Out, out, damn lime scale

Spooner wants me to bring him another can of Zud cleanser and, good pal that I am, so I shall. He claims that there is nothing like it in all of England for removing lime scale from his sink, bathtub and loo. I find that hard to believe -- I'm sure they've got an effective product, but he just doesn't know what it's called or where to buy it. I'll be doing research on this when I get there.