Tank Stand Durability
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Old 09-06-2008, 02:45 PM   #1
jjp2
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Tank Stand Durability


Last night, I got a used 135gallon tank with the stand. The stand is the "standard" pine planked stand with 3 doors and with 2x4's around the top and bottom. The planks are notched for the 2x4's. Honestly, it doesn't look like it would hold up over time with the 1,500-1,800 lbs of tank, water and substrate.


Should I scrap it and build one, re-enforce it or am I being overly cautious and should just use it since its built to be used for the tank by a reliable company?

It took a bit of convincing for the wife to allow me to get the tank (have a 55 now) so the last thing I need is for it to crash through a stand.

Thanks,
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Old 09-06-2008, 03:29 PM   #2
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Can you post a picture? How are the internal braces done? Are there 2x4s connecting the the top to the floor, if so are they doubled. Was the tank on the stand when you got it?
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Old 09-06-2008, 04:12 PM   #3
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Wood is much stronger than it may seem.

I'd say 'standard' stands are made of 1"x4"s (AGA's pine stands); is that what you meant? I have an AGA 1"x4" pine stand with my 75g on it and all is fine, but it does look "spindly", so I see where you're coming from. Yours is not much heavier by surface area (4' vs. 6' tank).

There are many ways of making a stand structurally weaker by reinforcing them; choose modifications carefully.
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Old 09-06-2008, 05:23 PM   #4
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yes... it is one of those AGA pine stands. the 1x4 boards are notched at the top and bottom to tie into the 2x4's.

I do know have to install a back and would like to put electrical outlets in it so I only have 1 plug. I would like to run the plumbing through an end, and that would definitely weaken it, so not sure about that yet.
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Old 09-06-2008, 08:39 PM   #5
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I think you are thinking like most diy'ers. They are plenty strong enough. No need to overengineer them.
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Old 09-06-2008, 11:23 PM   #6
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My guess is when you add the back, make it out of 3/4 inch Marine grade plywood, screw it every four inches with the screws going at least 3/4 into the frame and leg supports, drill holes into the plywood only, (no loss of strength). Then stand on the thing and rock and roll, if it snaps in half, it wasn't strong enough.
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Old 09-07-2008, 12:27 AM   #7
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Quote:
Originally Posted by die2win View Post
My guess is when you add the back, make it out of 3/4 inch Marine grade plywood, screw it every four inches with the screws going at least 3/4 into the frame and leg supports, drill holes into the plywood only, (no loss of strength). Then stand on the thing and rock and roll, if it snaps in half, it wasn't strong enough.
1/2 standard ply would be plenty sufficient. IF you need marinegrade your already under water and have a whole new set of issues. I wouldn't waste the money on marine grade.
http://www.canply.org/english/produc...parison125.htm
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Old 09-07-2008, 12:29 AM   #8
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http://www.fpl.fs.fed.us/rwu4706/mec....html#table_6_
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Old 09-07-2008, 12:33 AM   #9
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Thanks for the info, over_stocked. I'll put 1/2 ply on the back and add an extra panel over the ends by glueing it to the panels and call it good.
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Old 09-07-2008, 03:47 AM   #10
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Okay 1/2 inch ply, will work very well. If I put 1500 pounds onto something it would be able to carry a Bradley battle tank!
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Old 09-07-2008, 04:23 AM   #11
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that was exactly my thinking, die2win
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