User serviceable cans are easy to maintain. Eliminates being without as you don't have to send it off. Most durable would be a stainless can. Not that much more weight then aluminum but will hold up better over the longer run.
"The dip" is a 50/50 mix of white vinegar and hydrogen peroxide. DO NOT USE on aluminum or steel, just stainless steel or titanium. The dip dissolves aluminum and carbon steels.
Use Caution:
The used dip fluid and debris from the cleaning process is considered a hazardous material, since it creates lead acetate. Lead acetate can be absorbed through the skin and is known to cause reproductive harm in people. Always use waterproof gloves. While using the "dip" make sure it is in a well ventilated area and not sealed up in a closed container. Do not let the material find it's way into the ground water system (sewer, landfill)
I use Dawn dishwashing soap and stainless steel pins in a Thumbler Tumbler to clean.
Baffles after a few hundred rounds.
After being run thru the tumbler for a couple of hours