Can a tank be deeper than cabinet? - The Planted Tank Forum
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post #1 of 9 (permalink) Old 11-13-2020, 06:16 AM Thread Starter
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Angry Can a tank be deeper than cabinet?

Hi folks,

I ordered 50 gal UNS 90P tank + cabinet but while cabinet is here, aquarium delivery date is disappearing ... (covid).

I'm looking at other options. Waterbox does have a similar size aquarium but 5cm deeper than the UNS cabinet.

Cabinet surface = 900mm x 450mm
Aquarium base = 900mm x 500mm

If I go for that aquarium, and push it back so the front is flush with cabinet, but the back hangs out a little bit (5cm) from the cabinet, I wonder if that would present any danger? Would the base be strong enough (it's built with 1cm glass).

Thanks in advance.
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post #2 of 9 (permalink) Old 11-13-2020, 10:18 AM
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Aquariums need support along all four bottom edges. Any over hang will eventually crack one of the sides.

-Preeths
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post #3 of 9 (permalink) Old 11-13-2020, 03:27 PM
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I would add a board the length of the rear of the stand to support the tank overhang.
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post #4 of 9 (permalink) Old 11-13-2020, 04:16 PM
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Agree. If the top is flat, you should be able to cut a piece of plywood to fit, and put the tank mat on that. I did that with my Dennerle tanks that no one seems to make a stand for earlier this year: https://www.plantedtank.net/forums/2...-2020-a-4.html
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post #5 of 9 (permalink) Old 11-13-2020, 04:40 PM Thread Starter
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Thanks folks 🙂
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post #6 of 9 (permalink) Old 11-13-2020, 04:45 PM
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With smaller aquariums I wouldn't mind using a piece of 3/4 plywood but for a 50 gallon.. I would not rely on plywood to be the sole support of nearly 2 inches of a 50 gallon tank including 2 of the corners.

You could get a piece of granite counter top cut and I feel like that could be strong enough ... maybe. Honestly if it were me I would either return the cabinet or wait for the proper tank.



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post #7 of 9 (permalink) Old 11-18-2020, 11:42 PM
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I have a Waterbox 4820 with cabinet and the tank. The cabinet doors are designed to sit flush with the doors. So when the doors are open there will be a little bit of overhang from the tank. The materials the tank and cabinet are made off are designed to compensate for the overhang. No need to put plywood underneath.
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post #8 of 9 (permalink) Old 11-18-2020, 11:48 PM
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Quote:
Originally Posted by minorhero View Post
With smaller aquariums I wouldn't mind using a piece of 3/4 plywood but for a 50 gallon.. I would not rely on plywood to be the sole support of nearly 2 inches of a 50 gallon tank including 2 of the corners.
Good catch, my friend! Appreciate you doing the math. I don't do well with metric and when I saw the measurement in millimeters my brain just assumed it was slight. Rather than go with granite or stone, I'd think a couple of 2x4s at each back corner (from top to floor) would make plywood sturdy enough. But yeah, a 2" overhang could be trouble, especially if it were to get wet.
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post #9 of 9 (permalink) Old 11-21-2020, 10:51 PM
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For that much of a hang over I would screw and glue a 2" x 4" horizontally along the back top edge of the current stand and leave it 1/16" or so proud of the top of the stand. I would then trim the 2x4 flush to the top with a router and flush trim bit. I think this would be much better support than a 3/4" piece of plywood and probably look better too.

OK, a 2 x 4 won't give you the 50mm you need. Be creative and laminate a couple pieces of thinner wood if needed.
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