一番取れたのは水でしたが、他のものですでに浮いてたという可能性もあるので度の液体が効いたかはわかりません。
2時間くらいゴシゴシしてましたとさ。

Water was the most successful at removing it, but there's a possibility that the other stuff I'd used had loosened it up, so I don't know which fluid actually worked.

I was scrubbing away for about two hours.