Hi all,

I was just woundering if a Norton Waterstone needs lapping when it is bought new.

I have had mine for about a month now (I have a 4/8K), and I have notices that I cannot hone any of my razors right with it. Yesterday I notices that when I hone on the 8K side, I get a noice from it that makes me think that it is not completly smooth, and I also get some black lines one it (not sure how).

If it does have to be lapped before use, can I use sandpaper to lap it, or do I need to buy a lapping stone?

Cheers,

Steven