- Joined Dec 8, 2014
I use muratic acid and hydrogen peroxide to etch boards, and it works to my satisfaction. The problem that I have with it is that I can't seem to re-energize it to re-use the next time. I have read that some people say to add a little more hydrogen peroxide, others say to expose the solution to the air to absorb oxygen or to bubble air through it. None of these methods work for me and I end up making a new batch of etchant every time. My question is, has anyone been able to re-energize their muratic acid / hydrogen peroxide etching solutions?