Lego style smoke...?

Here’s a new one- Working in 2.8 on a smoke sim and it started rendering like Legos. It was working fine and I have not rebaked the simulation, only messed with textures. Even if I go back to the old texture, it’s still coming out blocky. Ideas?

https://drive.google.com/open?id=18y8fofQVSJiEw1ADbDw3-3lPTTy_VGEi

That’s the blend file

Fixed it. There was a setting called “smoke scale” in the shader. When it’s less than 1, it gets blocky