under the sand question

tada1096

New member
do most people but something under the sand like eggcrate or do you just pore the sand right onto the tank and let the rocks sit ontop? just wondering what most people do?
 
from what i've read most people lay somethind down to stabilize the rock and to protect the glass from fallen rock. i sure wouldn't want a ton of water on my floor and eggcrate is cheap so why not
 
I put down about an 1/8" of sand, put the rock on that (probably touching the glass in a few places), then added 2" of sand around the rock. Nothing is going to dig under the rock to cause it to fall, if it does fall its onto 2" of sand, and not the bottom glass.

I guess I could see if the rock snags the eggcrate right it might not be as likely to slide, but I don't think mine is likely to move anyway.
 
I use egg crate on all my tanks (no bare bottom tanks for me at this time) to help stabilize the rock. After aquascaping, I then add sand which further helps lock in the rock. If you place the rock on top of the sand, it will eventually shift under the weight of the rock and/or you bumping into the rock during cleaning and fragging.
 
Eggcrate, then 4 inches of sand, then rock. I'm too cheap to bury rock under the sand as a support. The way my diamond goby digs I may regret that. Regardless, the eggcrate will prevent any rockslide from cracking the bottom of my tank.
 
In my 60g cube, it is just a sand bottom. In my 150, I have eggcrate , then just enough sand to cover it. The reason is because I have a 4' moray who likes to move things around and I don't really want to come home to a REALLY PO'd wife!
 
I put eggcrate, then PVC rock supports, then rocks, then sand. The eggcrate helps distribute rock weight and minimizes impact from rock slides from a possible earthquake (Socal resident).
 
oh, please do explain.
Use of eggcrate prevents some sand sifters from doing their job!

I put eggcrate, then PVC rock supports, then rocks, then sand. The eggcrate helps distribute rock weight and minimizes impact from rock slides from a possible earthquake (Socal resident).
I don't have any experience with earthquakes...sounds like it might help, but still same problem as mentioned above.
BTW...in an earthquake 'rockslide'...what protects the 4 glass sides?
 
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