Unanswered Questions
68 questions with no upvoted or accepted answers
15
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
112 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?
5
votes
0answers
70 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 ...
4
votes
0answers
99 views
What are the effects of caffein olfaction?
Does smelling caffeine share equivalent effects on our central nervous system to those immediately apparent when ingesting? More precisely, does the aroma of coffee necessitate a beneficial ...
3
votes
0answers
39 views
Rocket Giotto Brew Lever scratch
Is this normal wear on the lever to the right of the lever arm?
3
votes
1answer
149 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 ...
3
votes
0answers
125 views
Will Cafetto cleaning tablets work with Sage Dual Boiler machine?
Will this Cafetto cleaning tablets work with my Sage Dual Boiler espresso machine (the "by Heston" range)?
2
votes
0answers
21 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 ...
2
votes
0answers
13 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
25 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
2answers
135 views
Which produce more crema Arabica or Robusta?
Which beans produce more crema Arabica or Robusta ?
Is it the same for Espresso and Turkish ?
Thanks
2
votes
1answer
112 views
How does Caffeine-free coffee affect your body?
Is it caffeine or chlorogenic acid the ingredients of coffee stimulating the stomach?
If it's chlorogenic acid, do you have coffee without chlorogenic acid? Or how to choose coffee with less ...
2
votes
0answers
20 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
0answers
41 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 ...
