the currents can't blow out.