Tank inside another tank, question. - The Planted Tank Forum
 
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post #1 of 6 (permalink) Old 06-05-2018, 01:16 AM Thread Starter
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Tank inside another tank, question.

so I have a 75 gallon, I am thinking of putting a ten gallon inside the first tank and filling it with dirt/plants to create a land area. My question is, would the ten gallon be able to withstand the pressure from both the dirt inside and the water outside? the water being to the brim of the ten gallon. I have un fertilized top soil for dirt.
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post #2 of 6 (permalink) Old 06-05-2018, 03:10 AM
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post #3 of 6 (permalink) Old 06-05-2018, 03:29 AM
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The thing is if it's fully submerged in the water, the tank will actually have essentially zero pressure on it because it's balanced on both sides of the tank. (i'm pretty sure thats how it works..lol)
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post #4 of 6 (permalink) Old 06-05-2018, 04:07 AM
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The thing is if it's fully submerged in the water, the tank will actually have essentially zero pressure on it because it's balanced on both sides of the tank.
Actually the pressures are not balanced. Dirt is denser than water that means the weight of the dirt will push out a little more than the water outside the 10 gallon pushes in. Its probably not a big difference and the 10 gallon will probably not be damaged. However I cannot say that for the 75 gallon.

The glass on the bottom of the tank is thick enough to withstand the pressure from water. but the 10 gallon tank full of dirt will weigh more and that could crack the glass if there is any small gap between the glass and the table it is on.

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The thing is if it's fully submerged in the water, the tank will actually have essentially zero pressure on it because it's balanced on both sides of the tank.
Actually the pressures are not balanced. Dirt is denser than water that means the weight of the dirt will push out a little more than the water outside the 10 gallon pushes in. Its probably not a big difference and the 10 gallon will probably not be damaged. However I cannot say that for the 75 gallon.

The glass on the bottom of the tank is thick enough to withstand the pressure from water. but the 10 gallon tank full of dirt will weigh more and that could crack the glass if there is any small gap between the glass and the table it is on.
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post #5 of 6 (permalink) Old 06-05-2018, 04:53 AM
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Actually the pressures are not balanced. Dirt is denser than water that means the weight of the dirt will push out a little more than the water outside the 10 gallon pushes in. Its probably not a big difference and the 10 gallon will probably not be damaged. However I cannot say that for the 75 gallon.

The glass on the bottom of the tank is thick enough to withstand the pressure from water. but the 10 gallon tank full of dirt will weigh more and that could crack the glass if there is any small gap between the glass and the table it is on.

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Actually the pressures are not balanced. Dirt is denser than water that means the weight of the dirt will push out a little more than the water outside the 10 gallon pushes in. Its probably not a big difference and the 10 gallon will probably not be damaged. However I cannot say that for the 75 gallon.

The glass on the bottom of the tank is thick enough to withstand the pressure from water. but the 10 gallon tank full of dirt will weigh more and that could crack the glass if there is any small gap between the glass and the table it is on.

Yea while that is true, as long as the stand is decent, it should be fine. It's just a 10 gallon with some dirt, it's very light in comparison to rocks that are used in hardscapes. If the tank/stand has no issues without the 10 gallon in it, it won't have any issues with it in it either.
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post #6 of 6 (permalink) Old 06-07-2018, 02:40 PM
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Quote:
Originally Posted by Surf View Post
Actually the pressures are not balanced. Dirt is denser than water that means the weight of the dirt will push out a little more than the water outside the 10 gallon pushes in. Its probably not a big difference and the 10 gallon will probably not be damaged. However I cannot say that for the 75 gallon.

The glass on the bottom of the tank is thick enough to withstand the pressure from water. but the 10 gallon tank full of dirt will weigh more and that could crack the glass if there is any small gap between the glass and the table it is on.
I've got at least a couple hundred pounds of gravel/rock in my 75 on a metal stand. It's strong enough.

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