file Basic question of semi-auto brewing

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10 years 4 months ago #3485 by Daniel
Basic question of semi-auto brewing was created by Daniel
Hi everyone. This is my first post. I just recently received my espresso machine. It's a Gaggia Baby Twin. Believe it or not I ordered a Gaggia Espresso Pure ($250) and received a Gaggia Baby Twin (~700). My question is a very basic one. The machine has two spouts, right. Does that mean that two espressos have to be made each time? And, if the golden rule is a double shot in 20-25 seconds, does that mean it's supposed to be halved since it's coming out of two spouts? Maybe, I'm way off on this.

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10 years 4 months ago #3486 by colin
Replied by colin on topic Basic question of semi-auto brewing
That is QUITE the upgrade!

Where did you order from?

Two spouts, One glass - same timing:

A double basket = 25s = 2 fluid ounces
A single basket = 25s = 1 fluid ounce

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10 years 4 months ago #3488 by Daniel
Replied by Daniel on topic Basic question of semi-auto brewing
I ordered it from seattlecoffeegear.com.

Thanks for the reply.

A few more novice-level follow-up questions:

1. Why would less liquid flow through a single basket in the same amount of time?

2. Is the contents of a single or double basket good for only one single or double shot?

3. So, anything more than the amount of liquid mentioned in the allotted time means that either the coffee grains aren't fine enough or the coffee wasn't tamped with sufficient pressure?

4. Finally, In general, should a quality shot of espresso have a slight acidity or bitterness to it? In other words, what's the basic taste profile of a good tasting espresso?

Thanks very much!

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10 years 4 months ago #3489 by colin
Replied by colin on topic Basic question of semi-auto brewing
Daniel wrote:

I ordered it from seattlecoffeegear.com.

1. Why would less liquid flow through a single basket in the same amount of time?

2. Is the contents of a single or double basket good for only one single or double shot?

3. So, anything more than the amount of liquid mentioned in the allotted time means that either the coffee grains aren't fine enough or the coffee wasn't tamped with sufficient pressure?

4. Finally, In general, should a quality shot of espresso have a slight acidity or bitterness to it? In other words, what's the basic taste profile of a good tasting espresso?

Thanks very much!


Did SeattleCoffeeGear.com screw up your order or where they just feeling generous that day?

All the answers that you are looking for are actually on this website... but in short...

1.) on the single basket you have applied the same tamp pressure on 1/2 the amount of coffee which reduced the volume by half. Get it?

2.) Yes - and SINGLES are a bitch to master, trust me!

3.) Exactly.

4.) Yes, because coffee by definition acidic and hence bitter.

Good questions I will grant you that.

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10 years 4 months ago #3490 by Daniel
Replied by Daniel on topic Basic question of semi-auto brewing
Definitely a mistake. Guess I just got lucky.

P.S. I forgot to say thank you.

Thank you.

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10 years 4 months ago #3491 by colin
Replied by colin on topic Basic question of semi-auto brewing
I would bring this to their attention...

or risk the bad karma associated with letting it go...

:)

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