a really fast method is aluminum foil and diluted hydrochloric acid (liquid pool acidifier) NOTE: DILUTED! though this doesn't produce chlorine gas if the acid is to concentrated you'll end up with boiling HCl.

Boiling hot acid accompanied by an acid steam is as bad if not worse than chlorine gas. So don't try it unless you're have experience handling acids.

A good test:

What is the difference between a strong acid and a concentrated acid?

Thanks for the help and I don't know the answer to that.

strong acids like HCl ionize completely when in water
> HCl => H+ & Cl-

weak acids don't ionize completely

concentration is just a measure of purity (or lack thereof)

as a side note all acids and bases are only such when dissolved in water
for an example refer to nurdrage's nitric acid instructable.

Science is just awsome! no?

Science is my life man!

the copper on a PCB is placed as a foil on the fiberglass while the resin is still wet.

Yes it will break if you put it on the stove. Solution: Don't put it on the stove use a water bath or an oil bath. If you're dealing with danger and have any sick feelings...your feelings are correct. Science is fun when respected and deadly when not.