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Thread: Same grind no. for both single and double baskets?

  1. #1
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    Same grind no. for both single and double baskets?

    Gene Cafe Coffee Roaster $850 - Free Beans Free Freight
    Our office coffee machine is a 2 head Elektra HX machine coupled with a Mini Mazzer E.

    We are having problems calibrating the grind setting on the Mazzer to produce reasonable quality shots from both the single and double filter baskets. If the grinder is adjusted to make a 25-30 sec shot with the double, then the single basket shots ends up choking and conversely grinder setting calibrated for the single make the double shots way too fast. So we keep the grinder calibrated for the double as there are 2 PFs with the double baskets and they are used more often.

    Up-dosing the double does help a bit but not enough and often leads to too much coffee and the PF wont engage properly or else it "blows".

    Is this normal?

    Are there any clever tricks for getting good shots from both baskets without adjusting the grind setting?

    Is it possible to buy 3rd party baskets which are better matched?

    Cheers

    DH

  2. #2
    TC
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    Re: Same grind no. for both single and double bask

    Suggest that you calibrate your grinder for the double then:

    Updose (benchtap or dose and collapse) and wipe off the basket with the side of your finger or an edge to create a perfectly full and level basket. Tamp and proceed on your shot...

    With a single, not much changes other than I use the base of a finger to slightly decrease the dose...i.e. I create a small depression in the the coffee before I tamp...

    This should get you closer to a suitable compromise ;)

    2mcm

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    Re: Same grind no. for both single and double bask

    I think as 2cmc said its a matter of trial and error- to the extent that a lot of people would say dispense with the single portafilter and always use the double- just put a cup under one spout. The amount of coffee wasted is minimal.
    Personally I found that searching for a larger single basket was helpful.
    Brett

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    Re: Same grind no. for both single and double bask

    Quote Originally Posted by telemaster link=1157517296/0#2 date=1157522519
    I think as 2mcm said its a matter of trial and error- to the extent that a lot of people would say dispense with the single portafilter and always use the double- just put a cup under one spout. The amount of coffee wasted is minimal.
    Personally I found that searching for a larger single basket was helpful.
    Brett
    NOOOOO! Dont chuck the single!

    There are subtle differences in 1/2 a double v a single...They do need different techniques though. The more that I experiment, the more I like an espresso pulled from a single...

    Its worth persisting!

    2mcm

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    Re: Same grind no. for both single and double bask

    For about a year the single basket has been solely a repository for loose odds and ends. Then one day recently I decided to give it a go and viola! I got a brilliant shot. Then again and again... Now the single basket is back in the fold. The shots are different but I seem to prefer them to one made with a double. Theyre not as rich but seem to be much sweeter.

    For that matter I put an old double basket back into service recently and found the shots improved dramatically with virtually no channelling. Filter baskets can really make a difference. Its worth experimenting.

    Cheers,

    Mark.

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    Re: Same grind no. for both single and double bask

    Interestingly I find the single good to use- my favourite is an 8g basket I got from a coffee service place. Its quite a bit deeper than the tiny one which came with my ECM ( I think that would have to be about 6g- anyway it was smaller than the Isomac 7g single at work and substantially smaller than the 8g one). The larger basket seems to give a richer, fuller flavour rather than stronger.
    Im aware that all of the sizes Ive listed are pretty academic! I think you probably get into some sort of intuitive thing to compensate for the different pour rates of the various baskets because they all seem to work ok- and having a tamper that goes right to the edge of the basket seems to make a big difference.
    Sorry if this is a bit higgledy piggledy- blame the wet weather- my brain must be hydrophylic like my coffee!
    Brett

  7. #7
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    Re: Same grind no. for both single and double bask

    Thanks for all the tips. After more experimentation we are now getting much closer to decent shots with both baskets.

    I think dosing was the issue and with our S/S tamper it was hard to tell if the basket had enough coffee as the tamper would stop when it hit the bezelled part of the filter. As a result we were not adding enough coffee to the either basket. Once both baskets were getting the right dose we re-calibrated the grind again to much improved results.

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    Re: Same grind no. for both single and double bask

    Behmor Brazen - $249 - Free Freight
    Quote Originally Posted by dischucker link=1157517296/0#6 date=1157612416
    Thanks for all the tips. After more experimentation we are now getting much closer to decent shots with both baskets.

    I think dosing was the issue and with our S/S tamper it was hard to tell if the basket had enough coffee as the tamper would stop when it hit the bezelled part of the filter. As a result we were not adding enough coffee to the either basket. Once both baskets were getting the right dose we re-calibrated the grind again to much improved results.
    re the bezelled part of the filter- it sounds like serious under dosing if thats where you were connecting with the tamper- thats why 2mcm suggested filling, collapsing by tapping on the bench and then leveling off excess before tamping. Apart from considerations of how low or high the shower screen sits (youll know it is low if you cant get a filled, tamped filter handle in place), if you standardise on an amount you can then experiment with one notch either way with your grinder.
    Sounds like you are on the right track.
    All the best
    Brett



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