Welcome Matteo. Are both graphs of the same roast and just aligned differently? It looks that way since in the second graph the 0:48 TP occurs after the 0:57 TP of the background roast. Long story short, I would focus on hitting the BT milestones, and as long as the RoR is following a similar, parallel shape

Because the water in your boiler has probably not been let out despite a lot of steaming... Steaming evaporates out the water but leaves the minerals behind, concentrating more and more. Give the boiler three flushes to bring it back to clear, then use the hot water valve to pre-heat a cup before brewing to keep enough

I was hoping it would be out about now. It may be a contender for me

Hi all, I picked up a 2nd hand 4 year old Appartamento recently which works perfectly but was clearly not regularly cleaned / maintained. I popped the shower screen off and it was covered in a layer of grime. The previous owner wasn't aware that the water reservoir is removable and it also was covered in a light

It definitely is one of the smaller trays I've worked with, but I'm surprised at how infrequently I have to empty it. I don't clean my portafilters with the water from the machine because I use that special water for coffee as much as possible. I use a tap nearby

Wobbler weights work fine, just don't let the machine move suddenly while under pressure . With a gasket between the metal pin and the valve holder that screws into the boiler they can work just as well as the modern ones. Safety valves work fine, but if you really like to go old school the modern stuff

At Walmart you can buy "Milk2go" - that's what I use for my latte when I travel around in Canada and the US. Works well. It's either in the cooled milk session (why?) or near the cashier. Depends on the Walmart you're at {link}

I got some stickers here, they have white and blue (E61) (and a wealth of other parts) {link} I also went with the Astoria spring at TSE but have not yet installed it as the original was crusty but OK to use IMO. the pipes I replaced were 8mm, although I would not read anything in that in

Historically, Harvard, MA. {link}

Yeah, for some reason most (all?) prosumer coffee machines have the OPV valve set too high. No one knows why. My hypotheses is that it helps people with low end grinders and manufacturers have less annoyed customers that way, even if it's worse for the extraction. About bar/bars that's funny, I have no idea