Hi Paul, and welcome to H-B. So you have espresso drops appearing right after you start the pump? Shot timing considerations aside, that does not seem right. In my experience, it takes several seconds to saturate the coffee puck (which holds about twice its weight in water) before the espresso flows...

Hope you are enjoying your new grinder! But 10000rpm and 10s? Just to set the record straight: the "Sette" runs at 650 rpm and (in my kitchen) grinds an espresso dose in 4-5s

Thanks Craig, forgot about the paywall

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Hi Vince, and welcome to H-B. Consistency is important in espresso. It's worth some time and effort finding out why your extractions are so variable. "Here" is a simple test that might help you diagnose the problem. Like the previous posters, let me encourage you to get a 0.1g scale. In addition, 18...

What beans and what basket? Same results if you change these?

I'm sure you can find plenty of good reasons not to buy a DE1. But this is not one of them

This is clearly your decision but... is there a reason why you're choosing the Mini over the Micra? The Micra is $2K less expensive, more kitchen friendly (lighter, smaller footprint), fast warmup time, and overall seems a better fit. You can run it from the water reservoir and then plumb later if n...

Could also be astringency

Well, everything is optional. But a bit of bicarbonate buffer is a good idea, to keep pH within reasonable bounds. Tastewise, "Scott Rao" suggests that "Alkalinity is - by far - the single most important factor in how water chemistry will affect coffee flavor." I've been using sodium bicarb (baking ...