Yeah it's not pretty, I know. I looked for a real ground block or bus bar like in your photo, but you cannot find these in Windsor Ontario to save your life. It's ridiculous. That terminal block was the only thing I could find. You also can't get glass block mortar, or Douglas Fir lumber here either, even though most of it comes from BC. Apparently it all goes to the States. Good thing we're close to the border.
We're going to Michigan today so I'll have a look over there, if what I have made with the terminal block is so bad.