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Thread: Wet Plugs (Pucks)

  1. #1
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    Wet Plugs (Pucks)

    Gene Cafe Coffee Roaster $850 - Free Beans Free Freight
    Hi Guys I just bought a S/H Nemox Del Opera and I stuck my plastic steam tube off my dead fully automatic and it produces excellent coffee.

    The only thing is that when I knock out the plugs they are wet and sometimes sludgy if you know what I mean.

    What causes this and can I fix it?


  2. #2
    Senior Member Koffee_Kosmo's Avatar
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    Re: Wet Plugs

    Are you referring to the spent coffee called a "puck"

    Try a courser grind
    KK

  3. #3
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    Re: Wet Plugs

    Hi Ardy,

    You could try dosing higher which should give you a dryer puck, but its whats in the cup that counts!

    charlie

  4. #4
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    Re: Wet Plugs

    Hi Ardy,

    the pucks from my Solis come out of the PF like that sometimes as it seems that when I switch over to steam a small bit of water comes out of the shower screen sometimes. As it is not under any real pressure the puck absorbs the water and expands slightly and gets a little sloppy. If I remove the PF straight away then the pucks always come out clean.

    If you are removing the PF straight away and they are sloppy then you have a grind/tamp issue I think.

  5. #5
    Mal Dimal's Avatar
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    Re: Wet Plugs

    Another possibility, is that not all Nemox machines come fitted with a 3-Way Valve to exhaust the pressure from the Group after a pour. This will tend to leave the puck a little wet and sloppy if you remove the Portafilter (PF) after a short delay. Leaving it sit for 30 seconds or so allows the water to drain away or become further absorbed by the coffee granules in the puck.

    How to tell? Well, if your Nemox has a 3-Way Valve you can both hear it and observe it in action. Immediately you turn your brew switch Off, you will hear a diminishing "Chhh" sound as the pressure exhausts through a tube into the Drip Tray and with the Drip Tray Cover removed, you will see a small amount of hot water and possibly steam jetting into the Tray. If there is no 3-Way Valve fitted, then you will observe none of these things and will need to wait until the pressure disperses through the coffee puck before removing the PF.

    Hope that helps mate and Welcome to CoffeeSnobs by the way.... [smiley=thumbsup.gif]

    Mal.

  6. #6
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    Re: Wet Plugs

    Behmor Brazen - $249 - Free Freight
    Thanks to you all that is very useful and I will try all the ideas.

    Mal - I think it has this valve as it makes a shh noise when I turn off the brew switch but I will take the drip tray out and have a look as it doesnt always make that noise.

    We are getting amazing coffee and it is thanks to you lot. I read on here about the advantages of a semi and although mine is quite messy its a small price to pay for as good, or better than cafe, coffee.

    regards to all.

    Ardy



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