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Originally posted by 66797E7D7462797E65707D7E6774110 link=1282567325/10#10 date=1283749848
Generally speaking, if you are using time and volume to define your shots, then the time begins from the point at which you press your extraction button. The industry standard is 25-30 ml in 25-30 seconds. So, using an 18 gram basket, a voulume of 40 ml in 25 seconds is pretty good.
As you become more familiar with extracting your shots, you will inevitably find that these volumes and time guidelines are very broad, and the true indicator of quality while extracting, and correct rate of flow is visual.
So here are some visual indicators to assist you also-
1) Infusion- approx 5-10 seconds before your shot appears from the spouts.
2) Colour- dark chocolate, dark caramels etc.
3)Even from both spouts- indicator of even tamping action.
4)Texture- Thick, heavy, viscous. Should begin dripping, then even out into an extraction from both spouts. Pouring directly downward from the spouts.
5)Colour change- the colour of your shot will change from the dark colours and thick textures, to a yellow colour (what we call blonding) and thin (watery) texture. This is the indicator to stop the shot. It occurs generally between 20 to 30 mls in volume.
Watch for this colour change, as this indicates all the best flavours have been extracted from your coffee, any flavours and textures extracted into the cup when this colour change occurs are negative (bitter). Quality will be far better controlled by watching the extraction and its indicators, rather than focusing on volumes and times.
Generally speaking, if you are using time and volume to define your shots, then the time begins from the point at which you press your extraction button. The industry standard is 25-30 ml in 25-30 seconds. So, using an 18 gram basket, a voulume of 40 ml in 25 seconds is pretty good.
As you become more familiar with extracting your shots, you will inevitably find that these volumes and time guidelines are very broad, and the true indicator of quality while extracting, and correct rate of flow is visual.
So here are some visual indicators to assist you also-
1) Infusion- approx 5-10 seconds before your shot appears from the spouts.
2) Colour- dark chocolate, dark caramels etc.
3)Even from both spouts- indicator of even tamping action.
4)Texture- Thick, heavy, viscous. Should begin dripping, then even out into an extraction from both spouts. Pouring directly downward from the spouts.
5)Colour change- the colour of your shot will change from the dark colours and thick textures, to a yellow colour (what we call blonding) and thin (watery) texture. This is the indicator to stop the shot. It occurs generally between 20 to 30 mls in volume.
Watch for this colour change, as this indicates all the best flavours have been extracted from your coffee, any flavours and textures extracted into the cup when this colour change occurs are negative (bitter). Quality will be far better controlled by watching the extraction and its indicators, rather than focusing on volumes and times.
Originally posted by 757D766C7974716B6C180 link=1282567325/8#8 date=1282828325
Ive done a lot of fishing here and elsewhere on this question and opinions vary more than a bunch enonmists would. So I thought Id ask the question once more for good measure. And I guess it doesnt hurt to have said question answered in every thread on brew times. Cheers.
It is not so much as to what is correct..
But more the issue of lets compare Apples with apples...
My pour time is 14 and yours is 24 .... But I decide to count from the drips start... You from when you flick the switch / hit the button and some one else take his 4 seconds out of teh calculations due to pre infusion time out... Doh. We have a mess and no one knows where they are standing.
Thus start counting when ya hit the switch etc and stop when you kill it or the timer stops the pump... As to if the last few droples count in the volume etc... Well I can be anal; but am also a realist ;D
OH and dont try to compare a true Lever with a more mechanical machine... Different again.... Just like a preso.. It is about what is in the cup.. NOT THE FRIGEN NUMBERS.
Ive done a lot of fishing here and elsewhere on this question and opinions vary more than a bunch enonmists would. So I thought Id ask the question once more for good measure. And I guess it doesnt hurt to have said question answered in every thread on brew times. Cheers.
Originally posted by 4A424953464B4E5453270 link=1282567325/6#6 date=1282825733
Im fairly new at this caper, so with that in mind ... does that 25 seconds include pre-infusion time? I know its just a guide and taste is the overall arbiter, but Id like to the opinion of more refined palettes.
If ya new... Search and do some fishing first... Advanced and some key words such as pre-infusion time....
Im fairly new at this caper, so with that in mind ... does that 25 seconds include pre-infusion time? I know its just a guide and taste is the overall arbiter, but Id like to the opinion of more refined palettes.
I use a double basket for brewing (my single basket is stepped). It holds approx. 18g.
My question is this: should I adjust my grind to produce double the normal volume of espresso in the normal shot time because Im using a double basket?
I ask because I have a naked portafilter and like to use my espresso cups that hold about 40ml. I dont know whether Im better off adjusting for a 25 sec. 40ml or setting my grind for a 80ml 25 sec shot and stopping pull half way.
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