Does anybody else have a problem getting a clean note from hole 2 (C Hohner sp20), I use the tongue blocking method, blocking holes 3 and four.

Any tips would be most helpfull.

Also, here some good reasons why you should not be starting with Tongue Blocking for playing single notes-
http://www.harmonicalessons.com/members/sinnotes.php

Let us know how it goes.

Play on,
Dave Gage