I made my first rose this afternoon, and it turned out way better than expected.

My only real issue with it is all the scale. I brushed each piece while still hot and think I knocked all the scale off before I put the petals on the stem, but more scale popped up during the heats for scrolling the petals for the finished rose bud. I don't have a sand blaster to get down inside, and the wire brush only does so much at this point. Is there something I missed during the making of the whole piece to avoid this scale? Is there a less time consuming/more thorough way of cleaning the hard to reach places? Thanks!
Mickey