Thank you Martin. You're too kind.

I've merely provided some shots of the amount of flux dirt centrifuged from a month's old liter of PC ICE. Nothing really as great and useful as yours and the other expert's work.
Was hoping to be able to provide some useful tips and such, but all I can suggest is to use 70% alcohol (will switch to 99% industrial ethanol if my next loop still fogs after all these cleaning) and to use a torchlight to verify that the clear water coming out is truely "clear"