Want to buy fake coral

[Dooboedoo12]

So I have a fresh water tank. See pic below of how it looks for now. I have a huge piece if drift wood in adding and I want to add some rock that looks like coral. All the ones I've seen looks way to fake and I was hoping you guys could steer me in the right direction to finding realistic coral rock for the tank. Or just advice even on decor


The one with the rocks in it is the kind of coral looking rock I'm looking for. The emptyish one is my tank

 

[Camescu]

What about lava rock?

 

[Dooboedoo12]

They don't have those colors that pop out or I would for the bacteria