[cakemuncher]

How do you carbonate water yourself?

[Xylakant]

I use one of those https://www.amazon.de/ISI-Edelstahl-Schwarz-8-5-31-5/dp/B011..., but others exist, for example sodastream. I prefer mine because it doesn’t require some apparatus that take space on the kitchen counter.

[coldtea]

There are all kinds of pressurized gas devices to use:

https://www.amazon.com/SodaStream-Sparkling-Water-Starter-Si...