If there's a lot of calcium old pipes will have nice protection layer, no? | Hacker News

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mirekrusin on Sept 27, 2019 | parent | context | favorite | on: Microplastics found in 93% of bottled water tested...

If there's a lot of calcium old pipes will have nice protection layer, no?

quakeguy on Sept 27, 2019 [–]

Exactly, and the older the pipe, the thicker the layer.

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