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what's going on here?


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#1 Mando

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Posted 26 April 2020 - 05:19 AM

I heated up my strike water and after draining it into the MT I noticed these weird discolorations that obviously have something to do with my burner (SQ-14) pattern under the kettle.  the discolored areas aren't raised (or at least I can't feel them when I run my finger over them).  What am I looking at here?

 

bwZmtJP.jpg


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#2 matt6150

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Posted 26 April 2020 - 06:37 AM

Maybe something in the water that burned? Did you pretreat the water?
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#3 Mando

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Posted 26 April 2020 - 06:50 AM

I did but I actually did it in a separate kettle that I preheated inside so everything was fully dissolved before this kettle even saw any heat.
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#4 matt6150

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Posted 26 April 2020 - 07:03 AM

Is that your normal process?
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#5 Mando

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Posted 26 April 2020 - 07:30 AM

Not usually but I can't imagine how it could matter. I am using a new propane tank that isn't a blue rhino (first time using a "real" propane tank). Maybe it puts out more heat??
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#6 matt6150

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Posted 26 April 2020 - 07:50 AM

I just thought if you normally heated up just plain water that it's something you put in the water this time.

I would experiment with heating up some plain water and see if it happens again. And try a different tank I suppose. I don't remember that ever happening to me when I used a burner and pot like that.
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#7 Mando

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Posted 26 April 2020 - 08:00 AM

It's a blueing of the metal kind of look. I guess as long as the kettle doesn't rust or anything I'm not super worried.
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#8 matt6150

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Posted 26 April 2020 - 08:11 AM

I would think that would clean up with some bar keepers friend. But I agree it's not harming anything.
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#9 miccullen

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Posted 26 April 2020 - 08:18 AM

Not usually but I can't imagine how it could matter. I am using a new propane tank that isn't a blue rhino (first time using a "real" propane tank). Maybe it puts out more heat??

propane can actually vary in BTUs, you really might have gotten a hotter burn, how blue was the flame?


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#10 Mando

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Posted 26 April 2020 - 08:47 AM

propane can actually vary in BTUs, you really might have gotten a hotter burn, how blue was the flame?

 

maybe a little bluer than normal I guess.


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#11 JKor

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Posted 27 April 2020 - 09:18 AM

Looks like you ran the burner when the kettle was empty.  There's no way that would happen with water in the kettle.


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#12 Mando

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Posted 27 April 2020 - 09:46 AM

Looks like you ran the burner when the kettle was empty. There's no way that would happen with water in the kettle.


I definitely did not but maybe those supports under the kettle were really hot??
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#13 JKor

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Posted 28 April 2020 - 06:23 AM

I definitely did not but maybe those supports under the kettle were really hot??

 

 

That's what I was thinking, if you killed the burner just before it emptied and the burner frame was still hot.  Or maybe a tiny trickle of gas was coming out and it stayed lit at a really low level?


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#14 Mando

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Posted 28 April 2020 - 11:25 AM

That's what I was thinking, if you killed the burner just before it emptied and the burner frame was still hot.  Or maybe a tiny trickle of gas was coming out and it stayed lit at a really low level?

 

hmmmm - maybe the new tank valve closes a little harder than I'm used to and I didn't crank down on it enough.  good theory!


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#15 Stout_fan

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Posted 03 May 2020 - 03:40 PM

Looks like sugaring (SS disassociation)


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