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Posted: 5/11/2010 10:36:22 AM EDT
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Ok so I gave this a shot on some of my really tarnished range brass. All of the brass I soaked turned pink and once I tumbled it thinking it would come off it still stayed pink. I mix the Lemi with really hot water to get it mixed good and then add my brass. Am I doing something wrong? |
| dont soak with lemshine ! just soak with hot water and soap overnight. Before you tumble if using SS media just add about 1/8 of a teaspoon in hot water before you turn on the tumbler. If you are just soaking brass and not using SS media I think its just a few hours (4? I never use it longer than that) in lemshine , you need to check it often and rinse very well! |
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It'll come off in tumbling, may take a little longer than usual, but it'll come off. I use walnut media though, not sure what you're using. BTW, some of the pink hue may remain, like on the neck or whatnot, but most of it should come off with enough tumbling. If you're using walnut, try replacing your media with fresh stuff or leave it in longer. |
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Quoted:
If you use too much, soak it too long, and it was black to begin with, your brass may stay somewhat pink no matter what. I have a whole container of them in the garage as a lesson. Guess this is my problem. They were black and I fell asleep while they were soaking. Its not a big deal just thought it was kind of funny. |
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Quoted:
If you use too much, soak it too long, and it was black to begin with, your brass may stay somewhat pink no matter what. I have a whole container of them in the garage as a lesson. Wait.... your tossing a bunch of perfectly good brass because you cant get the pink off? |
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In my experience, the pink will eventually come off, but may take a few rounds with lemishine and tumbling. I just use them and shoot them, generally the second time I run them back through again the pink is all gone... I'm confident enough in my masculinity to shoot pink brass!!!  |
| I had some .45 acp and .223 brass picked up at the range that was pretty dark. I ran it through a soak with lemishine and hot water and it turned pink. I ran it through the polisher with walnut shells for a few hours and it was "not as pink". I ran it through a second hot water/lemi shine bath and it got pinker again. A second, longer, run through the polisher with walnut shells made it look almost normal again. |
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Quoted:
Quoted:
If you use too much, soak it too long, and it was black to begin with, your brass may stay somewhat pink no matter what. I have a whole container of them in the garage as a lesson. Wait.... your tossing a bunch of perfectly good brass because you cant get the pink off? Never said I tossed it or won't use it. I just said I have a container of pink brass and it's purty. 
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I looked into this once and discovered that there are two types of copper oxide. The first one is cupric oxide which is black in color and what we usually deal with and is dissolved by acid i.e. Lemishine. The other is Cuprous oxide which is red and not soluble by acid.
This is the reason why the red color is left if you clean brass with Lemishine. The stuff seems to be pretty tough and will not come off using a “casual” tumble with walnut media but will as others have said with a more thorough tumble which IMHO is unnecessary. I clean and tumble so that I can get a good inspection of the brass and the small bit of red color does not affect this, so I ignore it. It will not affect the performance or safety as it relates to your brass. |
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