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Home Brew Forums > Home Brewing Beer > DIY Projects > Kettles, Mash Tuns, & Hot Liquor Tanks > Copper Shards On Inside Of MLT Manifold Tubing
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Old 01-23-2011, 01:53 AM   #1
cabbii
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Default Copper Shards On Inside Of MLT Manifold Tubing

I'm working on a new round copper manifold for my 10gal GOTT mash tun. It's the round style using 1/2" ID copper tubing. I've cut notches with a dremmel tool to allow the wort to pass through. I've cleaned up the outside, but looking inside the tubing I see shards of copper sticking down from where I made the cuts. I'm concerned bits and pieces are going to come off as the beer flows through. Am I being silly or has anyone figured out how to remove them?

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Old 01-23-2011, 11:47 AM   #2
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Copper is very ductile, and unless they're just hanging by a thread, I wouldn't worry about it.
You could try a #11 exacto blade to deburr if your still worried about it.

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Old 01-23-2011, 03:47 PM   #3
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Get an appropriate sized wire brush and shove it into the pipe to deburr the inside.

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Old 01-23-2011, 04:06 PM   #4
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I used a rat tail file.

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Old 01-23-2011, 04:52 PM   #5
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I cut a slot in the end of a 3/8" dowel, slid a piece of plumber's cloth backed sandpaper into it, sized to wrap around the stick to a sliding fit inside the copper pipe, attached the other end to my variable speed drill and cleaned them out. I clamped the pipes in my Workmate to hold them still.

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Old 01-23-2011, 04:57 PM   #6
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I just ran a few tun fulls of water through it.. some of them boiling... If by chance, anything did come loose, and make it into the wort, I'm quite sure it would instantly settle into the trub and yeast at the bottom of the fermenter which I don't drink anyways (cuz that would be nasty )......

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Old 01-23-2011, 11:46 PM   #7
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I took a 1/2 inch piece of dowling and taped some emery cloth to it. Ran that inside, then took a wire brush for copper tubing and from the outside deburred the cuts I'd made. Did each about twice and it was clean and smooth!

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Old 01-24-2011, 12:44 AM   #8
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Thanks for all the good suggestions. I'm gonna try a couple of them. But ultimately I think r8rphan is right. If a couple of batches doesn't knock anything loose, worst case it'll get stuck in the trub.

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Old 01-24-2011, 12:53 AM   #9
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I used a chainsaw sharpener to debur the inside. If you have something of the sort handy you can knock of the majority of them off. If not, then no worries. Copper shards taste delicious.

All joking aside though ..... don't worry about them.

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Old 01-24-2011, 04:13 AM   #10
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Quote:
Originally Posted by ndsgr View Post
I used a rat tail file.
+1 worked great for mine.
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