How do tap water pipes stay clean for years

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I’ve been drinking tap water all my life and I have to wonder: Tap water pipes have a lifespan of 50 years, without any regular cleaning and maintenance. I have to clean my aquarium every week and even after cleaning it I wouldn’t drink from it. I know light and air play it’s role, but still, 50 years? Is the inside of the pipes really staying that clean or is it that the dirt in there doesn’t really bother us?

In: Engineering

14 Answers

Anonymous 0 Comments

Good bacteria clean out water. Just like you’re fish tank, they’d good bacteria that keep it healthy for your fish. Only change their water once a month and only 25%, or fish will be less healthy.

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