Comment by bitxbitxbitcoin

What I was taught and experienced growing up was that if you boil it for 10 minutes every 24 hours, it'll resterilize it. Ad infinitum. I've only ever done it out to about 2 weeks but here's an example of a whole month.[0]

[0] https://www.fowlersmakeryandmischief.com/blog-fowler-alone-y...