Not that it matters now, but your stand looks as if it would have held a 32G JBJ
Thats an ikea bookshelf that I know is good to hold the 10 only. I’m not sure I’d trust it with anything larger. The space is also really tight with the couch and front access is difficult.
I have a 40 gallon freshwater tank on the other side of the tv in an area that is more roomy. I think I will wind up with a larger reef tank over there eventually