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Inside of Boiler Looks like Butterscotch Pudding
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SJM
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Posted Fri Jun 1, 2007, 6:00pm
Subject: Inside of Boiler Looks like Butterscotch Pudding
 

WHAT is THIS?????

I am seriously grossed out !!!!

SJM: IMG_2227.JPG
(Click for larger image)
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kh99
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Posted Fri Jun 1, 2007, 6:11pm
Subject: Re: Inside of Boiler Looks like Butterscotch Pudding
 

MMMMM....I'll bet the last shot out of that tasted good.
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Everman
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Posted Fri Jun 1, 2007, 6:51pm
Subject: Re: Inside of Boiler Looks like Butterscotch Pudding
 

Wow, is that out of the gaggia coffee? I think it might have something to do with the heating element, but I really don't know.  Butterscotch pudding is good though.
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mrgnomer
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Posted Fri Jun 1, 2007, 7:30pm
Subject: Re: Inside of Boiler Looks like Butterscotch Pudding
 

SJM Said:

WHAT is THIS?????

I am seriously grossed out !!!!

Posted June 1, 2007 link

Man, that is sick!  >p

What inspired you to open the boiler in the first place?  Bad tasting shots?

This is just a guess but certain steels develop sludge.  I think it's one reason they stopped using steel pipes in residential housing.  Really good inspiration to descale regularly.
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tellicherry
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Posted Fri Jun 1, 2007, 8:24pm
Subject: Re: Inside of Boiler Looks like Butterscotch Pudding
 

Hi,

Yes it is scale which is colored by iron oxide from a rusty boiler wall.   Curious though is the fact that the conditions inside the boiler seem to have produced a particulate scale of iron carbonate (siderite) rather than the more typical flakes/grains.  Maybe it is a mix with calcium carbonate- either way, that boiler must be really heavily degraded.

A photo of siderite is attached.

No hazard to your health - my old galvanized pipes hot water pipes looked much the same.


Cory

tellicherry: 180px-SideriteUSGOV.jpg
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tellicherry
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Posted Fri Jun 1, 2007, 8:43pm
Subject: Re: Inside of Boiler Looks like Butterscotch Pudding
 

Uhhhh - yes that is Siderite.  I know what you are thinking but it is mineral.

:)


Cory
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john_
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Posted Sat Jun 2, 2007, 12:12am
Subject: Re: Inside of Boiler Looks like Butterscotch Pudding
 

mrgnomer Said:

Really good inspiration to descale regularly.

Posted June 1, 2007 link

I agree, this might be the seed of a public service campaign ... something like "this is your boiler, this is your boiler without descaling. Any questions?"
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SJM
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Posted Sat Jun 2, 2007, 7:06am
Subject: Re: Inside of Boiler Looks like Butterscotch Pudding
 

Thanks for the diagnosis.

I was imagining that this is what happened if/as/when someone tried to pull something other than water through the system, but there was no nasty sour smell to it.  Rather the smell is rather like.... sweetened coffee, maybe.

The machine came to me on eBay as a "looks like it's in good condition" machine.  As you can see if you check my thread on taking apart the old white Coffee, that turns out to be not quite the case, but I'm learning a lot by trying to take her apart and maybe getting her back together.

Susan
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JR
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Posted Sat Jun 2, 2007, 7:32am
Subject: Re: Inside of Boiler Looks like Butterscotch Pudding
 

tellicherry Said:

Yes it is scale which is colored by iron oxide from a rusty boiler wall.   Curious though is the fact that the conditions inside the boiler seem to have produced a particulate scale of iron carbonate (siderite) rather than the more typical flakes/grains.  Maybe it is a mix with calcium carbonate- either way, that boiler must be really heavily degraded.

Posted June 1, 2007 link

Where do you suppose the iron come from (this is an aluminum boiler)?

Jack

 
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SJM
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Joined: 17 Nov 2004
Posts: 1,721
Location: CA
Expertise: I love coffee

Espresso: SAMA (2), Maximatic, Cremina...
Grinder: K-10PB, Rancilio MD-50
Vac Pot: no like
Drip: no like
Roaster: HotTop   Huky en route
Posted Sat Jun 2, 2007, 8:16am
Subject: Re: Inside of Boiler Looks like Butterscotch Pudding
 

This boiler came from the white Coffee I just bought on eBay, so the water used in it didn't come from here.  However, my well water here has a huge amount of iron in it; perhaps that was the case where this machine originated.
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