So I got a new used bio cube for a qt tank. Looking for ideas on what is essential for set up. I'm also thinking about letting my son make me a cool Lego city aqua scape! Anyone tried Legos in there tanks? I could use some sort of base I can hold down with magnets? Uh. Idk just throwing out random thoughts here! Who's done led upgrades to a 29 bio cube? Show me your cube give me ideas.
im looking forward to seeing pictures of the legos if you go through with it and if its successful... as for the lights... im looking to upgrade mine to a retrofit set up here in a few months... I think one of my favorites so far is....

