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Bitter flavor from roasts.
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Section10
Senior Member


Joined: 1 Oct 2012
Posts: 2
Location: Florida
Expertise: I live coffee

Posted Mon Oct 1, 2012, 10:17am
Subject: Bitter flavor from roasts.
 

Occasionally I'll get a roast that imparts more bitter flavors from the same batch of green beans. Unless i'm missing another factor I'm guessing its from the roasting drums itself since they tend to blacken with negative flavors. Whats the best way to clean these cages or drums??
Steel wool with soap in it can work but its very tedious and can't reach all the areas. Is there a recommended way of soaking the cages or drums in to degrease or help loosen the remnants that impart these flavors??

I just roasted more Kona coffee and while the delicious flavor is there so is the bitter. Again, this is considering I've ruled out other factors that have less chance of being the culprit like Water, Kettle...etc.
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azerik
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azerik
Joined: 6 Jun 2009
Posts: 281
Location: tempe
Expertise: I love coffee

Espresso: Expobar Pulser, Cuisenart...
Grinder: Compak K6
Drip: Hario Pour over
Roaster: Bemhor
Posted Mon Oct 1, 2012, 12:55pm
Subject: Re: Bitter flavor from roasts.
 

Section10 Said:

Occasionally I'll get a roast that imparts more bitter flavors from the same batch of green beans. Unless i'm missing another factor I'm guessing its from the roasting drums itself since they tend to blacken with negative flavors. Whats the best way to clean these cages or drums??
Steel wool with soap in it can work but its very tedious and can't reach all the areas. Is there a recommended way of soaking the cages or drums in to degrease or help loosen the remnants that impart these flavors??

I just roasted more Kona coffee and while the delicious flavor is there so is the bitter. Again, this is considering I've ruled out other factors that have less chance of being the culprit like Water, Kettle...etc.

Posted October 1, 2012 link

I had thought about soaking my drum in Cafisa but it's be a lot of water and like 2 packets of the stuff for one drum. I use simple green and soak it, then use an abrasive sponge to scrub off what I can. How clean is the roaster it's self, and what kind of roaster?
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