Tank Unlevel What Should I do?

[mainn]

I am filling my JBJ 30 rimless today and got about 23 gallons in and noticed the waterline has about a 1/4 inch difference between the front of the display and the back of the display with more water towards the front. When I use my level the stand and the glass seem level but the waterline isn't. Do I need to drain the tank to fix it? Can I leave it? What should I do about it? If I completely fill the tank will it fix itself?

 

[ReefMadScientist]

What is the stand sitting on? Hard floors or carpet?

 

[mainn]

Carpet on top of concrete I believe. I am in a second floor apartment so who knows.

 

[ReefMadScientist]

That is weird. The carpet should allow the tank to adjust itself. It it doesn't, add some foam between the tank and the stand. That will for sure fit it.

 

[Russ265]

shim the front of the stand with some sort of a matt?
I'd avoid shimming the tank itself due to stresses on the seals.
Let the stand take the brunt of it with the floor.

apartments are known for floor defects

 

[Oceansize]

The weight of the water is probably compressing the floor surface, whether it's wood or carpet. Assuming your tank is up against a wall, that would explain why the front is compressing more than the back. Finish filling your tank, wait a day or so for things to settle, then add shims until you're level.

 

[mainn]

After further inspection it appears just to be the back right corner that is off from the rest

 

[mainn]

The stand has 4 little feet, can I shim it while there is water in it or will I have to drain it? The tank is rimless and already has foam between it and the stand. Should I be worried about the tank cracking?

 

[evolved]

It won't crack the tank, but over time it could lead to a seam failure.

 

[mainn]

Its got bent glass corners on the front. Would it be possible to shim with water still in the tank?

 

[mainn]

Should it just be left with the lean