Aha Trivia Stuff Everyone Should Know
Aha Trivia: Stuff Everyone Should Know · ahatrivia.com/mb-plumbing-92038a6f03a2

What can grow in faucets, shower heads, and water heaters?

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  1. Opportunistic plumbing pathogens
  2. Only harmless sand
  3. Solid ice blocks

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References

  1. Plumbing en.wikipedia.org/wiki/Plumbing Checked 2026-11-07.

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That's stuff everyone should know.