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Not sure if this the best place to ask but worth a shot. I want to put a fish tank on the end of this desk. It is a 10 gallon tank and all up will probably weigh about 65kg (water, substrate, tank included).

Any ideas on the weight limit of this desk and if it will support this tank? IKEA does not list any.

The tank is 50cm x 25cm and will be only over the top of the drawers as they are 60cm x 35cm

enter image description here

https://www.ikea.com/ca/en/p/lagkapten-alex-desk-black-brown-black-s69417690/

https://www.ikea.com/ca/en/p/alex-drawer-unit-black-brown-60473548/

Graphus
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Zac Warham
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    Welcome to WW.SE. Unfortunately, this question is off-topic for this SE. Ikea often publish recommendations for some items, but at the end of the day you are going to have to make your best guess. Think about static and racking forces. Can you stand on this desk and feel safe? Maybe it's safe for a tank. But we can't answer this. –  Nov 04 '21 at 23:25
  • Search the Q&A for "tank" for all the other similarly closed questions. –  Nov 04 '21 at 23:30
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    Hi Zac, is an Ikea nearby that you can visit? If this desk is on display you can sit on end to test! I think this will be ok, because weight will press down into cabinet, which can take much weight. – Volfram K Nov 05 '21 at 05:59
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    @jdv I find similar questions that are not locked? – Volfram K Nov 05 '21 at 06:08
  • @VolframK I already own it so I suppose I can just do that as is! – Zac Warham Nov 05 '21 at 07:12
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    "I already own it" Ah that's perfect, you can easily assess whether you think it'll take the weight required using your body weight. Is it safe to assume you are more than 65kg? :-) – Graphus Nov 05 '21 at 09:50
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    @Graphus Actually I am 65.2kg so cutting it close! – Zac Warham Nov 05 '21 at 11:01
  • And thanks @jdv I missed your comment earlier about racking – Zac Warham Nov 05 '21 at 11:02
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    "Actually I am 65.2kg so cutting it close!" Hehe! I think the last time I was approximately 65kg was around 1979 ROFL – Graphus Nov 08 '21 at 20:35
  • @Graphus 10 months on and both the fish and desk are doing great! – Zac Warham Sep 13 '22 at 20:10
  • Good to hear, thanks for the update! Edit: now maybe one or two other helpful souls will finally agree that my Answer was in fact helpful *sigh* – Graphus Sep 14 '22 at 21:24
  • I am currently using 20 gallon tank on side next to my gaming PC and no problems what so ever. Water level is also right no tilts. Just make sure to use something under the tank like some sort of yoga mat of insulating mat. – Damian Sep 13 '22 at 18:01

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I think this should be fine, but as mentioned in the Comments you'll want to assess for yourself.

While the knockdown fasteners that Ikea use here are not noted for being a super-strong way to put things together they aren't weak either, and the bolts or cams would have to literally tear out from the chipboard/particleboard for this to fail.

In terms of resistance to racking (any leaning side to side or back to front) back-and-forth motion is a non-issue. Side-to-side motion is a potential for concern however, but the top links the two units quite securely; so IMO both would really have to fail in order for this to collapse sideways.

I just don't see that happening under a static load.

But you must plan for unexpected dynamic loads, which could include just someone hitting the edge of the desk with their hip as they walk past.

Note: if you decide to go ahead, do ensure that all fasteners are tight before you fill the tank with water. Don't over-tighten, but make sure nothing is loose before putting this under load.

Graphus
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  • Thanks for the advice. I was just discussing with my father and the first thing he mentioned was racking as well. It is in the corner of a room so going to put some 2x4's in the gap to push the load onto the wall if it is bumped. Thankfully I am the only occupant of the room so should be minimal risk of bumping it – Zac Warham Nov 05 '21 at 10:00
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    Absolutely perfect then, this removes all potential for collapse I think. Incidentally, similar solution to the one I advised in another Ikea-related Q, here. – Graphus Nov 05 '21 at 10:03