Hello all; My Rancilio Silvia V1 wasn't steaming very well, so I took off the steam nozzle to clean it and found two small (head of a pin sized or a bit bigger) pieces of light green material inside. Under magnification It looks smooth and uniform so I'm guessing it's man-made and not some exotic form of scale

Now this is the kind of content that is truly inspirational. Dave, I've sent an email

True, but the alternatives that can roast a full pound have so much better control over the roast with telemetry that it ends up being a worthwhile upgrade for most

The video in the last entry shows how the grind adjustment works. There is a lock at the zero marking (as well as the 145 marking), so it is impossible to make more than one turn on the adjustment wheel. I removed the collar to check for the chirp, and it was approximately at -3. After I changed

Do DF64v's have this problem?

Are you sure about that? Looking closely at the plumbing, it looks to me like you have a line pressure inlet fitting at the front of the drip tray surround that feeds a manifold that wraps around the back side of the frame to feed the groups and the valve with a lever on it. Given the other valve

And the same could be said of a pourover cone for a lot less money

No I haven't tried

I'd have to think the main advantage is the brewing temps for certain roasts give it the slight edge over a steady temp with the moccamaster if going off of my experience with an espresso machine but I'm not a next level coffee guy so who knows

Don't take this the wrong way but that's saying a lot without saying anything at all