I have an order in for an O1 with 102mm but with the delays I'm considering switching to the 98mm mizen. Has anybody here had a chance to experience the 102 and 98mm for espresso?

what is a good leveling tamper for $50? you are referring to ones with the lip and a 'spring' mechanism? Yeah there are cheaper ones especially on amazon etc but I find they are lightweight and trying to tamp hard enough is painful. a nice heavy 'conventional' tamper, per the post above, is enjoyable to use and only takes

- Chris Baca, on the Dialed Tamper #hks

Well, I pulled the check valve and opened it up. Looked pretty clean, but I cleaned up the little bit of scale in it put a little molykote on the o rings and reassembled it. I wanted to see if it was leaking, so I installed it backward and only to the inlet side, the. Turned the water on. Not

Yes

He didn't get something different, base frame is black

A pretty reasonable summary article has been published at phys.org if you're like me and found the original article a bit of a slog with all the genetics terminology. {link} I think that this article better conveys what a potential breakthrough this research may be

No Josh. This last unit was headed to a collector (not me). The Pharos was the first hand grinder they invented, and I had a version 1, serial 225. It was a breakthrough in grind quality for the cost way back when the one to beat in Jim Schulman's Titan Grinder Project review was the Mazzer Robur, at very

I've only picked up this hobby about 5 years ago so maybe I'm missing something but who's buying $175 conventional tampers when you can get really good leveling tampers for under $50. Is it like driving a manual car? It's more enjoyable if you're good at tamping straight?

Please let me know if you know more. What are the two knobs on the water level gauge on the right used for? {image}