Author Topic: Coffee  (Read 30805 times)

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Offline DaBigTrain

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Re: Coffee
« Reply #525 on: May 29, 2020, 10:56:24 AM »
I haven't bought any since quarantine started but I have smashed a ton of the roasterie CBD coffees over the past year.  They are pretty expensive(like $25 for 6) but man oh man are they good.

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Offline star seed 7

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Re: Coffee
« Reply #526 on: May 29, 2020, 11:10:58 AM »
Just finished a medium hot coffee from dunkin donuts (bitb drive thru joe)
Made coffee with some locally roasted beans and it was amazing.

Then out of desperation grabbed some DD from the grocery store and honestly just about as good.

Man, I love me some DD coffee from the shop, but the DD keurig pods I got a few years ago were barftastic
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Offline Rage Against the McKee

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Re: Coffee
« Reply #527 on: May 29, 2020, 01:18:49 PM »
Just finished a medium hot coffee from dunkin donuts (bitb drive thru joe)
Made coffee with some locally roasted beans and it was amazing.

Then out of desperation grabbed some DD from the grocery store and honestly just about as good.

Pro tip for fellow drip makers out there: the instructions always tell you to do way too many scoops of coffee. Honestly unless you’re using a filter with like a gigantic diameter there’s not much difference between 6 and 12 scoops.

I think the second quote explains the first. DD is decent coffee, though.

Offline catastrophe

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Re: Coffee
« Reply #528 on: May 29, 2020, 01:33:14 PM »
This quote explains both

My method is backed by rigorous science and experimentation.

Offline 8manpick

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Re: Coffee
« Reply #529 on: May 29, 2020, 02:27:16 PM »
I didn't realize he came up with his username based on his coffee making
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Offline Sandstone Outcropping

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Re: Coffee
« Reply #530 on: May 03, 2021, 03:05:12 PM »
n00b question that maybe gE engineering and chemistry experts can help me with: why do they always say to use cold water when making coffee? If the water is going to be heated to near-boiling or boiling, why would it matter?

Offline DaBigTrain

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Re: Coffee
« Reply #531 on: May 03, 2021, 03:08:41 PM »
The chemical composition of water changes depending on what you use to heat the water with. Coffee makers have a special heating element that heats the water in just the right way so that chemically it is more ideal to rinse over coffee grounds. It's important to fill the coffee maker with cool water(below 72F) so that the chemical heating process is done correctly and your coffee comes out with the right texture for a solid cup of joe.
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Offline Sandstone Outcropping

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Re: Coffee
« Reply #532 on: May 03, 2021, 03:18:54 PM »
The chemical composition of water changes depending on what you use to heat the water with. Coffee makers have a special heating element that heats the water in just the right way so that chemically it is more ideal to rinse over coffee grounds. It's important to fill the coffee maker with cool water(below 72F) so that the chemical heating process is done correctly and your coffee comes out with the right texture for a solid cup of joe.
Not trying to be dense but how does the chemical composition change? Isn't it H20 the whole time?

Offline catastrophe

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Re: Coffee
« Reply #533 on: May 03, 2021, 03:23:17 PM »
I always assumed it was cause hot water has to go through more junk (namely, a water heater) before it gets to the tap. So more opportunity for contamination.

Offline Brock Landers

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Re: Coffee
« Reply #534 on: May 03, 2021, 03:24:59 PM »
I'm highly skeptical my Mr. Coffee that cost $15 has any kind of special heating element.  It more likely has the cheapest hottest thing they could jam in there without causing many shorts or fires or outright melting through the case.

Offline Sandstone Outcropping

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Re: Coffee
« Reply #535 on: May 03, 2021, 03:36:46 PM »
I'm highly skeptical my Mr. Coffee that cost $15 has any kind of special heating element.  It more likely has the cheapest hottest thing they could jam in there without causing many shorts or fires or outright melting through the case.
FWIW, this tread says that cold water has more dissolved O2 in it and that is good, i guess:

https://www.reddit.com/r/Coffee/comments/744vsa/why_do_the_coffee_instructions_specify_cold_water/

Offline DaBigTrain

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Re: Coffee
« Reply #536 on: May 03, 2021, 03:37:58 PM »
The chemical composition of water changes depending on what you use to heat the water with. Coffee makers have a special heating element that heats the water in just the right way so that chemically it is more ideal to rinse over coffee grounds. It's important to fill the coffee maker with cool water(below 72F) so that the chemical heating process is done correctly and your coffee comes out with the right texture for a solid cup of joe.
Not trying to be dense but how does the chemical composition change? Isn't it H20 the whole time?

A water molecule consists of two hydrogen atoms bonded to an oxygen atom, and its overall structure is bent. This is because the oxygen atom, in addition to forming bonds with the hydrogen atoms, also carries two pairs of unshared electrons. All of the electron pairs shared and unshared repel each other.

The most stable arrangement is the one that puts them farthest apart from each other: a tetrahedron, with the O-H bonds forming two out of the four “legs”. The lone pairs are slightly more repulsive than the bond electrons, so the angle between the O-H bonds is slightly less than the 109° of a perfect tetrahedron, around 104.5°.^2 The heating element in a normal coffee machine keeps this perfect tetrahedron intact while heating the water up. So when the water goes over the coffee grounds with this perfect tetrahedron it chemically can absorb more of the flavor of the coffee grounds.
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Offline WillieWatanabe

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Re: Coffee
« Reply #537 on: May 03, 2021, 03:39:49 PM »
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Offline star seed 7

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Re: Coffee
« Reply #538 on: May 03, 2021, 03:48:00 PM »
I always assumed it was cause hot water has to go through more junk (namely, a water heater) before it gets to the tap. So more opportunity for contamination.

More to do with hot water just sits there in the tank, but cold water is cycled more often. Stagnate water doesn't taste good.
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Offline Sandstone Outcropping

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Re: Coffee
« Reply #539 on: May 03, 2021, 05:11:49 PM »
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don't know what that is but it isn't coffee

Offline puniraptor

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Re: Coffee
« Reply #540 on: May 03, 2021, 08:15:24 PM »
hot water leaches more lead out of your lead pipes

Offline passranch

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Re: Coffee
« Reply #541 on: May 04, 2021, 12:54:52 PM »
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don't know what that is but it isn't coffee

That's twenty ounces of HFCS in various different flavors, topped with whip cream and then more sugar on top.

Probably pretty healthy.

Offline Fedor

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Re: Coffee
« Reply #542 on: May 04, 2021, 03:56:13 PM »
The chemical composition of water changes depending on what you use to heat the water with. Coffee makers have a special heating element that heats the water in just the right way so that chemically it is more ideal to rinse over coffee grounds. It's important to fill the coffee maker with cool water(below 72F) so that the chemical heating process is done correctly and your coffee comes out with the right texture for a solid cup of joe.
Not trying to be dense but how does the chemical composition change? Isn't it H20 the whole time?

A water molecule consists of two hydrogen atoms bonded to an oxygen atom, and its overall structure is bent. This is because the oxygen atom, in addition to forming bonds with the hydrogen atoms, also carries two pairs of unshared electrons. All of the electron pairs shared and unshared repel each other.

The most stable arrangement is the one that puts them farthest apart from each other: a tetrahedron, with the O-H bonds forming two out of the four “legs”. The lone pairs are slightly more repulsive than the bond electrons, so the angle between the O-H bonds is slightly less than the 109° of a perfect tetrahedron, around 104.5°.^2 The heating element in a normal coffee machine keeps this perfect tetrahedron intact while heating the water up. So when the water goes over the coffee grounds with this perfect tetrahedron it chemically can absorb more of the flavor of the coffee grounds.
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Offline Stupid Fitz

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Re: Coffee
« Reply #544 on: May 04, 2021, 04:37:23 PM »
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don't know what that is but it isn't coffee

That's twenty ounces of HFCS in various different flavors, topped with whip cream and then more sugar on top.

Probably pretty healthy.

and $28