The good and the bad of different welding styles:

[Dualfuel]

http://en.wikipedia.org/wiki/Chelation

I forgot about the precipitate part. There is a household experiment you can do with milk and something else that I have forgotten.
Anyhoo,
The point is the milk thing is valid, and should be considered especially when welding on Zinc or galvanized metals.
DF

[rlaggren]

Posting this reminder cuz there's all-purpose handy people here, might get close to this combo.

http://www.brewracingframes.com/id75.htm

Great thread.


Rufus

[GoodClue]

Excellent warning ... thanks rlaggren ...
GoodClue