Originally Posted by ivantheterrible
Can I get good results by brushing the acid on the areas to be welded? I think the size of the pieces to be welded might make finding a large enough container to soak them in difficult.
If you are that worried about zinc poisining and using acid to clean the metal why not buy a 4' or 5' x10' sheet of 16 or 18 ga metal that hasen't been galv'ed. It can't be that expensive and you'll save money and time by not halving to mess with the acid and clean-up after.