It’s not really “professional” but you can look at the process, see the results and come to your own conclusion about it’s viability.
It’s not really “professional” but you can look at the process, see the results and come to your own conclusion about it’s viability.
NurdRage made a video a few years back, comparing multiple methods (rust, wet chemical, and electrolytic) of preparing iron oxide, and the benefits and drawbacks of each.