Couple months ago noticed something was literally, for lack of a better term, eating paint off of lead pipes. And I noticed joints in copper pipe seemed to be "leaking" flux. Now all the water in my house causes lips and tongue to feel as if they have cold sores or anesthesised. taste could be rusty.

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    $\begingroup$ Not mold. But you may be getting metal poisoning, get good advice. Seriously. $\endgroup$ – Polypipe Wrangler Mar 30 at 21:31
  • $\begingroup$ Welcome to Biology.SE! We encourage you to do some research on your own and then, informed by what you have learned, ask any questions you still have (ideally with references to reliable sources). ——— Please also take the tour and then go through the help pages starting with How to Ask questions effectively on this site and edit your question accordingly. Thanks! 😊 $\endgroup$ – tyersome Mar 30 at 23:49

Copper inhibits growth of organisms. See " Antimicrobial properties of copper" in Wikipedia.

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