Rebel1970
Aquarium Advice Activist
Call me crazy, but I am seriously thinking about making some caves and hiding spots out of legos. There is a ton of legos on ebay for sale. Has anyone tried this? If so does it work, and how did you do it?
I've seen a Lego themed tank before. I'm pretty sure there's some type of sealant for them and you should be fine.
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No Lego is safe for aquariums.
Meet My Lego Quidditch Aquarium - 170827
Here is an awesome Lego aquairum build that I found on another forum.