Tank foam supports? - The Planted Tank Forum
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post #1 of 5 (permalink) Old 09-16-2017, 01:15 AM Thread Starter
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Tank foam supports?

Hello there!!

I recently bought a used aquarium and quickly realized that the plastic trim at the bottom is a bit crooked. To even it out, I rested the tank on foam pads mounted on wooden blocks at the four corners. Looking under the aquarium, I got the sudden worry about weight distribution. My question is : Is it alright to use foam pads at the 4 corners or should the tank rest on foam on it's entire surface?

The tank is a 85g tall.

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post #2 of 5 (permalink) Old 09-16-2017, 04:07 PM
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What do you mean the plastic trim is crooked? Can you post some pics of the problem area you are seeing?

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post #3 of 5 (permalink) Old 09-16-2017, 05:06 PM
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Generaly you need to support the entire aquarium frame, especially on larger tanks. You might get away with just supporting the corners on a small tank, like 5 or 10 gallon, but an 85 gal tank is going to weigh about 800 lbs by the time you get water in it.

If the frame is only a little out and not cracked or damaged, you can use thick, wide weather stripping or similar material along the entire bottom of the frame. That will have some give in it and conform to the bottom of the frame and the surface you put the tank on.
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post #4 of 5 (permalink) Old 09-16-2017, 06:03 PM
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In the UK in years past it was always suggested to put a polystyrene sheet or tiles beneath the tank. Polyurethane foam from an upholstery store also works, if you go with the polyurethane foam go with as stiff a foam if you can get hold of.

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post #5 of 5 (permalink) Old 09-16-2017, 06:33 PM
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On my 240gal I use a 1/2" R-tech insulation foam sheet cut to size from homedepot. Even with the tank completely filled, the foam isn't compressed.
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