Kettles, mash tuns, infants, etc

  • I'll fix the image when I get to a real computer. Commented Mar 15, 2010 at 15:40
  • Was this scorch in a direct fired mash tun? I am planning on building one and want to avoid this scenario.
    – brewchez
    Commented Mar 17, 2010 at 11:35
  • Yep, the wort under my screen got way too hot because my pick-up melted. See my blog: midnighthourbrewery.blogspot.com/2010/02/… Commented Mar 17, 2010 at 13:54
  • I tasted the beer, a pre-Prohibition lager, last week. I detected no hints of the scorching in aroma, appearance or flavor. Classic American pilsner is not a style that hides flaws and I am happy the burn did not come through. Commented Mar 17, 2010 at 20:29
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    I had to grind it off with my angle grinder. Commented Mar 28, 2010 at 1:10

6 Answers 6


If it's on stainless steel Bar Keepers Friend will clean off just about anything. I use this on my ss pots and pans and it works great (I try not to use it on mirror finished surfaces though).

You can find it at Bed Bath & Beyond, Walmart, the grocery store, just about anywhere.

EDIT: I also believe that Bar Keepers Friend is a glass cooktop cleaner, so it can def cut through some scorched on food/sauce/liquid.

  • This may have worked eventually. I left a paste of BKF on the burn for a few hours and a little came off. Commented Mar 28, 2010 at 1:11

It's toxic as heck, but standard oven cleaner is your last stop. My progression would be:

  • One-Step/PBW
  • Barkeeper's Friend
  • Oven Cleaner (which you can thankfully use outside if it's not on your oven)
  • Didn't try oven cleaner. Commented Mar 28, 2010 at 1:12

I think an angle grinder with an abrasive pad will do the trick. That method is somewhere between Barkeeper's Friend and oven cleaner.

  • The bottom of my tun is nice & shiney now. Commented Mar 28, 2010 at 1:14
  • Power tools + brewing.... nice. Commented Apr 5, 2010 at 13:20

I use PBW (Powdered Brewery Wash) and that gets everything off that I've ever used it for including scorching.

  • Tried this one today without success. Commented Mar 16, 2010 at 2:59
  • Did you use hot water to mix with the PBW and let it soak overnight? That's always worked for me. Then you use a gentle scrub brush and everything comes off nicely. Commented Mar 16, 2010 at 10:24
  • I used hot water and a four hour soak. A tiny bit came off. Even with hard scrubbing the burns didn't loosen their grip. Commented Mar 16, 2010 at 12:53

Try vinegar and baking soda. It works for pots and pans.

  • This did not work either. Commented Mar 17, 2010 at 20:25

I'd try using the PBW as a scouring agent itself. Soak the pot with warm PBW for twenty minutes. Empty the kettle. Sprikle in some fresh PBW without adding additional water, and scrub with a green pad.

  • A good soak with PBW did not work. Commented Mar 28, 2010 at 1:13

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