The work starts here. 20ft tank!!

  • We are currently upgrading MFK. thanks! -neo
Agreed just cut it in the middle and reglue it in the basement. It will actually work to your benifit because with all the added support in the middle after repair/reglue it should cut down the bowing of the 20' span. That tank is too amazing to not utilize the full length.

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The seam is at 10' where they butt jointed the two pieces of acrylic together it wouldn't be hard to cut right down the seam then join it back together I suppose...
I have this issue of exchanging large tanks very quickly and I don't want to cut it down again a year later if I decide to sell it.

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In response to Wednesday. Stupid to make a comment like that. 3/8" acrylic has it's limits!

Let's keep this post friendly. We all know 3/8" is underbuilt for this size tank, however I don't think that the entire tank needs to be scrapped as you earlier stated. I appreciate your input along with everyone else's. The main question is where to go from here... I've seen a number of tanks under built last for over 10 years and still going strong, that other may consider "scrap". Regardless of its thickness the tank or atleast a portion of the tank will be filled with water in my basement. Let's just put all our knowledge together to figure out the best case scenario for this aquarium

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In response to Wednesday. Stupid to make a comment like that. 3/8" acrylic has it's limits! I've even seen it snap in half.

Most standard 180's (6'x2'x2') use 3/8" acrylic and work just fine or they wouldnt be sold that way. I agree they need further reinforcement. But this is exactly what im talking about when tanks are not made right. 1" acrylic can snap in half just the same as 3/8" or any thickness not used in the right way. In your instance with a top brace cracking. This is also very common on any acrylic tank in any thickness. The top sheet/supports undergo the most stress on an acrylic build. Any tank that is well made will typically have the top thicker material than the rest of the tank or even multiple sheets laminated together for support. Its all about support with acrylic not so much material thickness. Ive owned an acrylic 60gal that was 34" tall and 1/4" acrylic. Proves every calculator wrong but tank held just fine. There are always extremes in both directions for standard calculations.

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The seam is at 10' where they butt jointed the two pieces of acrylic together it wouldn't be hard to cut right down the seam then join it back together I suppose...
I have this issue of exchanging large tanks very quickly and I don't want to cut it down again a year later if I decide to sell it.

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Sounds like this is the perfect tank for u then.. once its glued back together in ur house its physically impossible to get it out lol...i have the opposite problem, i pretend like i will sell a tank then i just slide things around and make them all fit :)

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Sounds like this is the perfect tank for u then.. once its glued back together in ur house its physically impossible to get it out lol...i have the opposite problem, i pretend like i will sell a tank then i just slide things around and make them all fit :)

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Lol I just want one large "perfect sized" tank. Perfect size doesn't really mean largest. Perfect is what fits in my house the best and can house my fish the best. I want to sit and enjoy my "perfect tank" without thinking how I could improve on it lol probably will never get to that point but OH WELL its fun mowing threw different aquariums

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You could always glue extra acrylic braces along the top and bottom on the inside. That would also help from bowing


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I have a friend coming over in a few days who builds houses, he will be able to tell me if a 14' tank on the main floor is safe.. or if I can open up the landing at the bottom of the stairs more so I can get a longer tank in and out. Right now I can only get this tank in the basement if it were 11' max. If I could knock a little more of the wall out to bring it in full size of 13' or more it would be worth it to me to cut it down.
Once I figure out where the tank is going and what size it will finally be I will start to figure out bracing and beefing up the joints

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