In South Korean markets, the cheap tubes of "wasabi" are colored horseradish. The texture of the cheap stuff is grainier. As for the taste difference, I can't t

In South Korean markets, the cheap tubes of "wasabi" are colored horseradish. The texture of the cheap stuff is grainier. As for the taste difference, I can't think of the right words, but it's like the difference between cheap and fine coffee. The flavor of real thing is somehow mellower and richer.