General purpose small homemade oxygen generator for using in the home workshop. Simple components you can find anywhere make it easy to put together this electrolytic device.
Caution: Do not breathe this oxygen, it is not pure. Usually water from the utilities contains salts which can contaminate the oxygen produced with chlorine!
![](https://i.ytimg.com/vi/kDfc4VgZ6-U/mqdefault.jpg)