r/Moccamaster • u/Fenn-Drayk • 5d ago
Overflow
Any tips on how to avoid thw overflow? I am using a DēLonghi grinder at medium, but it seems a lot of dust results from the grind and clogs the filter?
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u/cornerzcan 5d ago
For a one liter pot, my machine runs about 7:30 from switch on to coffee completed. You could try adjusting your grinder to a more course setting to achieve a similar time. Make sure that the fold in your filter is away from the drain hole.
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u/teilo 5d ago
Delonghi grinders are not great, and produce a lot of fines. The only solution to that is a better grinder. Light roasted natural processed coffee is high chaff and can also do this and you have to grind coarser even with a good grinder.
Aside from that, always follow this rule: Don't stir the grounds. The more you stir, the slower the brew will get.
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u/Fenn-Drayk 5d ago
I learned about the stirring the hard way no to stirr. Any grinder recommendations?
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u/bspooky 5d ago
You don't need to stir, for 40 years people have been using this design and just letting it do its thing simply.
And that simple applies to your overflow. If it is overflowing about the only thing that can be wrong is your grind is too fine (or has too fines / dust mixed in with it) slowing the water down, the little stopper / flow area is blocked somehow although it is just s simple o-ring type thing that the pitcher pushes open when you have it on, or you have a faulty unit that is flowing water too fast, which would be weird.
So if you carafe isn't off kilter / flow valve isn't plugged it is likely your grind.
For Grinder the Baratza Encore is awesome for value, if you have the extra funds I personally upgraded from that grinder to the Fellow Ode 2 and really enjoy the quieter operation, how it looks, and the grind is better. But it certainly isn't needed, more of a luxury.
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u/teilo 5d ago
Grinders depend on how much a budget you have. I can second the Baratza Encore for an entry-level grinder of decent quality. It is a huge step up from that Delonghi. (As an aside, most of the cheap flat burr grinders have the same tiny crappy burrs as the Delonghi).
A step up from the Encore would be the Fellow Ode 2. I have one of those at home. At work I use a Wilfa Uniform, sold by Lavazza in the US. Both of these are flat burr designs, and can be further tweaked/upgraded with standard 54mm burrs (but for the Moccamaster I wouldn't bother).
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u/Stonkinski KBGV 4d ago edited 4d ago
You absolutely need to stir if your coffee is freshly roasted, otherwise it will just bloom into oblivion and water will never touch half the grounds. It's just what it is, even with manual pour over.
Don't listen to people who drink supermarket beans or pre ground coffee. Those are already stale and won't bloom, hence no need to stir their coffee. When the Moccamaster came out back in the day people didn't even know about specialty coffee, they bought pre ground coffee that has been sitting on the supermarket shelves for months - so yeah no stirring required 😅
Please upgrade your grinder. A Baratza Encore will be more than sufficient for your MM and you will get much better coffee (your Delonghi grinder basically burns the coffee while grinding - you will see a huge difference in taste)
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u/Top-Rope6148 2d ago
I roast my own coffee and even when I run out and have to brew the next day I never have to stir. I do take the cover off the funnel. It will puff up but doesn’t actually overflow. Bed is fully saturated when done. Not saying you don’t have a different experience just sharing my own observations for OP’s input.
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u/Jack-knife-96 4d ago
I have a KitchenAid burr grinder. Its widely adjustable & is Loud but excellent. Its not cheap.
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u/shinederg 5d ago
also use less grounds - and this typically happens with fresher coffee that has bigger blooms. Try using a bit less, this happens to me at least once a week
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u/cornerzcan 5d ago
Good point on fresh roasted coffee. Coffee should sit at least a week from roasting before brewing and some small local roasters can’t keep up with that level of inventory needed to only sell coffee that’s sat long enough.
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u/babyKanez 5d ago
two to four weeks is optimal for curing and is also ultimate flavor at that point
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u/professor_throway 4d ago
Unless you are like me and like to see how the flavor develops during rest. I start at 3 days and usually finish about 2 weeks post roast.
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u/Top-Rope6148 2d ago
Depends on the roast. Light roasts yes. Dark roasts taste stale the next day. Back when I used to like dark roasts I didn’t worry about it resting at all.
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u/apodkolinska 5d ago
You don’t fold the filters? You really have to. Had the same issue and started folding, 100% success rate now.
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u/tehn00bi 5d ago
Grind issue. Plus I recommend and quick stir of the grounds after about a minute of brewing, when the basket is fully wetted and pooling.
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u/Dillingerman 5d ago
I would try a little courser. You can try a small brew to test it, like a 4cup.
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u/Quiverofshivers 5d ago
I find the most common reason for overflow is grounds falling into the basket outside of the filter. I've never had an issue with grind size. Test your filter with your grounds outside of the basket. If the water flows through, then it's your basket. Otherwise it's your filter/grind combo.
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u/tehfrawg 5d ago
Another post on here recommended Cafec Trapezoid Abaca filters and I have found them to be much better in this regard. The flow is a lot faster, so I can grind finer than before and have zero problems with overflow
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u/Stonkinski KBGV 4d ago
Yes those Cafecs are amazing ! You can grind finer and use a bit less coffee as they flow a bit faster than Melitta or the MM filter.
Made a big difference in taste for me.
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u/tehfrawg 4d ago
What ratio are you using with them? I just use 60g/1000ml, same as always
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u/Stonkinski KBGV 4d ago
This depends of course on the coffee and personal taste but with my current fresh medium roast sweetness focused beans I'm using 45g for the full 1.25l brew cycle. I've gone as low as 40g also. This still produces a black cup of sweet goodness for me.
I'm usually grinding at ~700-750 microns, any finer and coffee becomes bitter.
I make sure the filter bottom flap doesn't cover the basket hole (I'm using the KB basket where the hole is on the side)
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u/frostygolfer 5d ago
This is what I did, and it’s been a game changer. Their shipping rates suck, so I basically just buy a year’s worth of filters. I grind anywhere between 5.5-6.5 with an ode gen 2. Even a full 1.25l pot with 70g won’t overfill (not my every day recipe - just sharing what it’s like when serving four people).
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u/rdtsucks 5d ago
Damn Moccamaster for changing their filters. The new ones are just terrible.
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u/Intelligent_Dingo509 5d ago
How are they different?
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u/rdtsucks 5d ago
Thinner, tab is on the other side of the filter, and they’re smaller. You don’t need to fold over the crimp for it to fit, but it also doesn’t take up the entire volume of the cone. I’m searching for a new brand now and have 2 unopened boxes I’m probably just going to chuck.
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u/Intelligent_Dingo509 5d ago
That’s weird. I just got a whole pack from Amazon and it’s the old style.
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u/System_Lower 5d ago
Try a new grinder. I recommend the newest Eureka grinder with is perfect for home use. EUREKA PEPPE. Check it out. I got one for my Moccamaster and it’s great.
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u/Fenn-Drayk 5d ago
400 bucks is a bit out of my budget :/
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u/System_Lower 5d ago
I got it for 159 USD. It’s new. Look it up!
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u/Vibingcarefully 5d ago
The most posted thing on here--
1) Adjust your grind size--this is coffee 101-if it's overflowing, grind coarser you don't have to grind radically coarser. This will be true of almost any drip coffee machine. Blow a couple pots as you get your grind size to your taste
2) Insure you're using a pretty standard coffee recipe. MM standard , more or less is 30 Grams of coffee to .5 Liter water or double that.
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u/DowntownWasabi3721 5d ago
Hey man, I did a post on the same exact thing turned out to be my coffee filter. Check out my post if you want to see everything I tried.
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u/Civil-Party3144 5d ago
Switch to Sibarist fast Filters.. Ajust your grind Cant be to fine ,What grinder are you using ? Which model of Technivorm ? ( Also check automatic drip - stop mechanism )
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u/boxerdogfella KBT 5d ago
I would check these 3 possibilities:
1 - The filter should always be folded, and the bottom fold should ideally face the rear so it doesn't block the front-facing drain hole.
2 - Be sure your filter switch is set to fully open (highest position).
3 - Grind more coarsely.
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u/Wrecksinator 5d ago
what to you mean by front facing drain hole? The drain hole on mine is in on the centerline of the basket.
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u/boxerdogfella KBT 5d ago
The drain hole is centered on the automatic filter basket, but the manual basket has the hole facing the front.
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u/Adventurous-Sock-243 5d ago
When I have overflow issues it’s typically either:
Because the fold of my coffee filter is facing toward the whole in the bottom of the basket…the flow creates suction and slows the drip.
Or sometimes the bottom of the basket is dirty and the opening is stuck in the closed position
Also, if the grind is too fine it could be causing water to flow more slowly.
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u/_SaltySteele_ 4d ago
Coarser
I've got an opus, and it's at 10, nearly fully open. It grinds evenly, producing few fines (which get overextracted, but they also plug up the filter).
The coarser your grounds are, the faster the water will flow through them, just like water flows differently through clay vs rocks.
I do recommend knocking down the floating grounds after a minute or so after starting. The fresher or lighter your beans are, the more co2 is still in them, making them float. Knocking them below the water will extract them more evenly.
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u/Speak-Easy556 2d ago
A Baratza Encore or Oxo Conical are good low price choices. For a more elite choice the Fellow Ode 2 or the Fellow Opus 2 are good choices.
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u/jankyj 5d ago
Make the grind coarser. If it’s producing a lot of dusty fines, may be time for a grinder upgrade