Anyone use LEGOs to aquascape?

Just keep in mind that the constructed lego creations are going to float. I have found a few hands and other pieces in the sand on occasion though... screen top didn't stop them from entering. :0)
 
What a way to combine two of my greatest interests! I am not likely to sink some of my other investment into my reef, though.
LEGO(R) pieces are made with ABS, so they are reef-safe. Due to stud-and-tube coupling allowing air pockets, creations are likely to float unless all air is removed.

Not something I would do, but I'd suggest Lego IS highly likely to be "Reef safe"

I've had a Lego Minifigure stuck to the top of my garden fence for 18 months now (He waves to the CCTV Camera I have watching the back garden), and after a long time in the Australian sun / wind / rain there's zero fading of the colours.

I have no idea what the colouring is made of, but it definitely works !
Pieces can become yellowed from sun exposure due to a chemical element concentrating on the surface, but this is reversible by placing the pieces in a hydrogen peroxide solution and placing them back out in the sun for a period of time! I think it is more common on older pieces and on certain colors (such as white, blue, and gray). They are quite durable!
 
Any used LEGOs to hold rocks up or make shelves lol. highly considering it
I've used LEGO as part of the scape in a tank "back in the day". Only real issue is that LEGO are fairly buoyant and the air between the LEGO doesn't really escape from between the pieces. That said, I used fishing line to secure some pieces so that they were floating mid-tank. Great effect. Over time algae and such started to collect on the pieces so I pulled them out.
 
hmmmm... if I stick my husbands Lego's into my tank maybe he would be more interested in it.
If he considers his LEGO collection anything like I consider mine, you may get different attention than you want for your reef! (...though I do have plenty of extra pieces less valued to me that could be used in a reef...)

I've used LEGO as part of the scape in a tank "back in the day". Only real issue is that LEGO are fairly buoyant and the air between the LEGO doesn't really escape from between the pieces. That said, I used fishing line to secure some pieces so that they were floating mid-tank. Great effect. Over time algae and such started to collect on the pieces so I pulled them out.
Try building underwater if you do not want them to float. Spin each piece underwater to remove air before combining pieces underwater.

The floating effect could be utilized to great effect, though, just like you mentioned!
 
I’ve seen it done at the Charleston Aquarium. It was a fish only, but I don’t see why it wouldn’t work as a reef.
 

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Found on nano-reef.com. I love the creativity of this!

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Found on nano-reef.com. I love the creativity of this!

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Are there any critters in there? My plan is to put some pin cushion urchins in and let them move the Legos around. I think I will just use my 10 gallon and I don’t expect to keep fish but might add a decorator crab.
 

IF YOU HAD TO TAKE A REEFING EXAM, WOULD YOU PASS?

  • Yes!

    Votes: 32 45.7%
  • Not yet, but I have one that I want to buy in mind!

    Votes: 9 12.9%
  • No.

    Votes: 26 37.1%
  • Other (please explain).

    Votes: 3 4.3%
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