If you can brush your fingernail against the edge, upwards, and it shaves it, it's still sharp.
If you'll be in collingwood once more go to mountainside or squire johns and get a hand wax done. Ask them to show you how to test for sharpness, they're good people at both shops.
I suspect your edges aren't dull yet but 7 icy days at blue might have dulled them.
If the nicks are small ignore them, post a pic if unsure.
Last edited by Lamps; 03-17-2014 at 04:00 AM.