Tank leaking from bottom? - The Planted Tank Forum
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post #1 of 22 (permalink) Old 04-19-2017, 10:49 AM Thread Starter
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Tank leaking from bottom?

So, I woke up at about 3 in the morning to a splashing noise, I thought it was the filter making a noise because of my low water level in my 55, so I went back to bed. At about 4:30 I wake up, this time the sounds more violent, so I get up and check it out. I walk over to my desk to see my not even a week old shrimp tank 1/3 full. Long story short, we end up finding that the bottom is broken, so we drain the tank and remove the shrimp.

Any ideas as to how something like this could happen to a brand new tank? I had rocks in my tank but they were on egg crate, just so this wouldn't happen.
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post #2 of 22 (permalink) Old 04-19-2017, 11:49 AM
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Was the tank possibly on an uneven surface?

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post #3 of 22 (permalink) Old 04-19-2017, 11:52 AM Thread Starter
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Was the tank possibly on an uneven surface?
Nope, it was on a level desk.

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post #4 of 22 (permalink) Old 04-19-2017, 11:55 AM
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Maybe just a defective tank then. Possibly had a chip or crack that you never saw.

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post #5 of 22 (permalink) Old 04-19-2017, 11:57 AM Thread Starter
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Maybe just a defective tank then. Possibly had a chip or crack that you never saw.
That sucks, the tank was doing good.

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post #6 of 22 (permalink) Old 04-19-2017, 01:57 PM
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Is your tank rimless? Is this the 55Gal?

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post #7 of 22 (permalink) Old 04-19-2017, 01:58 PM Thread Starter
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Is your tank rimless?

Dan
Nope, standard 10 gallon.

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post #8 of 22 (permalink) Old 04-19-2017, 02:03 PM
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Only things I can think of are the tank was cracked when you got and you didn't notice or one of the rocks was dropped during setup and when filled with water the weight caused the crack to spread until it eventually failed. Maybe its possible to get a refund?

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post #9 of 22 (permalink) Old 04-19-2017, 02:05 PM Thread Starter
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Only things I can think of are the tank was cracked when you got and you didn't notice or one of the rocks was dropped during setup and when filled with water the weight caused the crack to spread until it eventually failed. Maybe its possible to get a refund?

Dan
I'm not worried about a refund, it was only $11 and I have a spare tank. Just curious as to why it could of happened.

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post #10 of 22 (permalink) Old 04-19-2017, 02:57 PM
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There is also some chance that what we think of as a totally flat surface, isn't?
Before putting another tank on the same spot, I would want to check the surface. Not so much for level as that is less problem but for actually being flat. It may depend on several things about the desk. Is it a good material like real wood or perhaps a lesser quality that may be something like laminae of MDF or particleboard? Even real wood can do some strange things when we move them around. An uneven floor may make the desk warp down on one end, etc. so that the tank has a twist. A twist is really a lot bigger problem and that is often what cracks a bottom.
I would want to put something like a yardstick on edge and turn it several different directions to test for flat before trusting another tank there. One way to help spot an uneven surface is to do it in a somewhat dark room while shinning a flashlight at the far bottom side. Any light leaking under will show better than eyeballing alone.
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post #11 of 22 (permalink) Old 04-19-2017, 03:01 PM Thread Starter
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What kind of intrigues me is that the tank in question was set up for months in the same spot, but only lasted 5 days with sand and rocks in it. This make me think it was too much weight on the glass, is that also a possibility?

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post #12 of 22 (permalink) Old 04-19-2017, 03:29 PM
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I raise African cichlids (mbuna) and that means lots of rocks for hiding. I have never had a problem with rocks and weight even when loading the tank nearly full. The weight of rocks is not terribly much more than the weight or the water it displaces and it is normally within the safety factors built into tanks. I also never use eggcrate as I find it a non-factor.
But if there were a twist being put on the tank, it might take some time for the weight to make the silicone seals slip far enough to twist the glass to the popping point. We think of glass as solid but it will actually bow to some extent. I have some tanks with wooden canopies that have to be put on before the tank is filled or the sides bow and the canopy doesn't fit down over the top edge!
Just guessing? But I could see a tanks setting and very gradually going more and more until the glass reached it's limit and popped.
But this is just something to check and may not be the true cause at all. Just throwing out some ideas and guesses are really bad sometimes!!!
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post #13 of 22 (permalink) Old 04-19-2017, 03:31 PM Thread Starter
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I raise African cichlids (mbuna) and that means lots of rocks for hiding. I have never had a problem with rocks and weight even when loading the tank nearly full. The weight of rocks is not terribly much more than the weight or the water it displaces and it is normally within the safety factors built into tanks. I also never use eggcrate as I find it a non-factor.
But if there were a twist being put on the tank, it might take some time for the weight to make the silicone seals slip far enough to twist the glass to the popping point. We think of glass as solid but it will actually bow to some extent. I have some tanks with wooden canopies that have to be put on before the tank is filled or the sides bow and the canopy doesn't fit down over the top edge!
Just guessing? But I could see a tanks setting and very gradually going more and more until the glass reached it's limit and popped.
But this is just something to check and may not be the true cause at all. Just throwing out some ideas and guesses are really bad sometimes!!!
I appreciate all your help, but I'm truly paranoid to set up a new tank when I get home, as I have shrimp in a jar that I have to get back in a tank asap. I don't want to set it up and it be the same thing again.

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post #14 of 22 (permalink) Old 04-19-2017, 04:12 PM
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Quote:
Originally Posted by Mattb126 View Post
What kind of intrigues me is that the tank in question was set up for months in the same spot, but only lasted 5 days with sand and rocks in it. This make me think it was too much weight on the glass, is that also a possibility?

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Its unlikely that the sand or rocks weigh more than the water they'd displace. Let me rephrase that to if they sand and rocks weigh more than the water they displace its unlikely they weighed more than the glass could handle. I think its more likely that you could've unknowingly damaged the glass when placing the rocks.

Do you have a photo of what the tank looks like and the damage? Seeing it might help someone clue into a possible reason.

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post #15 of 22 (permalink) Old 04-19-2017, 04:14 PM Thread Starter
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Its unlikely that the sand or rocks weigh more than the water they'd displace. Let me rephrase that to if they sand and rocks weigh more than the water they displace its unlikely they weighed more than the glass could handle. I think its more likely that you could've unknowingly damaged the glass when placing the rocks.

Do you have a photo of what the tank looks like and the damage? Seeing it might help someone clue into a possible reason.
I had to leave for school, as I was late already due to cleaning up the mess, so I'll get one when I get home.

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