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  1. #1
    Junior Member
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    Oct 2019
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    Help Please: I need a bottomless portafilter for a Breville 870

    I have a breville 870. Where could I get a bottomless portafilter without breaking the bank?

    Need to know what size and type/brand to get.

    Saw some ppl using a grinding saw and hacking it but not sure if I wanna do that.

    Saw some on AliExpress but not sure if those would fit.

  2. #2
    Junior Member
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    Mar 2020
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    East Coast USA
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    They won’t be cheap as no one produces 53mm bottomless portafilters. I ordered mine custom from a company located in Australia called “Pullmans Espresso Accessories”. They did a fantastic job. This is the most expensive way to go about it but your options aren’t plentiful. If you don’t want to go with this route you are stuck with buying a 53mm portafilter from Breville and drilling the bottom out yourself. Whatever you chose good luck!

  3. #3
    Junior Member
    Join Date
    Oct 2019
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    29
    Yea I searched around. The easiest would be to get a $11 Bi-metal hole saw and drill through my existing portafilter. Replacement one from Breville is $60 is worse case.

    However at this point Iím already setting the grind to 1 and using a palm tamp, the water is still coming out fast. What gives?

  4. #4
    Junior Member
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    Mar 2020
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    East Coast USA
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    You mean your shots are too fast right? You could try up-dosing, tamping harder or buying a new grinder and grinding finer.

  5. #5
    Junior Member
    Join Date
    Oct 2019
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    29

    Help Please: I need a bottomless portafilter for a Breville 870

    Quote Originally Posted by TangyWasabi View Post
    You mean your shots are too fast right? You could try up-dosing, tamping harder or buying a new grinder and grinding finer.
    Yup... Iím currently using 18g bean at #1 setting and getting 18g out. Then manual program the shot to output 36-38g (hard to get it exactly 36g) of espresso.

    Here it is
    https://youtu.be/n8rAaKSYJeI
    Last edited by czcusco; 03-29-2020 at 09:57 PM.

  6. #6
    Junior Member
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    Mar 2020
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    East Coast USA
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    I just got a video in my feed today about a new 54mm bottomless portafilter, it’s on Amazon and comes with a wooden handle, I can’t post the link until I’ve posted 5 times so I’ll link it in my next post.

  7. #7

  8. #8
    Senior Member
    Join Date
    May 2014
    Location
    Kansas City
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    1,297
    I would recommend updosing to 20g before worrying about a new portafilter. Either your grind is not fine enough or for that coffee 18g is not enough. I bottomless is simply going to add one more variable that will make it potentially more difficult.

  9. #9
    Junior Member
    Join Date
    Oct 2019
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    29
    Quote Originally Posted by Musicphan View Post
    I would recommend updosing to 20g before worrying about a new portafilter. Either your grind is not fine enough or for that coffee 18g is not enough. I bottomless is simply going to add one more variable that will make it potentially more difficult.
    Thx... if I go 20, I take it yield should be 40g out right?


    Sent from my iPad using Tapatalk

  10. #10
    Senior Member
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    May 2014
    Location
    Kansas City
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    1,297
    Quote Originally Posted by czcusco View Post
    Thx... if I go 20, I take it yield should be 40g out right?


    Sent from my iPad using Tapatalk
    Yes.. but adjust by your taste... my personal opinion is use ratios to dial in your coffee then adjust per your tastebuds.

 

 
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