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fluxing lead

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ihookem:
I started casting lead bullets in my 45-70. I read on another thread that some put in saw dust and stir to get out impurities. I kind of scoop the junk off the top but that's it. Am I not doing enough to flux. If not is this what effected my accuracy? I never quite got it to shoot good enough for hunting.

D Crockett:
Ihookem put a layer of saw dust on top leave it there and stir it ever once in a while leave it on top it will form a barrier that will stop oxidation of your tin D Crockett

Czech_too:
I have to second what D Crockett is sayin'.  The sawdust, will among other things, prevent oxidation from forming on the top of your melt.  This could be the "junk" that you're removing and quite possibly any tin in the melt also.  As to whether doing this is going to improve accuracy, highly doubtful IMO.  What it will do is allow you to cast a better boolit.

Lloyd Smale:
Ive allways just used a little bit of wax. Sawdust does work but i just allways figued why introduce something that adds dirt to the pot. I know its probably an unfounded theroy but old ideas are hard to change. One thing i will say though is that most people tend to overflux rather then underflux. Overfluxing will effect the quality of your bullets as much or more then underfluxing will. When i render down wws i melt them and skim off the clips and zinc wws. I then flux the lead at least twice and make up ingots. they are for the most part clean. When i first start my pot for the day i get it up to temp and flux. I wont flux again that casting session even if i add lead as i go. Now keep in mind i use a bottom pour pot and if you ladle casting you need to worry a bit more about the surface area of your pot.

SHOOTALL:
Plumbers use a wax ring that goes under a water closet to flux the pot , been doing so since 1972 and it works. When I pour bullets i do the same and also smoke my molds with a candle.

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