Unanswered Questions

65 questions with no upvoted or accepted answers
16
votes
0answers
1k views

Research funding for health benefits by coffee trade associations

How much funding is provided by the coffee industry for research on the health benefits of coffee? I came across a statistic that surprised me by its meagerness. According to their website, the ...
6
votes
0answers
118 views

Empirical data on reuse of grounds, by flow and filter

We wanted to know are there quality empirically generated chemical composition tables examining the relationship between filter porosity, flow by volume per time, and grounds of different varieties?
4
votes
0answers
40 views

Does hydration level change the effect of caffeine?

Apologies if this question does not belong here, it may be suit for the chemistry site, but it pertains to the consumption of coffee directly -> so here it is. Does your prior level of hydration ...
4
votes
0answers
72 views

How can I test or repair my Keurig k45 heating component?

My k-cup coffee maker has stopped making coffee. It's a Keurig K45. It will take water, activate the pump, then it will just stay on the step with the red heating light on. I've let it sit for 15 ...
3
votes
0answers
46 views

Distilled tasting coffee

I'm using a Mr Coffee and it heats the water so the water turns to steam and goes up some tube into a dripper. Basially it distills it so naturally the water should taste a bit distilled but usually ...
3
votes
1answer
246 views

My Handpresso got leakage after leave it with some air pressure built in. Could it be worse?

Today, I got my Handpresso at work to have some coffee. When I picked up and pressed valve, I heard air escaping sound. That means there was still some air pressure inside chamber! I used it last ...
3
votes
0answers
2k views

Descaling Nespresso with citric acid

Nespresso instructs its customers only to use lactic descaling solution or the guarantee may be void. However lactic acid can be hard to get by and Nespressos own solution is heart-stoppingly ...
2
votes
0answers
23 views

Chemex Setting for Bay Area Costco Grinder Machines

I recently bought Peet’s ground coffee at Costco for the first time. It's too fine for Chemex (although usable) so next time I plan to buy whole bean and grind it at the store (sorry, coffee ...
2
votes
1answer
19 views

Dialling in with a Barista express

I recently got hold of a Sage (=Breville) Barista express, which has a built in grinder. I haven’t been getting great results with it so far. Also, there seems to be a kind of mismatch between the ...
2
votes
0answers
23 views

What are these mystery numbers on the Nescafe disposable coffee sachets?

I noticed the numbers 1-9 (did not see any with double digits) on these nescafe sachets. Anyone know what they are for?
2
votes
2answers
118 views

Coffee tasting notes: myth or reality?

This is what it says on my current beans: lots of raisin and candied fruit peel is backed up by a creamy sweetness that makes me think of a Creme Brulee - right down to the little hints of caramel. ...
2
votes
0answers
23 views

Requirements for Nel Drip Coffee

I have a question about Nel Drip coffee requirements. Recently I've been checking few blogs and articles about this type of brewing, it mostly leads to these "settings": - Old coffee beans - Coarse ...
2
votes
1answer
36 views

How to verify grinder switch works

I just read today in my Jura A7 manual: CAUTION If you adjust the consistency of grind when the grinder is not operating, the grinder adjustment switch could be damaged. Only adjust the ...
2
votes
0answers
21 views

Intermittent Bottomless Filter Spray — Any Suggestions?

I have a Rancilio Silvia and a Breville Conical Burr Grinder. We roast our own beans using a Behmor 1600, and typically do kinda light roasts. Very often, regardless of the bean, roast, packing ...
2
votes
4answers
4k views

How can I clean a rusted moka pot?

I got a moka pot about 1 year ago, I used only 2 times. After the first time I used it I cleaned it with soap and let it air dry. I noticed then some oxidation (rust) inside the pot, I tried to soak ...

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