Tank Bowing

  • We are currently upgrading MFK. thanks! -neo
listen to dr joe he is typicall on the right page...and i would never trash a 5000+ let along a 180 hahahahaha
 
Dr Joe;1142138; said:
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HaHahahahaha...Yea Right. Trash a 500g tank. Oh, MY sides are splitting now!


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Unless it is a really short tank, I stand by my statement. 3/4" material is too thin for a 518, and the bowing and seam problems he is encountering support my conclusion. The design is flawed.

Ask anybody who has had a large tank explode, and I think they will agree its not worth the risk, not only from a financial standpoint, but also from a safety position. If your fix doesn't work hopefully his only problem is a flood and not serious injury or worse.

I agree with your recommendations most of the time, but not today. If he can get his money back and start over, he would be much better off. If not, cut your losses, and still start over.
 
robkob;1143997; said:
Unless it is a really short tank, I stand by my statement. 3/4" material is too thin for a 518, and the bowing and seam problems he is encountering support my conclusion. The design is flawed.

Ask anybody who has had a large tank explode, and I think they will agree its not worth the risk, not only from a financial standpoint, but also from a safety position. If your fix doesn't work hopefully his only problem is a flood and not serious injury or worse.

I agree with your recommendations most of the time, but not today. If he can get his money back and start over, he would be much better off. If not, cut your losses, and still start over.
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Here's the recommended glass-thickness from garf.org.

Material = Glass
Tank Height = 36"
Tank Width = 36"
Tank Length = 96 "
Glass Thickness = 1/2"
Approximate Gallons = 539

I dont know if these are the dimensions, but 1/2" glass is fine. Thats not where the problem is. Its the silicone. I'm thinking there was too much silicone between the two surfaces.
 
My bad, I'll start cooking my crow now... I assumed it was acrylic, (though I wrote glass earlier.) Go figure.

I hope it works out for you. Good luck.
 
unfortunatly i don't think that is the problem i did the re sealing, and there isn't that much between the two pieces, there is alot or n the inside corner tho. When empty the 2 pieces of glass are basically touching. i will post some pics the first is the part that is bowing, all the seams like the one in the pic, the second is a close up to show that when empty the glass is together, either tomorrow or sunday i will fill it and take a picture of the gap

0921071048.jpg

0921071048a.jpg
 
Sounds as if the silicone between the glass has be comprimised. I think you would need stirp it down and rebuild the tank, not just reseal it. Does the tank have any type structural framing at the top of the glass?
 
yeah it uses angle iron top and bottom, what if when i fill it up and it bows i fille the gap with silicone then drain the water do u think that would work at all??? i will scrape the edges of the gap before siliconing it. If u really really don't think that will work it will be possible to tear it all down but then i have to redo do everything i already did, and i will need to find a few people to help me because the glass is very very heavy
 
That may possibly work, what it boils down to though is if you are going to be comfortable with having that tank full and in you house.
 
I dont think the bow and refill will work. I think you'd be better off making a 90 angle out of 2" glass and siliconing it from top to bottom. That or redo the front and back.

I'd hate for you to redo the whole thing if theres another way... lets see what others say.
 
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