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marlinguy
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Re: Marvelux flux
Reply #15 - Apr 18th, 2026 at 11:14am
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I've always used bees wax to flux, and smoke isn't an issue as I never cast indoors, and never would. I cast in the doorway of my shop with a fan setup to blow any fumes or smoke away.
  

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RSW
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Re: Marvelux flux
Reply #16 - Apr 19th, 2026 at 12:57pm
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Like marlinguy, I also use bees wax as a flux. I have a large block of it that I have been chopping off pieces for flux for the past 30 years. Bees wax works great but it does smoke so casting in an open, well ventilated space is necessary, IMO. For my 20 pound casting pot I drop in a piece of bees wax about half the size of my little finger (your little finger size may vary  Wink).
  

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Cat_Whisperer
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Re: Marvelux flux
Reply #17 - Apr 19th, 2026 at 1:36pm
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Smoke wrote on Apr 18th, 2026 at 1:22am:
That's what I needed to hear.  The lead I have is really dirty.

Thank you.


For the scrap lead I use TWO pots.  Melt and flux (borax) skim whatever I can off the top. Then pour that into the second pot, skim.  Reheat and pour back into t he first pot.  It's fast and gets the alloy cleaner than just stirring.  Also I use a weed burner to heat the alloy on the top with the turkey fryer underneath - really speeds it up.

I have used a piece of channel iron at a 30 degree angle to allow the melted alloy into the pot, leaving the crud (wheel weight clips etc.) in the channel.

for the pot used to cast with I use a hardwood scrap to stir with.  It keeps the inside of the pot clean even though I use borax.
  

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mes
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Re: Marvelux flux
Reply #18 - Apr 20th, 2026 at 4:59pm
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Bad experience with marvelux. Threw it in the garbage.  Probably wrecked the town dump which was closed shortly after.  Coincidence, maybe.

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« Last Edit: Apr 20th, 2026 at 5:08pm by mes »  

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calledflyer
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Re: Marvelux flux
Reply #19 - Apr 21st, 2026 at 9:27am
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Well, whatever the reason your dump was closed, it makes me want to ask how do you like living in a town that saves its garbage?
  
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