Roof Moss wrote:
How do you clean calcified worms out of an old Bak Pak? The inside is covered with dried on carcasses.

Apparently a Bak Pak is a protein skimmer.
I'd try soaking it in hydrochloric acid. It's cheap and readily
available in any hardware store for removing of cement residue.
That should dissolve all calcinations. Don't forget to rinse thourougly
afterwards.

jue