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Grinded coffee isn't the same as the whole bean weight
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Thecoffeenerd
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Joined: 14 Jun 2013
Posts: 215
Location: N/A
Expertise: I live coffee

Espresso: N/A
Grinder: Baratza Encore, Bodum Bistro...
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Posted Sat Sep 7, 2013, 6:47am
Subject: Grinded coffee isn't the same as the whole bean weight
 

I grinded up some good coffee this morning and threw it  in my press that was sitting on a scale...To my surprise the weight of the grinded coffee isn't the same as it is when I weighed it whole bean. I weighed 64 grams for a 32 ounce press pot and it came out as 63 grams of grinded coffee in my press. Is this normal?

 
"You can't make good coffee, without good coffee" -Thecoffeenerd
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CMIN
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Joined: 14 Jun 2012
Posts: 1,454
Location: South FL
Expertise: I like coffee

Espresso: Crossland CC1
Grinder: Baratza Preciso
Posted Sat Sep 7, 2013, 7:00am
Subject: Re: Grinded coffee isn't the same as the whole bean weight
 

Theres a gram retained in the chute most likely, just tip the Encore forward and purge it a dew times or give it a tap on the side while doing so. Baratzas have low retention and the way the grinds pack in after cleaning the grinder they don't push out stale grinds really, the chute is so short that only like a gram or so can be there. Most other grinders have huge retention and spaces causing large clumpings of stale grinds.

I single dose and do the tip purge on my Preciso and weigh the tared out bin after, and always around .1g or so. In the winter I just grind and thats it, the low humidity and static makes it almost exacty each time I dose. But summer here is more hot/humid and that annoys the grinder lol
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JKalpin
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JKalpin
Joined: 28 Dec 2008
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Location: Thornhill, Ontario Canada
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Drip: Krups Moka Brew, BraZen
Roaster: Freshroast+8, Behmor 1600+
Posted Sat Sep 7, 2013, 7:59am
Subject: Re: Grinded coffee isn't the same as the whole bean weight
 

Then too, 1 gram is not very much.

While the grinder is pretty good with static, there will be a fine layer within the container Ömaybe 500mg?

 
Jerry
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emradguy
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emradguy
Joined: 31 Mar 2011
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Location: Houston
Expertise: I live coffee

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Posted Mon Sep 9, 2013, 11:04am
Subject: Re: Grinded coffee isn't the same as the whole bean weight
 

yeah, as mentioned by the others, this is normal. All grinders have some degree of retention...some have a lot, others have so little nobody cares about it (even the most geekish of us).

I have a different approach to getting nearly exactly what I want from my Lido though. In stead of banging and shaking and what have you during my time of need, I take into account that I'm going to lose x amount (for espresso I lose a little less than 0.5g).  So, I add 0.5g to my weighed beans, then grind and catch as normal.
When I clean my grinder (after each use) the "lost" amount goes to the "trash" (admittedly, usually on the floor of my office). Then it's ready to go for the next time.  Yeah, I know it sounds a little wasteful, but it's less than 10 grams per pound. I think of it as mental health tax.

 
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Always remember the most important thing is what ends up in your cup!
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CoffeeLoversMag
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CoffeeLoversMag
Joined: 10 Jan 2013
Posts: 218
Location: Seattle
Expertise: I love coffee

Posted Thu Sep 12, 2013, 5:02am
Subject: Re: Grinded coffee isn't the same as the whole bean weight
 

Yup, because once the coffee bean is grinded, it is normal that some of the grinded ones are left in the machine. That is why there is cleaning schedule of the grinder since there are left over on the grinded coffee.

Be sure you are grinding the right amount of coffee because itís not good that you are grinding too much coffee. There are lots of leftovers that can cause your coffee become stale. You donít only lose some of the grinded coffee but also affect the taste of it.

 
Did you know...? Dark roast coffees actually have less caffeine than lighter roasts due to the fact that the process of roasting burns off caffeine.
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