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  #1  
Old 08/06/2007, 02:19 PM
dream54ing dream54ing is offline
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tank leveling advice needed

problem: floor under the 4'x8' stand is not level (from the 8' length, not depth)

option: placing 1" plywood + 3/4" foam + 1" plywood (sandwiching the foam) + stand + plywood + tank


anyone have any experience on this? or should i just use shim one side to level it? i cant do anything to the floor, already placed travatine on the existing concrete slab. dont want to remove it. any other alternatives?

Last edited by dream54ing; 08/06/2007 at 02:32 PM.
  #2  
Old 08/06/2007, 02:43 PM
asm481 asm481 is offline
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glass tank? I wouldn't use the foam just the plywood with shims under it to level and fill gaps with a construction adhesive (caulk) then set the stand and the tank on this. You might want to partial fill tank to have it sit down tight then apply the caulk after rechecking the level with a bit of weight in the tank. I am assuming the tank sits fine on the stand. Any gaps between the tank and stand has to be corrected to keep a twist out of the tank.
  #3  
Old 08/06/2007, 03:06 PM
Alto Alto is offline
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I think shimming the bottom of the stand will be fine as long as the stand isnt an economy stand. Any well made stand should be able to take the shimming to level it. I would put a shim every 6-8" to give it the best support all around, and reduce pressure points.
  #4  
Old 08/06/2007, 03:17 PM
dream54ing dream54ing is offline
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forgot to mention. this is a 2" steel tube stand. tank is going to be an acrylic. 2" tubing around the primeter of the 4'x8' base.

bottom of tank and top stand is flat as can be.
  #5  
Old 08/06/2007, 05:06 PM
asm481 asm481 is offline
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Quote:
Originally posted by dream54ing
forgot to mention. this is a 2" steel tube stand. tank is going to be an acrylic. 2" tubing around the primeter of the 4'x8' base.

bottom of tank and top stand is flat as can be.
In this case, use foam, dense polystyrene between tank and stand with plywood under foam and shim stand legs for level
  #6  
Old 08/06/2007, 07:19 PM
dream54ing dream54ing is offline
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wouldnt the foam level the tank when the water is filled? would i still need to shim the stand?
  #7  
Old 08/06/2007, 08:30 PM
Pyrrhus Pyrrhus is offline
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Just shim the stand and call it good. As long as the aquarium rests on a flat level surface that is all that matters.
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  #8  
Old 08/06/2007, 09:20 PM
vanmle vanmle is offline
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Quote:
Originally posted by dream54ing
wouldnt the foam level the tank when the water is filled? would i still need to shim the stand?
Foam will not level the tank. Personal experience.
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  #9  
Old 08/06/2007, 09:28 PM
woodwrangler woodwrangler is offline
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Level the corners with shims, then work your way back and put shims under any center stand supports for added piece of mind. You won't get any added benefit from plywood or foam under the stand. Shims will do the trick.
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  #10  
Old 08/06/2007, 11:29 PM
dream54ing dream54ing is offline
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Thanks everyone for your input. i'll shim it
  #11  
Old 08/07/2007, 06:38 AM
asm481 asm481 is offline
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An acrylic tank needs to be supported under the entire tank. That is why i say the plywood under the tank. The foam over the tank eliminates point stress. The stand needs to be shimmed level so the whole thing is level.
  #12  
Old 08/07/2007, 08:40 AM
dream54ing dream54ing is offline
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i see...yea, my intent was to have a sheet of 1" plywood as the base. i was thinking the same thing about the foam, just didnt want to have everything setup and have to take the foam out. i might just shim it, as long as the tank is level, i'm happy.
  #13  
Old 08/07/2007, 12:04 PM
Helfrich’s Chic Helfrich’s Chic is offline
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Hey can I ask a related question in here Dream?
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  #14  
Old 08/07/2007, 01:52 PM
dream54ing dream54ing is offline
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NO!!!

alright, go ahead...
  #15  
Old 08/07/2007, 04:51 PM
Helfrich’s Chic Helfrich’s Chic is offline
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Well I kinda have the same situation. While I dont know if my floor is level, I have my prop tank set up no water in it yet, but its a rimless tank. Everyone has suggested foam, but then some say it doesnt level anything out. I figured foam then a nice think sheet of plywood would be best, but everyone is saying wood then foam. I guess rimlessios special, kinda like acrylic, so it has to be perfect or else its a wading pool in the room.?. Just wanted to see what thoughts on this were. Thanks!
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  #16  
Old 08/07/2007, 05:12 PM
asm481 asm481 is offline
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Quote:
Originally posted by asm481
An acrylic tank needs to be supported under the entire tank. That is why i say the plywood under the tank. The foam over the tank eliminates point stress. The stand needs to be shimmed level so the whole thing is level.
What I meant to say here is plywood to span the top of the stand so all is supported and 1/2 inch foam to relieve any stress points.

Foam will not level anything out, just smooth out high points.
 


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