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Old 03-13-2013, 04:23 PM   #1
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Advice please! DIY Upside Down Aquarium

I have plans to make a two-piece upside down aquarium that holds approximately 4 gallons.
Bottom tank measures about 10x10x6.5 (LxWxH) and the flipped tank will measure about 6x6x13 (neither tank will have braces/rims or whathaveyou, just silicone).
My only conundrum is deciding how thick the glass should be. I've already been to a couple of aquarium glass calculator sites and they say it should be a quarter of an inch thick, however my store bought 10 gal tank has a thickness of about an eighth of an inch (has a rim on top and bottom). Should I really use 0.25" thickness or would it be safe to go a little thinner?

Will be more than happy to post my progress when I finalize the plans.
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Old 03-14-2013, 02:42 AM   #2
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if you are planning on going rimless, you are going to need to run thicker glass. id look into acrylic if possible because it bends a bit more and usually can flex under the weight of water. whereas glass will just crack
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my 125g Sw...Round 2!http://www.aquariumadvice.com/forums...220171-33.html
ever see someone cut a 125g in half??
http://www.aquariumadvice.com/forums...-286438-4.html
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Old 03-14-2013, 03:09 AM   #3
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I'd definitely go for the .25 thickness as suggested. Rimless needs more thickness behind it to account for the missing bracing.

Also, what is an upsidedown tank? I've never heard of one?
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Old 03-14-2013, 03:12 AM   #4
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upside down tank....
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my 125g Sw...Round 2!http://www.aquariumadvice.com/forums...220171-33.html
ever see someone cut a 125g in half??
http://www.aquariumadvice.com/forums...-286438-4.html
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Old 03-14-2013, 03:15 AM   #5
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no but really...heres an upside down aquarium
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my 125g Sw...Round 2!http://www.aquariumadvice.com/forums...220171-33.html
ever see someone cut a 125g in half??
http://www.aquariumadvice.com/forums...-286438-4.html
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Old 03-14-2013, 04:40 AM   #6
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Haha nice one! Should have worded that differently lol

Anyways, that looks really cool!! I'd go for the glass that was suggested by those sites though. They know their stuff...I wouldn't want to spend all that time making something so cool only to use a lower thickness and have it end up falling apart just because the smaller thickness would have looked more appealing. Just IMO though.
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Old 03-14-2013, 10:07 AM   #7
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Thanks. :3
Now I can complete the dimensions and get started. I did consider acrylic, but can I bond it the same way?
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Old 03-14-2013, 05:14 PM   #8
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acrylic can be bonded via a chemical bonding agent. it literally melts the acrylic together. oh and to whomever is interested, you have to slide an air hose up into the top tank and suck the air out, which in turn pulls the water up. only downside to these tanks are that if the water level in the lower tank drops below the rim of the top tank, itll break the vacuum seal and dump water everywhere.if you need a demo, fill your sink with water, stick a glass down in the water and invert it, slowly pull out of the water till the cup edge comes out, watch what happens
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my 125g Sw...Round 2!http://www.aquariumadvice.com/forums...220171-33.html
ever see someone cut a 125g in half??
http://www.aquariumadvice.com/forums...-286438-4.html
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Old 03-14-2013, 11:18 PM   #9
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I came across the idea on YouTube. I thought it was an awesome way to keep a betta plus some bamboo or other semi-aquatic plants. I can only hope my betta doesn't feel like jumping out.
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Old 03-14-2013, 11:38 PM   #10
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Quote:
Originally Posted by TheGuppyGirl View Post
I came across the idea on YouTube. I thought it was an awesome way to keep a betta plus some bamboo or other semi-aquatic plants. I can only hope my betta doesn't feel like jumping out.
Should be good to go as long as the water level doesnt drop too much
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my 125g Sw...Round 2!http://www.aquariumadvice.com/forums...220171-33.html
ever see someone cut a 125g in half??
http://www.aquariumadvice.com/forums...-286438-4.html
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