QUOTE(eltaria @ Apr 29 2021, 08:33 AM)
It's been a few weeks, and I'd like to add in some comments on how my experiment went.
I got a bag of extra fine from SOL roastery, via shoppee
1st 3 of attempts was overly under extracted, as I was tampering too weak i believe. Getting 4 to 7 bars of pressure as i increased the dosage.
4th attempt, at 18g, I got about 8 pressure, and the flow is still quite fast, ended up with ~40g at around 15 seconds.
5th attempt,
1) 20g of coffee powder
2) Even tampering, with a leveling tool, and sufficient force of tamper.
3) Extraction time 23-26 seconds? I didn't really time it to the dot, as I wasn't expecting it to go well yet - Check
4) Pressure, ~9-10 bar of pressure using unfiltered portafilter/basket - Check
5) I got 41g of extraction, for my 1 to 2 ratio - Check.
Mathematically, the expresso hits all the correct numbers.Moving on to the taste test, it's good. Not overly sour, body's good, not overly bitter and I can even get a lingering sweet '金' after taste to it,
Crema's sufficiently there, the coffee could have been fresher admittedly, but that's my own problem as I only started brewing with the expresso machine
couple of weeks after my pre ground has arrived.
But by all means,
it's actually a workable routine.
If you're using those free grinders with your gemilai, or those < RM 300 grinders, going for pre ground coffee, from a roastery that freshly grinds and ship to you, is actually
a much better experience and I encourage you all to try, don't get discouraged by those who say you must grind yourself,
without understanding fully the grinders that you need to buy to be able to home grind, you will literally destroy your fresh precious costly coffee beans live with subpar grinders!
You will
1) Save time from grinding your own beans, faster cleanup.
2) You will get a much better expresso shot, as you will get an even grind size across your entire pack, getting an even grind size is actually a more IMPORTANT variable vs how fresh your beans to grinding is.
3) You don't have to invest RM 600++ or over thousands for a grinder that will take up kitchen space and maintenance
4) Less coffee wastages, from dialing, throwing the 10g of coffee from the old settings.
I'll add in a video/pictures later.
A few questions on your "Workable routine"
1. How do you actually get "even grind size" if you purchase roasted beans online? Asking other shop to grind the beans for you? Are you sure they willing to help yo u to grind the beans other than their shop?
2. How many visits do you have to do to get the right grind size? Each bag of coffee beans are different.
3. How much time will you save for keep visiting the coffee shop to grind the beans for you VS grinding your own beans using espresso-capable grinder?
When we talk about grinders, we don't simply recommend any subpar grinders. People will do homework/asking around here before simply buy any grinders.
I would suggest you learn about espresso-capable handgrinders first before venture into electric-motor based.
When we talk about espresso-capable grinders, we talking about:
1. Consistency on grind size at Espresso fine level
2. Able to dial-in for different type of beans which a very fine control
3. minimizing retention as possible
If you do not want any grinders which wasting your kitchen space, and insist using on pre-ground coffee from the shop, go no further than Flair NEO.
Flair NEO is specially designed for anyone who does not even bother to learn about grinders and prefer to use only the pre-ground coffee.
Otherwise, the frustration of no grinder far outweigh the result of your espresso shot from a machine like gemilai 58mm.
Still waiting your extraction videos from Gemilai machine.
Apr 15 2020, 11:02 PM
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