Now run a fresh snow white cleaning patch down the barrel to the breech and with draw it, it will now have gray green streaks instead of clean white, oxidation is the cause. This test is a bit tough to do when using tow due to it's natural color. I personally prefer tow for my cleaning, but again that choice is yours. It does not clean a bit better than plain old plentiful and inexpensive tap or stream water. I do sometimes miss the fine print with my failing eye sight.
Machine shops use it for cooling parts being milled or shaped on a lathe.
For cold weather you might add an ounce of alcohol to the mix, I don't because I never felt the need to. Any cleaning method is far better than not cleaning at all. The quality of many of todays replicas will probably allow them to be around and useable long after we'ins has gone under. OK, I'll bit. You don't need to buy Internet access to use free Internet e-mail.