tcnance
Member
Any advice on how to fix this?
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Reddish-pink brass out of the wet tumbler
- Thread starter tcnance
- Start date
fairchaser
Well-Known Member
What's the source of the color? You might have invented a new way to keep brass separate. Color code it.
Omega
Well-Known Member
Steel case mixed in is my bet, heck of a time getting it out, mostly just lightens them up some. I have a few 300BLK cases like that, no detriment to the brass that I can tell.
It's called dezincification. It weakens the brass and can be caused by the chemicals you are using or by putting something other than brass in when you tumble.
There is a lot of controversy about whether the brass is safe to use anymore. I've seen experts in metallurgy say it's not safe, opposed by those that say they have used it without it killing them, so its okay. You should google it.
There is a lot of controversy about whether the brass is safe to use anymore. I've seen experts in metallurgy say it's not safe, opposed by those that say they have used it without it killing them, so its okay. You should google it.
DaveB
Well-Known Member
When this happened to me I traced it to (Lyman) walnut media not removed from brass flash holes.
My resolution:
1. Throw all walnut media away. Hate the stuff anyway. Gets caught between my toes.
2. Corn cob media tumble all the brass in that stained batch.
3. Pick every last piece of corn cob out of flash holes and be sure none gets into the SS tumbler.
4. SS tumble your brass to get inside and primer pocket clean. Be sure no nickle plated anything is in the tumbler.
If you mix nickle with copper brass in a SS tumbler each piece will come out with an ugly dull color. Again, you have to corncob tumble to get clean. This happened to me twice. I am way more careful now.
My resolution:
1. Throw all walnut media away. Hate the stuff anyway. Gets caught between my toes.
2. Corn cob media tumble all the brass in that stained batch.
3. Pick every last piece of corn cob out of flash holes and be sure none gets into the SS tumbler.
4. SS tumble your brass to get inside and primer pocket clean. Be sure no nickle plated anything is in the tumbler.
If you mix nickle with copper brass in a SS tumbler each piece will come out with an ugly dull color. Again, you have to corncob tumble to get clean. This happened to me twice. I am way more careful now.
