Just got back from another trip to HD. I got 24" of 1/2" copper pipe, 2 -1/2" to threaded male adapters, 2 90 degree elbows for like $7. Not bad. I'm making 2 siphen tubes for 2 keggles. I wanted to go with flexable copper tubing but would have had to pay $25 bucks for a roll, so I went rigid &...