yeah Water Wetter. My bottle of WW is 2 year old and produces a sticky white goo after 12h in the loop. And yes i've got mainly copper (and brass barbs).
To "wet" water i've moved to a home made mixture:
- a rinsing agent (for dish washing machines). Kills the surface tension and gets rid of bubbles. *Very* efficient. And cheap.
- an anti bacterial agent. Currently dish washing liquid (for hand washing) with a "anti bacterial" red label. Does not seem to work very well...
I'll look into some other product for the 'life-killing' agent.
I've been running like that for a few months, and my copper blocks innards are clean.
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