I had long thought of, since getting the Evo, having a dedicated thread to share my coffee experience. The laziness got the better off me. I also didn’t have much recounting the journey stories like experienced folks like Dave, dfk41, Systemic, MRS, Jake and many more. Jake’s recording of his journey is beautiful. With the duo due to be delivered soon, it’s about time I take a leaf out of Jake’s and have a thread sharing the user experience of using the Duo the way it was originally meant to be and designed for. Swapping the burrs seem to be quick and easy. Can one really integrate it as a part of a daily routine? Or, would it become a faff over time - what ever may be the reason ? I make 3 espressos in the morning for 3 and at least a filter or two for self during the day. There may or may be any decaf espressos in the evening. I think users like self are perfect candidates for the duo. I have every intentions of swapping the burrs - there is no reason not to otherwise. It remains to be seen if I will enjoy using the dual burrs daily or get bored swapping daily after the honeymoon period - 3 months! I will post my views as I experience it. There will not be any reviews or comparisons for three reasons. 1) I can’t be asked, 2) Tom, I am sure, will do the honours as usual and 3) I can’t afford to buy :-) I do want to know how I will like the espresso (taste wise) from JX pro vs the duo. I mostly drink medium light / light. I take full 2 mins to grind 17g. One thing for sure is I won’t be missing the hand-grinding part! 😁 More later!

Shipping notification https://i.imgur.com/n3egQCZ.jpg

cant wait for you to get hands on, its about time they hit the hands of more real world users, im sure you will love the grinder, im finding 6 to be a good starting point with beans for espresso and then 30-40 range with filter, which i dont drink alot of tbh,

@"Cuprajake"#p48288 Great shout. I will start at those ranges Jake.

Thx to @"dfk41"#4, grabbed a few KGs of cheap beans from Amazon for £30 to season the burrs sets. Supposed to be light / medium roasts [URL=https://i.imgur.com/on0KllQ.jpg][IMG]https://i.imgur.com/on0KllQ.jpg[/IMG][/URL]

think i ran about 500g through, got bored and just used it lol

@"LMSC"#p48290 Would be terrible if you tried drinking it snd enjoyed it!

I think Niche suggest this, but if you can, once unboxed, leave it to come to room temp which takes an hour or so. If you touch it, it will be freezing cold which is just a by product of the delivery system……enjoy matey!

@"dfk41"#p48297 Yeah! I saw their video. Thx mate.

> @"LMSC"#p48286 Swapping the burrs seem to be quick and easy. Can one really integrate it as a part of a daily routine? Or, would it become a faff over time - what ever may be the reason ? You will find that while waiting for the kettle to boil, you can swap the burrs, why not to get extra good filter as opposed to just using the espresso burrs.

@"DavecUK"#p48306 Indeed. No point in getting the filter burrs set otherwise. Let’s see how it goes over time 🤞

Coffee with Duo

LMSC

MediumRoastSteam Espresso burrs! It happened just two times.

MediumRoastSteam What would happen if you just leave the beans in there? Would they get ground eventually or will remain there until they are dislodged?

No idea mate! I would expect it to dislodge and fall into the hopper eventually.

I don’t even think about it. So, DW. Enjoy your coffee when she lands on your door step! 😊

Btw, why did you ask?

MediumRoastSteam

LMSC - curiosity and annoying really. 3 beans weigh approx 0.3g - 0.45g, which you could argue adds to retention.
And you say twice so far… But you had your duo for approx 2 weeks?

LMSC

MediumRoastSteam annoying really.

🤣🤣🤣

MediumRoastSteam 3 beans weigh approx 0.3g grams, which you could argue adds to retention.

I have been measuring the retention daily, as I start with a clean slate every time. It hasn’t exceeded 0.75g max including those 2 beans. The range is 0.45g to 0.75g to be precise.

MediumRoastSteam And you say twice so far… But you had your duo for approx 2 weeks?

Yes! I have however ground > 4 KGs of beans each on espresso and filter burrs. !

You are overthinking! 😂

Parm

I’ve put about 3-4 lbs through my Duo so far and haven’t had any issues with stuck beans yet.

DavecUK

Parm @LMSC Is just lucky that way.

LMSC

Day 13:

The usual routine in the morning. 3 espressos today. One was the usual Rocko Mountain from Foundry, the second was Crankhouse Guatemala Finca and the third was also from Crankhouse for self.

The new Crankhouse coffee is Colombia Yenni Esperanza Bermudez El Parasiso, Thermal Shock. Pulled at 92/98 on 5.5 on the Duo. It was one of the longest shots (1:29:10 mins) pulling out at 6.5 bars. I will go a mark higher and see what happens, although I am tempted to leave it at that. Because, the coffee is excellent and is literally like drinking a lightly sugared Mango juice.

I have already stopped pulling two shots for side by side with JX Pro as I do not have to justify the purchase. The Duo is great. It has simplified and eased my coffee making routine.

The Crankhouse Colombian Yenni is an excellent coffee. It has a heavy creamy body, a good texture and a little sugar after taste. Is that a reason they noted Gnache on the bag?

The fruity taste and acidity are classic tropical fruit - mango. It’s got a good floral (lavender) aroma at the background. I am resisting the temptation to pull another shot.

I will definitely brew this for sure. However, I will finish the Crankhouse’s Winton Benitez today and tomorrow before brewing the Yenni.

LMSC

@DavecUK

Considering I swap the burrs twice daily, what’s the best way to keep the bean hopper threads not only smoother but also prevent wearing out? It gets dirty with fines.

Thx

DavecUK

LMSC I never got so many fines in mine? I don’t know why you are getting so many, perhaps it’s the specific coffee. I was always very careful withdrawing the burrs not to get coffee in the threads and when brushing the grinder out?

You can always use a toothbrush followed by a bit of kitchen towel in one circular wipe to clean out the threads…then add a touch of lubricant…but you wouldn’t have to do this very often. Even if there is a bit of coffee dust in the threads, they should be fine.

LMSC

DavecUK Not sure. For some reasons, the fines get between threads. Most of my coffee beans have been light / medium light.

I will take extra care while brushing fines from the chamber. I use the MolyKote.

Thanks Dave

MediumRoastSteam

LMSC - a fine bristle toothbrush does wonders to keep the threads clean.

I remember watching a video on “The Wired Gourmet” and his advice is to wrap a few turns of PTFE tape around the carrier threads for smooth operation.

I have to say, with the Zero, I give it a clean every three months. There are hardly any fines on the threads. I never needed to wrap PTFE tape on mine, nor ever had to use silicone grease on the threads. They have always been very smooth. I suppose one of the cases for “if ain’t broke…”.

LMSC

MediumRoastSteam Thx mate. The PTFE tape is useful for those who do not open up for cleaning once a month or three. I can’t, given my frequency 😁

Strange though. I collect more fines than others. Is it the beans that I use or a lack of care while cleaning the chambers? May be both ! 😂

FadedFrontiers

LMSC Strange though. I collect more fines than others. Is it the beans that I use or a lack of care while cleaning the chambers? May be both !

As a fellow light-med drinker I like to think I was careful when cleaning my zero but I also had quite a few fines in there every time I opened it up!

LMSC

@MediumRoastSteam

Today’s retention from the espresso burrs is on the lower end!

No stuck beans, btw ! 😂😂😂

LMSC

Brewed Crankhouse Winton at 21 on the Duo at 12% Kruve. It was weaker than brewing at 9% Kruve.

Swapped the burrs and pulled 3 decafs for the evening . That’s it for the day folks.

MWJB

LMSC Brewed Crankhouse Winton at 21 on the Duo at 12% Kruve. It was weaker than brewing at 9% Kruve.

That is counter intuitive, did you do anything different with ratio, or brew size?

LMSC

MWJB Yeah, think so. :-)

Please see the detailed post here!

https://coffeetime.freeflarum.com/d/666-v60/270

LMSC

Day 14

The usual routine. A few espressos for the morning. We had some guests, who loved the Foundry’s Rocko Mountain as a flat white with their breakfast.

Swapped the burrs and brewed the Crankhouse Winton at 12% Kruve 400 on the Duo’s 17 mark. As MWJB advised, this #17 mark seems good as a 12% Kruve 400 grind reference to produce samples test results.

LMSC

My wife, who has been drinking the Foundry Rocko Mountain for a few months told me this evening there has been a noticeable change in aroma and taste in her coffee during the last 2 weeks with the new grinder than with the hand grinder. She also loved the filter that I had brewed this afternoon.

This sums up the happy upgrade! 😊

LMSC

Day 15

The usual routine of shots except I opened Dog n Hat’s Tim Weldelboe’s Honduran filter for espresso. The notes on the bag are Wine, Forest Berries and Herbal.

My wife liked the Dog n Hat filter as a white Americano. She said it was full of flavour, light and very nice.

It was the usual 17.5g, pulling out at 6 bars this time, and the shot lasted about a minute on 5.5 mark on the Duo. I think 6 will be perfect. It was lighter, moderately brighter, boozy and sweet berries like flavour. It had a sugary enjoyable earthy flavour at the finish and as after taste.

I will Clever brew the left over Crankhouse Winton later today.

tompoland

Have to say that I’m really enjoying the brew from the filter burrs. Hats off to Mazzer. I have some other filter burrs to try but I’m in no hurry given how well the standard set are performing. Its a very impressive grinder.

DavecUK

tompoland I’m really enjoying the brew from the filter burrs. Hats off to Mazzer.

I also found the filter burrs to be very good. I will be putting them up against some multipurpose burrs and lab sweets for filter in due course. The main thing I think is possible fines reduction and consistency of particle size, which is slightly better than when using espresso focussed burrs for filter.

I do think that it’s very difficult to make a single burr that can do both well.

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