Of course, if you’re diluting the acid with water anyway, the peroxide concentration may be moot. Speaking of cost, some of these solutions are cheap, but it isn’t like premade etching ...

For a lot of reasons, home etching of PCBs is somewhat of a dying art. The main reason is the rise of quick-turn PCB fabrication services, of course; when you can send your Gerbers off and receive ...

Mishandling etching acid can cause severe reactions that burn your skin and produce highly toxic vapors. Likewise, discarding the etching solution improperly can damage nearby ecosystems and get ...