Hi Gents
I'm getting close to having my keg welded up, as mentioned in another thread here it is recommended that back of TIG welds be back purged with argon to prevent sugaring. This is sanitary and stops corrosion?
So I did some research, and this method is popular with the beer boys, which is well and good as they cut the entire top off their kegs off so it's easy to get access to the back of the weld, but this wouldn't exactly be possible with our kegs as far as I can see, and I'm sure just sticking a line in your keg from your argon tank and turning that shit on willy nilly is going to do anything that is classified as a back purge.
But that said, I'm now paranoid over all the sanitary and corrosion threats being made if the back of the welds aren't protected.
So whats the experience of people here? There seems to be plenty of guys here with TIG and Stick welded kegs, are your boilers plagued with corrosion and bacteria because your welds were not back purged? Or is this all just hype?