B-12 Chemtool does work on the pellets. It won't completely dissolve them, but it does make them into a little bit of a sludge given enough time and will allow you to blow it out completely with enough repetitions blowing from alternating ends.
Disclaimer: Links on this page pointing to Amazon, eBay and other sites may include affiliate code. If you click them and make a purchase, we may earn a small commission.