> kosher salt, which we in Europe don't have

We do (whatever Europe means in this context) but no offense if you can’t even find salt then how do you manage gochugaru or fish sauce for example?

I did the the Munchies kimchi several times and it was always perfect

https://youtu.be/hM-v5nTp0J0

https://www.vice.com/en/article/nzkpj7/homemade-kimchi