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Descaling Technivorm
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gadoyle
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Joined: 19 Oct 2006
Posts: 11
Location: Mesa, AZ
Expertise: I love coffee

Espresso: Not anymore
Grinder: Rocky Doserless
Drip: Technivorm Moccamaster Therm
Posted Fri Dec 21, 2007, 9:12am
Subject: Descaling Technivorm
 

I've had my Technivorm Moccamaster Therm for about a year now and I've never descaled it.  I'm not really sure that it needs it, as the performance hasn't changed noticably, but I'm thinking that I should probably do it anyway.

I picked up a bottle of Durgol Express at Sur La Table last night, but before I use it I wanted to see if anyone has used it or knows if it's safe for my machine.  The lable says it's 15% amidosulfonic acid, and to mix with equal parts water and run through one cycle followed by a couple of clean water cycles.

Any comments?

Thanks.
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Eiron
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Eiron
Joined: 12 Nov 2007
Posts: 343
Location: Loveland, Colorado
Expertise: I love coffee

Espresso: Quick Mill 0930
Grinder: Quick Mill 031,...
Drip: TechniVorm KBTS
Roaster: Behmor 1600, Presto Poplite
Posted Sat Dec 22, 2007, 12:16am
Subject: Re: Descaling Technivorm
 

I've never used (or heard of) Durgol Express, but a search of amidosulfonic acid turned up some MSDS info.  I didn't see anything that specifically mentioned reactivity with copper, although one sheet mentioned its use for "cleaning metals and ceramics," & "rust removal agent in air conditioner and cooling system."  I wouldn't use it in anything I was going to prepare food/drink with unless I was absolutely sure I could wash/rinse it all clean.  Since I can't get inside my TV's boiler, I wouldn't use it on my machine.  White vinegar is commonly considered a "safe" demineralizing agent.  IIRC, the TV manual says to use 25% white vinegar & 75% water to descale the copper boiling element.  Is that an option for you?

 
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gadoyle
Senior Member


Joined: 19 Oct 2006
Posts: 11
Location: Mesa, AZ
Expertise: I love coffee

Espresso: Not anymore
Grinder: Rocky Doserless
Drip: Technivorm Moccamaster Therm
Posted Sat Dec 22, 2007, 10:47am
Subject: Re: Descaling Technivorm
 

I can use vinegar/water, but I've heard some say that it isn't a good idea, although I don't recall the reason why, and they may have been talking about espresso machines anyway.  

I can also use some other descalers that are available online - this Durgol is just the first descaler I've found locally.  I guess I'll play it safe and use vinegar.
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veganjosh
Senior Member


Joined: 8 Apr 2005
Posts: 50
Location: San Francisco, CA
Expertise: Professional

Espresso: Izzo Alex
Grinder: Compak K10WBC, Mahlkoenig...
Vac Pot: Cona D
Drip: Technivorm, Aeropress
Roaster: Hottop B
Posted Sat Dec 22, 2007, 3:59pm
Subject: Re: Descaling Technivorm
 

I use the Urnex Dezscal descaler (got it from Sweet Marias) on my Technivorm.  I find that the quality of my coffee goes up dramatically after I descale, but I'd assume that the need for descaling is really a function of what your local water is like.
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