Search on ""puckology"" to read other prior discussions. FWIW, I agree with the other posters that (a) it looks like a dispersion screen impression, (b) looking for evidence of channeling with a bottomless portafilter offers more ...

Are you single dosing? Are you purging old grind leftovers from the previous shot? 5-6 seconds is normal to start for a well flowing shot. Dose, grind, taste and shot volume are all interrelated and must be adjusted in concert. I concur with going to 17.5g - depending on the coffee - and grinding fi...

Last few days I did some puckology using my Flair with modified bottomless basket, which I also made slightly tapered, so that it is similar in shape to Robot basket, just smaller by 1/3 Some shots had even a few sprizters, some started ...

Some further reading about puckology ... {link} {link}

Having read the linked verbiage, I got to wondering. The author states "I now suspect that adding a source of hydraulic resistance under the puck that is non-negligible compared with the espresso puck itself is desirable to reduce the impact of channels because it slows down the flow of water where ...

Yess, I believe as you our ability in stepping up the game with improved extraction support. One obvious way is the Webb Unifilter. Do you think that there is a need for this new Sworksdesighn designed puck screen

Yes, except for the puckology, Brian is pretty much describing to the T my exact experience with the Weber Unifilter! I guess he is more skillful than I because the Unifilter forced me to really up my game as far as puck preparation ...

That's just a tad too much puckology for my tastes

Just because some puckology is frowned upon doesn't mean the whole concept should get a bad rap. Discussing dark spots is getting quite popular, one example: {link} It was one of those things I often wondered about before the recent ...

... couldn't remember the company who made the portafilter with the integrated basket until you mentioned Weber. I didn't read too much into the whole puckology sections of the video either but I did find it interesting that the different hole patterns in their 4 models have a noticable effect on the ...