Message
Re: Muriatic Acid and 3% Hydrogen Peroxide First Attempt
2014-04-15 by <soffee83@...>
That time estimate was a slight exaggeration, but it probably wasn't a lot more (maybe 5min or so tops). I'm also usually doing smaller sized boards. Re: the agitation and heat - That was one of the things I really liked when it was working well at first. It seemed to heat itself up, even in cold weather, and bubble and fizz enough where at the most, I might have stirred the top layer around a bit with a plastic knife, but on the small stuff it barely even needed that.
I built a flat vertical plexiglass tank years back, complete with a bubbler and heater, but that was when I was doing ferric chloride (and later, sodium persulfate). It was messy and hard to clean, and I was thankful that the new etchant didn't need all that, but I may start using the bubbler with it and just dropping the tube in by hand.
Thanks for all the tips on the stuff,
George