Hi... here's how it went.
The first round with the gemilai where i kinda had acceptable result at 20 - 20.5g is with the pre-ground on the left.
It was acceptable, but it's a bit coarser than i'd like.
After finishing the batch, i got a new one from mister coffee, as I previously bought their 'Fine' for my aeropress. In comparison, mr coffee's Fine is like Sol Roastery's Extra Fine, so my hunch will be Mr Coffee's extra fine will be perfect. for the expresso machine

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From the picture, (sorry the quality is not too good) but it's finer than what i had.
Here's the video of the shot I pulled.
https://drive.google.com/file/d/1SzV5CwXuLI...iew?usp=sharingI've gotten pretty good results, at 18-19g
It's a workable routine, if you wanna safe some time, or if your in a condo, and kitchen space is a premium.
For those with a good grinder setup, I'm interested to know whata's your results from mister coffee's extra fine too. It'll be great if you can get a pack and try it out too.
The only downside i feel is, the coffee is like a couple weeks 'old' lar upon arrival (I got coffee thats probably grinded and packed on mid of april in 1st week of may), but crema's still there.. and it tastes quite good la.
Thanks.