240 gallon acrylic not leveled

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midasman714

midasman714

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MFK Member
Oct 22, 2007
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Fountain Valley, CA
Check level before fill, things looked ok. Now filled it's clearly not leveled, almost half inch difference end to end (length wide on a 96" long)

Questions are:
- any short term concerns?
- I'll fix this is the long run but in event I don't, what's likely to happen to the tank?
- what are indicators of tank stressing? Bubbling, stress marks etc?

20181223_140844.jpg 20181223_140831.jpg
 
midasman714 said:
Check level before fill, things looked ok. Now filled it's clearly not leveled, almost half inch difference end to end (length wide on a 96" long)

Questions are:
- any short term concerns?
- I'll fix this is the long run but in event I don't, what's likely to happen to the tank?
- what are indicators of tank stressing? Bubbling, stress marks etc?

View attachment 1350537 View attachment 1350538
Click to expand...


Did you use a level tool?
 
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BIG-G said:
Why would you not fix it? Just drain the tank and level the stand. Then you don’t have to worry or wonder what’s going to happen.
Click to expand...

It's a 240 so will take some time and people. The side that's lower is pinned to the edge so another factor to consider.
 
I get it. It will take some effort to correct.
But it would be well worth the peace of mind to know the tank is leveled and stable instead of waiting for that big crashing sound of water rushing across the floor.
Myself I would drain it and leave it empty till I could set it up properly.
I read in the original post it was level before you filled.
Could there be an issue with the floor?
Is this a concrete slab floor or wood construction?
 
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BIG-G said:
I get it. It will take some effort to correct.
But it would be well worth the peace of mind to know the tank is leveled and stable instead of waiting for that big crashing sound of water rushing across the floor.
Myself I would drain it and leave it empty till I could set it up properly.
I read in the original post it was level before you filled.
Could there be an issue with the floor?
Is this a concrete slab floor or wood construction?
Click to expand...

Concrete slab.

We didn't take enough time and things probably shifted.

IsI be more concerned if this was a glass tank but will eventually pick a day to do this. My wife wants one of the walls painted so will just two birds.
 
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You need to level the tank, even though acrylic seams are stronger than seams on glass tanks, they will still weaken with time if the weight isn't evenly distributed.
 
midasman714 said:
It's a 240 so will take some time and people. The side that's lower is pinned to the edge so another factor to consider.
Click to expand...

It shouldnt be as hard as you think and wouldnt need allot of man power. You can shim it yourself. Add shims to the closest point to the area that pinned against the floor but has a large enough opening to allow the shims to slide in easily. As you add them the area will raise. Then remove the shims that arent being used to support the stand. A rubber mallet and shims is all thats needed
 
What's most important is to make sure that all 4 corners of the tank is level, if they are not, it will twist the bottom panel.
 
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