eggcrate

[Kayak_Guy]

Do I need eggcrate in the bottom of my tank, before I put sand and rocks in?

 

[bertoni]

I didn't. If you intend to rest the rocks on the bottom of the tank, though, that might be a reasonable safety step.

 

[Kayak_Guy]

I plan on putting the rocks on top on like a 3in sand bed.

 

[mwwhite]

We asked that same question when moving to the 150 from a 72. Most all the responses were against it for a couple of reasons. First reason is it will hold detritus and other bad stuff. Second reason was if you wanted to get any kind of sand sifting type of animal.

We ended up not doing it and putting the rocks right on the bottom then adding a 1.5 inch sandbed around the rocks.

hth

 

[hotreefbabe]

If you put the rocks on top of the sand bed burrowing fish and inverts. will be smashed under the rock! We did the same as mwwhite, except we have a 3in-5in sand bed for our Jawfish.

<a href=showthread.php?s=&postid=10268165#post10268165 target=_blank>Originally posted</a> by mwwhite
We asked that same question when moving to the 150 from a 72. Most all the responses were against it for a couple of reasons. First reason is it will hold detritus and other bad stuff. Second reason was if you wanted to get any kind of sand sifting type of animal.

We ended up not doing it and putting the rocks right on the bottom then adding a 1.5 inch sandbed around the rocks.

hth

 

[bertoni]

I've put rock directly on the sand, but that approach is a bit risky if there are diggers, as indicated, and probably for taller rock structures as well, since the sand might shift over time.

 

[MR PALM BEACH]

I have egg crate just for that reason, example first mistake was not placeing the rock down first then applying the sand bed. This resulted In a minor but could of been major rock slide. After placeing the rock on the sand bed erosion from the powerheads wiped out a nice gap underneath the rock and cause the slide. IMO opinion Its better to build a better foundation placing the rock down first and building the sand bed around It.