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Someone left their beans out in the rain
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Discussions > Coffee > Home Roast > Someone left...  
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dustingm
Senior Member


Joined: 22 Jul 2013
Posts: 4
Location: Goshen, IN
Expertise: I live coffee

Posted Mon Jul 22, 2013, 5:17am
Subject: Someone left their beans out in the rain
 

Greetings, everyone.  New here, first time poster, though I've lurked in the forums for a while. I'm a dedicated home-roaster hobbyist and love coffee.

So last night I roasted about 1.5 lb. of coffee in my garage (dog-bowl/heat-gun method... saving my pennies for a Behmor), set the hot bowl on the back steps to cool, and went inside.

And then forgot about it.  And then it rained last night.  D'oh!

By the time I got back out there this morning, the bowl was filled to the brim with water.  No idea how long the beans had soaked in there, but it was a while.  I took the beans and have them drying out between two towels in my garage at the moment.

I hate wasting stuff, especially coffee.  Especially MY coffee.  So my question to everyone is:  is there any chance that this coffee is salvageable if I can get it to dry out completely, or should I cut my losses and toss it?
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Snaxx
Senior Member


Joined: 11 Dec 2008
Posts: 176
Location: Northeast Michigan, LP
Expertise: I love coffee

Grinder: Capresso Infinity burr
Drip: Technivorm Moccamaster
Roaster: I Roast2
Posted Mon Jul 22, 2013, 7:01am
Subject: Re: Someone left their beans out in the rain
 

Since roasted beans contain a lot of oil, for the amount of time they were submerged, and with the water being cool,  it's likely they haven't absorbed any of that water.  I just put a few roasted beans in a bowl of water to see what would happen, and they just float.  Maybe try the same thing with some of your beans to see if they sink or float to gauge if they've absorbed water.  Being rainwater though, it may have pollutants in it, so you may want to rinse the beans then just let them air dry.  Probably no big hazard from that anyway, but other larger crud may have washed into it that you wouldn't want to include in a grinder or a brew.  

Ken
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Netphilosopher
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Joined: 14 Jan 2011
Posts: 1,602
Location: USA
Expertise: Just starting

Posted Mon Jul 22, 2013, 7:44am
Subject: .
 

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Bob_M
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Bob_M
Joined: 30 Oct 2007
Posts: 77
Location: Ripon, California
Posted Mon Jul 22, 2013, 7:44am
Subject: Re: Someone left their beans out in the rain
 

Sorry for the off topic post, but I just had to chime in to say that I love the title of this thread.
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dustingm
Senior Member


Joined: 22 Jul 2013
Posts: 4
Location: Goshen, IN
Expertise: I live coffee

Posted Mon Jul 22, 2013, 7:51am
Subject: Re: Someone left their beans out in the rain
 

Well, they're already roasted.  That's what I was checking, to see if the water would've damaged them irrevocably.  I might just leave them in my garage with a box fan blowing on them for a day or so until they dry out, then checking to see if it still gums up my burr grinder.

Hmmm, this might open up a new marketing opportunity for "late-process monsooning."  HA!


Netphilosopher Said:

Measure the density of the beans.  1/3 LEVEL cup (about 79ml) should weigh about 58-59g.  They probably weigh about 65g now if they were significantly waterlogged - but I doubt they were badly damaged.

Dry them until they are around this density.  Then go ahead and roast them.

(you could stick them in burlap sacks, and keep them in a humid environment to "monsoon" them... LOL)

Posted July 22, 2013 link

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Netphilosopher
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Joined: 14 Jan 2011
Posts: 1,602
Location: USA
Expertise: Just starting

Posted Mon Jul 22, 2013, 9:23am
Subject: .
 

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Netphilosopher
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Joined: 14 Jan 2011
Posts: 1,602
Location: USA
Expertise: Just starting

Posted Mon Jul 22, 2013, 9:37am
Subject: .
 

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dustingm
Senior Member


Joined: 22 Jul 2013
Posts: 4
Location: Goshen, IN
Expertise: I live coffee

Posted Mon Jul 22, 2013, 9:52am
Subject: Re: Someone left their beans out in the rain
 

Yeah, when I drained the beans the water was definitely a little brown, but this particular coffee was very "chaffy" so it could be that the color came more from the chaff than from the beans themselves.

I currently have the beans drying on a cookie sheet.  The window unit air conditioner is on, and there's a box fan in front of the AC blowing on the beans.  We'll let 'em dry for a day and see what happens.  However it ends up, it'll still be better than Starbucks, AMIRITE?
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dustingm
Senior Member


Joined: 22 Jul 2013
Posts: 4
Location: Goshen, IN
Expertise: I live coffee

Posted Tue Jul 23, 2013, 3:07am
Subject: Re: Someone left their beans out in the rain
 

So I dried the beans out overnight and they certainly felt dry again.  Tried making coffee this morning with them.

Hard as rocks.  My grinder couldn't handle it.  Managed to get enough for a couple of cups and did a pour-over brew with the Clever Coffee Dripper.

Ugh.  Terrible.  I tossed the whole batch, and I'm roasting again tonight.

Well, now I know.  "Late process monsooning" isn't the new trend in coffee roasting.  Y'all have been warned.  Thanks for the replies, everyone.
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Netphilosopher
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Joined: 14 Jan 2011
Posts: 1,602
Location: USA
Expertise: Just starting

Posted Tue Jul 23, 2013, 4:48am
Subject: .
 

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