Been there. Done that.
I just pulled up a chair outside and started digging the media out of the flasholes one at a time with a pick I use for gun cleaning.
It's a real . . . Uh, it's tedious.
I load 9mm, 10mm, 38 Short Colt, 38 Spl, 357 Mag, 44 Spl, 44 Mag, & 45 ACP.