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>HCl is consumed, you don't need to dump the stuff and start over, you simply add a bit more HCl and you're on your way again. I've etched a lot of boards and haven't had to add any yet though.
> I can't make the H2O2 produce HCl, but it's been a while.
>
> :)
>
> Hence, my assumption that sooner or later, you're gonna need to dump the
> stuff and start over.
>
>