You laugh, you lose...

H20 means pure, distilled water, which, if you drank, would cause things in your digestive tract to burst open from osmotic pressure, which would be unhealthy.

It's used in drinks and you can buy it to drink, it's not recommended over tap water due to lack of minerals.

From my memories of chem lab, drinking deionised water will give you diarrhoea.

I hear deaerated water is very hard to drink, it's basically boiled water and used in drinks as well.

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diarrhoea.
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Geezus, who the hell thinks that skateboarding in sandals is a good idea? :lol:

People falling and crashing into things will never cease to be funny.