I've been using a Norton #746 pad (I looked it up Adam)to clean the outside of my pipe. Bought at HD(in paint section) but forgot the price, this stuff lasts. No BS, I must have done about 400 joints with one pad. It comes in a 2 pack and I haven't used the other pad yet. The same pad shines the joints up after soldering. Just thought I might share.
No announcement yet.
Copper joint preperation