r/Moccamaster

KM5 Busted after 2 Weeks

Splurged on a new KM5, after 2 weeks of glorious coffee it’s dead. Machine makes a buzzing noise when I try to grind. I disassembled and cleaned everything out, no change.

I know Moccamaster will make it right, but I’m still disappointed!

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u/BoringBreak7509 — 6 hours ago

What's your go-to Moccamaster recipe?

I've been experimenting with different recipes, but this is the one I keep coming back to because it's simple, consistent, and tastes great every time.

My current setup:

- Beans: Murrel Classic Blend 60gr

- Water: 1L

- Breville SGP, setting 48

- Half Pot setting

- Stir the coffee bed after 45 seconds

It gives me a balanced and reliable cup that everyone at home enjoys.

Curious to hear what everyone else is brewing.

u/tamimbro — 1 day ago

Brew method, KBT

Found a youtube video, tried that out, wondering if I used a old method. It's a year old video and the machine is similar but an older model.

#4 melita filter - washed

60 grams bartaza encore (new burr cone) size 20

1000ml bottled water

turn on, cover beans with water, turn off for 30 seconds, use back of spoon to cover beans, turn back on

basket opened half way.

So I'm wondering if the ratio has changed. I saw on the moccamaster website too that I probbaly should have it fully opened for that much water as well, but feel like that would have lead to a worse experience too. The first cup of coffee came out tasting watery. It tasted super clean, but much less flavor than I was expecting. Tried to look on the website for a manual instead of finding mine and they dont give you the full manual or cant seem to find a full manual online.

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u/Ikeelu — 1 day ago

Hey you 3D Print Professionals and Freaks!

I have and old model on the big MM. Like a really old one.

The ones where you have yo carry and remove all the stuff on top to pour your coffee.

Has any one 3D modeled yet alone 3D printed a holder for them? Like the modern trip tray ones have? Like in the later pictures?

If not could someone please do this?

As pictured there would not be much room for the holder and as the funnel bottom is round there is not much room for error or creativity.

But this is some tuning I would love to see and make my old school Moucca Meister more practical. At least in theory!

u/HandsomeJussi — 1 day ago

1 Cup in a full-size vs a single cup maker?

Sometimes my wife and I get up at the same time and want 20oz of coffee, and other times one gets up first and wants 10oz. Does the full size pot do a decent job making a single?

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u/HotToddy375 — 3 days ago

Fix for annoying air leakage on thermal carafe

So i have had the thermal carafe for several years but it always has bothered me when i get coffee in the morning and then i put the cap on i will hear air escape as pressure builds and ill try and tighten it more and it will stop then start hissing again. My solution was to add another gasket in between the normal cap gasket and the cap, i used a round silicone gasket. No more hissing. The gasket that comes with the cap is too thin. In the photo my additional gasket is the one that looks grey

u/Pleasant_Mobile_1063 — 3 days ago

Favorite Coffee and Accessories?

I’m getting my Moccamaster delivered this weekend and I’m super excited!

What’s your favorite coffee (besides local of course) and what kind of scale or accessories do you recommend or enjoy using?

Can’t wait to get started!

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u/stoleyoureyes — 4 days ago

Is this how my Moccamaster is supposed to brew?

Just got this secondhand and making sure it’s working okay!

u/AlltimeReps — 5 days ago

New KBGV owner

I ran an empty brew (no coffee, just water) — the stream from the brew arm is not consistent; is it supposed to pulse on and off throughout the entirety of the brew? Also, the water that was “brewed” had a yellowish hue…I’ve never had coffee in this machine and bought it new. Thoughts?

u/MegLikesPizza — 4 days ago

New Moccamaster Arrived but quality seems to be lacking.

I just purchased the KBGV and it arrived today. Upon opening, the heating plate had two large chunks missing of chipped paint. Overall, the pieces seem to feel flimsy and as if they won’t last long. The glass on the pot also seems very thin and breakable.

I bought it during the recent prime day sale and am wondering if this is normal or there are cheaper variations out there. Has anyone had a similar experience?

I need to return this item as the heating plate is chipped but am not sure if I should exchange or return and move on to something else.

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u/taranslow — 5 days ago

What does descaling actually change? I measured my Moccamaster before, after, and when it was new

We have all heard the standard advice that you should descale your Moccamaster every 100 brew cycles. With my other coffee equipment, I've been horrible to follow the factory de-scaling suggestions, but I realized I did not actually know what scale was doing to the brewing process before it became a serious, machine ruining problem.

Was the machine heating more slowly? Was it moving less water? Was the flow becoming less consistent? And how quickly would any of that become noticeable?

So, with a Moccamaster KBGV that hadn't been de-scaled after 6 months of daily use, I decided to devise an experiment.

Temperature would probably be the most interesting thing to measure, but it is also harder to test properly. Flow rate, on the other hand, was something I could measure fairly reliably using the exported weight data from a Bookoo scale. So before descaling my machine, I recorded how quickly it delivered water, then repeated the test immediately after descaling.

I expected the second run to be noticeably faster.

It wasn’t.

The average water-delivery rates from the trendlines were:

  • Before descaling: 4.16 g/s
  • After descaling: 3.91 g/s
  • When the machine was new: 3.88 g/s

https://preview.redd.it/de2twbwajhah1.png?width=1090&format=png&auto=webp&s=4e77c664c1b28951d2c331bc61ceebea2b372379

https://preview.redd.it/7uyx9dwbjhah1.png?width=973&format=png&auto=webp&s=e46643a135fad9dbade4348d5c104b52784939d6

https://preview.redd.it/kzg05tadjhah1.png?width=944&format=png&auto=webp&s=831744a7e6aade98e19e93dbcd67e33f3c060766

At first, that seemed completely backwards. The machine was technically moving water faster before I descaled it.

But then I realized I had introduced another variable that may matter more than the scale buildup itself. The machine was warmer during the pre-descaling test because it had been used more recently. The post-descaling test, and especially the original test from when I first got the machine, began from a colder state.

That makes the comparison less clean, but also more interesting. In normal use, things like how recently the machine ran and how warm its internal components already are may have a larger short-term effect on water delivery than moderate scale buildup.

The other surprising part is how closely the post-descaling result matches the recording from when the machine was new. After years of use, the machine is still delivering water at almost exactly the same average rate as it did out of the box.

That does not mean descaling is pointless. Scale can still affect heating, temperature stability, reliability, and eventually the amount of water reaching the basket. I also did not measure temperature here, so this experiment only tells us about one part of the brewing process.

My takeaway is narrower: based on flow rate alone, it may take quite a lot of buildup before scale creates an obvious change in how quickly a Moccamaster delivers water. Small differences between brews may have more to do with the starting temperature of the machine than whether you are slightly overdue for a descale.

The grey flow-rate points are fairly noisy because they are calculated over short measurement intervals, so I would focus more on the cumulative water-delivery line and its overall slope.

EDIT 1: Disregard the instantaneous flow rates from the "From Factory" test, looks like something funky happened with these data points (probably a result of inconsistent sampling frequencies)

EDIT 2: My location has very soft water at 0.3 gpg or 8-12 mg/L, you're mileage will vary.

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u/tonkaty — 5 days ago

Is this sound normal while cleaning the machine?

This is my first experience with a Moccamaster, and am cleaning a pre owned one. Is this just caused by air bubbles from the cleaning solution?

u/AlltimeReps — 5 days ago

Busco un molinillo que haga match

Quiero regalarle una mocca máster a mi padre, pero quisiera saber qué molinillo es perfecto y hace buen match para la mocca, mi padre no quiere complicaciones prefiero que sea de tolva , que solo le implique moler y listo no de dosis única ni nada de eso

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u/Jotaeefece — 6 days ago

How often should I descale-Moccamaster Select

I live is a really hard water area (uk). With my old cheap and cheerful Russell hobs drip thingy, it had a warning light telling me to descale.
We used descale tablets and ran it through once and then rinsed it through about three times.
Would this still work or am I better using a different product?
Also any tips on how often?

thanks

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u/RelationKindly — 6 days ago

Suggestions for cleaning new machine out of the box?

Thoughts id ask all you professionals. My moccamaster is coming today I hope. Delayed from Amazon…. Before brewing my first cup of coffeee. How do you all suggest cleaning (or Is descaling the proper term?) my first few brews to get any factory must or what not off it.

Pumped for this brewer. Have the ratio 6 but the stainless steel carafe is a joke. Barely keeps it warm

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u/LothbrokRagnar77 — 6 days ago

Need help with overflowing

I’ve had my KBT for a few weeks now and regardless of the issue I’m having with it, it makes the best coffee I’ve had.

First things first, my setup.

KBT with moccamaster brand filters folded so that the flap doesn’t cover the drain hole at the bottom of the filter holder. I rinse with warm/hot water first. Selector is set to fully open. I fill with filtered water to 10 cup mark.

I have a kitchenaid burr grinder that I’ve tried from 45 (middle of drip setting, kind of a medium fine) all the way to 10 (French press, more coarse) and I have seen other people with the moccamaster and same grinder as me use it on 25 (perc, medium coarse). On all of these settings it looks like it’s grinding at a good size and isn’t making too many fine bits that would clog. I use a scale and weigh my coffee to 69g for 10 cups as recommended. I have tried 5 different bags of beans now, all with various settings.

As a test I have ran the moccamaster with just a filter and no grounds in it. It does not come close to overflowing and flows freely.

Every time I have tried to make 10 cups of coffee using these different methods it wants to overflow over the top of the filter because it’s not draining through quick enough. When my parents were over and made coffee every time there would be coffee grounds in the carafe from this. When I make coffee I have to turn the moccamaster off once it gets to the top with water to let it drain for 45 seconds and then I can turn it back on to finish. It consistently makes tasty coffee and I read that overflowing like this is usually caused by not grinding coarse enough.

I don’t know what I’m doing wrong. If I make 6 cups of coffee I don’t have these issues because it finishes brewing before it can overflow.

u/DowntownWasabi3721 — 9 days ago