I’ve just received my first ever single dosing grinder (mazzer philos), and has thus been doing rdt to avoid retention. But, this just leaves me with a lot of grounds stuck to the side of the dosing cup, voiding the advantages of rdt.

Am I doing something wrong, or is this common

by That_Coffee_guy

16 Comments

  1. I think that is staric-charge and it is normal. some highend grinder have anti static but people said they still get them sometimes

  2. UserNameTaken96Hours

    This might not be due to but rather despite RDT.
    If you want to double check grind a dose without RDT and see how much sticks to the cup walls then.

    You may want to try different amounts of water added to combat static without overly wetting the coffee.

  3. Need a grinder that deposits straight to the portafilter.

  4. Are you spraying the water into this dosing container? If so, that will indeed cause grinds to stick when they come back out. Put the beans in a different cup/bowl, spray rdt, then pour into grinder.

  5. Badevilbunny

    Do you need to RDT?

    Try without and see if you do need it?

    (I remain an RDT sceptic).

  6. Badevilbunny

    Do you need to RDT?

    Try without and see if you do need it?

    (I remain an RDT sceptic).

  7. Badevilbunny

    By the way, just to answer the question in your post – you are not doing anything wrong. Carry on.

  8. Badevilbunny

    By the way, just to answer the question in your post – you are not doing anything wrong. Carry on.

  9. CalmingTiger

    I’ve found that if you use a WDT tool and give the grounds a good stir while pressing against the wall of the dosing cup, there won’t be any left over grounds when you transfer it to your portafilter.

  10. carpenter_eddy

    Are you misting the beans with water in this cup too? If so dry with a cloth before you put the grounds in

  11. whiskey_piker

    On the list of things to worry about, this is not on it.

  12. brietsantelope

    They give you that twisty thing so you don’t have to do RDT.

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