Reloading .303 British : How To: Clean Cases

I do a similar thing but with some variations. I don't use the acid. That removes oxidation which I don't mind. My objective is clean cases, not ones looking like they were made yesterday.

I use hot water because it cleans better and I add the detergent as needed. I first rinse in hot water to warm the cases, drain that, and then wash and rinse twice with hot soapy water. My well-water has lots of minerals so I do a final rinse in distilled water from a dehumidifier. I guess rain or melted snow might work too. My dehumidifier also blows warm dry air over my cases to finish quickly. I sometimes use a hair-drier if I'm impatient. I inspect primer pockets and some interiors with a light to make sure no drop remains.

I've been doing this since I started shooting in a sandy location. Sand gets into ejected cases. Even a ground-sheet gets contaminated with the stuff from coming and going. The hot water and detergent gets rid of my oily case-lube too. I too clean cases before resizing to be sure to remove sand and after resizing to remove oil and primer-residue. Cleanliness is next to doing things right.