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Bonavita coffee dripper - no body
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ducksredux
Senior Member


Joined: 1 Jul 2012
Posts: 10
Location: USA - Philadelphia
Expertise: I love coffee

Grinder: Hario Mini Mill
Posted Wed Apr 9, 2014, 5:28pm
Subject: Bonavita coffee dripper - no body
 

Howdy!
New toy: the porcelain Bonavita immersion coffee dripper. So far I've tried 8g with 130ml with Melitta filter, coarse-ish ground, rinse filter with boiling water half full then release, then 30 secs off boil, 30 sec bloom, 3 minute steep. Also tried 30g with 450ml, same everything else.

Coffee tastes flat, like no body.  Are these just crappy filters that trap every last bit of oil?  When I do pour overs with my Hario cone and filters there's more body than this, even though that's just a 1-2 minute process vs 3-4.
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MWJB
Senior Member


Joined: 1 Jun 2013
Posts: 190
Location: UK
Expertise: I like coffee

Grinder: Rocky, Lido, Porlex, Hario...
Drip: Not enough room to list...
Posted Thu Apr 10, 2014, 12:43am
Subject: Re: Bonavita coffee dripper - no body
 

Being an immersion dripper brewing takes longer & a finer grind to hit an equivalent strength to drip.

Use the white filtropa papers. Or, use the Hario paper for an A/B, you can make it fit, fold over the point.

Don't grind coarse, there is no need, the paper filter will keep solids out. grind just coarser than espresso.

130ml of water will lose heat pretty quickly, I always try and fill mine up...300g of brew water at least. More brew water means the coffee will hold temp better during the brew.

The steeped coffee drains through the bed, this can lead to a lack of body, bump up the brew ratio...try 65g/l. If you want maximum body, put the coffee in the brewer first then add the water, less body - put the water in first.

Steep time will depend on your grinder...10mins minimum, 30minutes will ensure you hit a good level of extraction & your coffee will still be hot enough to enjoy if you preheat the brewer. You can't really overdo the time, as long as your coffee is warm enough to enjoy.

If none of that works (it will...) open the valve & use it like a pourover ;-)
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ducksredux
Senior Member


Joined: 1 Jul 2012
Posts: 10
Location: USA - Philadelphia
Expertise: I love coffee

Grinder: Hario Mini Mill
Posted Thu Apr 10, 2014, 2:12am
Subject: Re: Bonavita coffee dripper - no body
 

Thanks, I'll try your suggestions.  I thought that for immersion methods like French press you need larger particles due to the longer extraction time.
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MWJB
Senior Member


Joined: 1 Jun 2013
Posts: 190
Location: UK
Expertise: I like coffee

Grinder: Rocky, Lido, Porlex, Hario...
Drip: Not enough room to list...
Posted Thu Apr 10, 2014, 2:35am
Subject: Re: Bonavita coffee dripper - no body
 

ducksredux Said:

Thanks, I'll try your suggestions.  I thought that for immersion methods like French press you need larger particles due to the longer extraction time.

Posted April 10, 2014 link

That's a myth, you can use coarser particles if you like, but it will retard extraction...your issue seems to require greater extraction. Even fine grinds extract relatively slowly in a steep, nothing like as fast, or as far as they do in espresso/drip. French press, typically, has a coarse mesh on the plunger, I guess folk grind coarse to keep solids out the cup, I grind fine & don't disturb the bed by plunging for low silt, tasty brews.
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EricBNC
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EricBNC
Joined: 22 Jun 2010
Posts: 1,869
Location: North Carolina
Expertise: Just starting

Espresso: QM Silvano, LP Stradivarius,...
Grinder: K30, Major, Preciso, Pharos,...
Vac Pot: Sunbeam C30, Bodum Santos...
Drip: Bonavita BV-1800,...
Roaster: Behmor, Melitta, Fresh...
Posted Thu Apr 10, 2014, 4:03am
Subject: Re: Bonavita coffee dripper - no body
 

MWJB Said:

Steep time will depend on your grinder...10mins minimum, 30minutes will ensure you hit a good level of extraction & your coffee will still be hot enough to enjoy if you preheat the brewer. You can't really overdo the time, as long as your coffee is warm enough to enjoy.

Posted April 10, 2014 link

This is a lot of time - over-extraction would be the likely result. I would grind finer and see how that works first.

 
I chew coffee beans with my teeth while gargling with 195 F water to enjoy coffee. What is this "coffee brewing" device you speak of?
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MWJB
Senior Member


Joined: 1 Jun 2013
Posts: 190
Location: UK
Expertise: I like coffee

Grinder: Rocky, Lido, Porlex, Hario...
Drip: Not enough room to list...
Posted Thu Apr 10, 2014, 4:32am
Subject: Re: Bonavita coffee dripper - no body
 

EricBNC Said:

This is a lot of time - over-extraction would be the likely result. I would grind finer and see how that works first.

Posted April 10, 2014 link

"Overextraction" in the subjective sense of past a particular preference point, or "overextraction" in the sense that too much solubles have been extracted from the coffee & extracting more will make it taste worse? The former, I can see as a question of taste, the latter I have never experienced.

It's pretty hard to overextract steeped coffee, you can hit peaks & troughs (juicy, flat, then sweet), but a hot brew is likely to go cold before it overextracts in the technical (rather than subjective) sense. I've had them come in at 4:00 to 40:00 (same extraction yield), average around 13:00.
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