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Oscar Nuova descaling?
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Discussions > Espresso > Machines > Oscar Nuova...  
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atytse
Senior Member


Joined: 9 Oct 2013
Posts: 26
Location: Beijing
Expertise: Just starting

Posted Tue Nov 5, 2013, 7:29am
Subject: Oscar Nuova descaling?
 

Hi friends, I'm pretty new to the coffee community having only recently discovered the fun of pulling a perfect espresso shot.

I own an Oscar Nuova and am trying to see if I'm doing a good job maintaining it.  I have now used it for about 5 months now and I backflush once every week (only pull couple shots at most per day).

I have heard that some owners decide to descale the machine.  Do you recommend it and if so, what is the process for this particular machine? I don't really understand descaling and would very much appreciate any advice or guidance.
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Coffeenoobie
Senior Member
Coffeenoobie
Joined: 11 Dec 2011
Posts: 3,052
Location: PNW
Expertise: I like coffee

Espresso: N S Oscar
Grinder: K30 & Vario W
Posted Tue Nov 5, 2013, 9:01am
Subject: Re: Oscar Nuova descaling?
 

New? descale one or two years depending on water quality. Used?  How used?

 
Coffeenoobie

Buying advice: GRINDER GRINDER GRINDER. Don't cheap out on the grinder.

My coffee treasure map...
Click Here (maps.google.com)

Oscar trick out: http://s156.photobucket.com/user/GandBteam/story/14231
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calblacksmith
Moderator
calblacksmith
Joined: 25 Nov 2007
Posts: 7,949
Location: Riverside, Ca, U.S.A.
Expertise: I live coffee

Espresso: ECM Vene. A1, La Cimbali M32
Grinder: Azkoyen Capriccio, Major
Vac Pot: 40s era Silex
Drip: Msl. Com. brewers
Roaster: gave it a try, decided no
Posted Tue Nov 5, 2013, 9:07am
Subject: Re: Oscar Nuova descaling?
 

It is a pretty easy process but on an Oscar, draining the boiler to get the soultion out is a little PITA. There is a drain but you need to get to it then put that corner over a sink or something. As you face the machine like you were going to make coffee, it is in the back left lower corner. To get solution in is easy, just put it in the water tank and pull water from the tank to get it in the boiler and in the HX system.

Helen is one of our resident Oscar experts, she has pretty much hot rodded her machine and knows them inside and out. I just am remembering from about 5 years ago when I had an Oscar.

 
In real life, my name is
Wayne P.
Anything I post is personal opinion and is only worth as much as anyone else's personal opinion. YMMV!

Feed the newbs, starve the trolls and above all enjoy what you drink!
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Markarian
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Markarian
Joined: 27 Jun 2012
Posts: 658
Location: Seattle Area
Expertise: I love coffee

Espresso: ECM Technika IV Profi WT-WC
Grinder: Baratza Forte AP, HG One
Vac Pot: Bunn Trifecta MB
Drip: Moka, Aeropress, Hario V60
Roaster: Behmor 1600
Posted Tue Nov 5, 2013, 1:29pm
Subject: Re: Oscar Nuova descaling?
 

Descaling the Oscar is NOT easy and it is not fun. Life is pain, anyone who tells you otherwise is selling something.

However, it can be done without tearing apart the machine, just very slowly. I followed the instructions in this video here:

http://www.youtube.com/watch?v=-eXlC-Eo1h0
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calblacksmith
Moderator
calblacksmith
Joined: 25 Nov 2007
Posts: 7,949
Location: Riverside, Ca, U.S.A.
Expertise: I live coffee

Espresso: ECM Vene. A1, La Cimbali M32
Grinder: Azkoyen Capriccio, Major
Vac Pot: 40s era Silex
Drip: Msl. Com. brewers
Roaster: gave it a try, decided no
Posted Tue Nov 5, 2013, 2:04pm
Subject: Re: Oscar Nuova descaling?
 

UH was that in reference to my post?
The process is easy, doing it is a PITA, like I posted. YMMV!

 
In real life, my name is
Wayne P.
Anything I post is personal opinion and is only worth as much as anyone else's personal opinion. YMMV!

Feed the newbs, starve the trolls and above all enjoy what you drink!
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atytse
Senior Member


Joined: 9 Oct 2013
Posts: 26
Location: Beijing
Expertise: Just starting

Posted Tue Nov 5, 2013, 6:14pm
Subject: Re: Oscar Nuova descaling?
 

You guys are awesome. Thanks for the answer.

Sounds like a painful process. I'm only 5 months into my Oscar and I brew at most couple cups of espressos a day.

How long have you guys kept your Oscar?

What's the next good upgrade option in terms of price and quality? I bought this Oscar because I like the separate water tank.
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Coffeenoobie
Senior Member
Coffeenoobie
Joined: 11 Dec 2011
Posts: 3,052
Location: PNW
Expertise: I like coffee

Espresso: N S Oscar
Grinder: K30 & Vario W
Posted Tue Nov 5, 2013, 7:21pm
Subject: Re: Oscar Nuova descaling?
 

I would not bother unless it is a year old and your water is hard.  If it is soft I would do it every other year.  Mine was 2 years old but not doing much and I used it a year with soft water so I consider it "used" a bit over a year and the insides were not bad at all.  I will probably take it down to the bones every other year.

 
Coffeenoobie

Buying advice: GRINDER GRINDER GRINDER. Don't cheap out on the grinder.

My coffee treasure map...
Click Here (maps.google.com)

Oscar trick out: http://s156.photobucket.com/user/GandBteam/story/14231
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