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  • Tips for Bezzera BZ99

    Hi Everyone,

    Been looking at this site for about a month now and information has been very useful.

    I used to own a Gaggia Evolution which is now leaking from every outlet possible, and a Delonghi KG100/Solis grinder. This suited me fine for about 2 years and was a good set up to learn on.

    Today, Ive upgraded to what I hope is a better machine and grinder in Bezzera BZ99 and a Rocky grinder. I was surprised that Rocky was capable of choking the bz99 at setting 9-12, and needed to be at around 15-18 to get correct extraction. Is this normal? I also noticed that my gaggia filter basket passes water more freely then the bezzera filter basket. Which would be better to use? I find the steamer on the Bezzera often boils the milk before I can get a nice foam happening. I think I need to turn it down a notch.

    Does anyone own this machine/grinder and have any tips/tricks they use to get the most out of it?


    Cheers!

  • #2
    Re: Tips for Bezzera BZ99

    "..........Today, Ive upgraded to.......Bezzera BZ99 and a Rocky grinder. I was surprised that Rocky was capable of choking the bz99 at setting 9-12, and needed to be at around 15-18 to get correct extraction. Is this normal?........"

    You find the correct setting for the type of blend VS grinder VS machine. The numbering *scale* in any grinder is arbitrary..it doesnt mean anything...having written this however, most grinders have their "scale" set in the factory so that zero, is where the plates basically rub together. After that, its anyones guess, and whatever number you end up on for your application is...whatever it is.

    We generally find that a setting of *around* 15ish on a rocky, is about right for commercial *style* pump driven esp machines...so you are about in the right ball park.

    ".........I also noticed that my gaggia filter basket passes water more freely then the bezzera filter basket. Which would be better to use?

    You have moved to the BZ99. Therefore use the filters it came with OR, use generic commercial type replacement filters suitable for the machine.  OR, it may be the BZ99 came equipped with the *smaller* Italian type filters intended for use with ristretto type coffees...they might be  smaller than those provided with the gaggia even though it is only a domestic machine, but intended for this market where people drink bigger coffees!  This actually would result in the reverse of what you have apparently observed ( the bigger filter should flow slower). In any case the filters between these 2 machines are basically interchangeable so I would use the bigger of the two types, and dont worry about the different flow rates you appear to have observed. Simply adjust your technique /grind to use the filter of your choice to get the desired flow rate with the BZ99.

    ".........I find the steamer on the Bezzera often boils the milk before I can get a nice foam happening. I think I need to turn it down a notch..."

    The steamer does not *boil* the milk. The operator does!  ;D This is normal given you have just moved from a machine with tiny capacity to a semi commercial type of much bigger capacity, and you will have to adjust your technique accordingly!   Others Im sure will come in with helpful hints on technique however in order to save a lot of duplication it may be as well to mention this has been very well covered already in the "milk froth and bubbles" section above in the last couple of days, see the link:
    http://coffeesnobs.com.au/YaBB.pl?num=1146358431/5#5

    Hope that helps.

    The Bz99 is a nice little machine. Learn how to get best advantage from it and..............enjoy.

    Cheers,
    FC.

    Comment


    • #3
      Re: Tips for Bezzera BZ99

      If your machine has the 4 hole steam tip, you will have more luck with an aftermarket 2 hole tip. Coffeeparts (a site sponsor) now sells a replacement 2 hole tip that is purportedly excellent. I have tried a range of 2 hole tips and find that they slow the steaming down significantly, giving you time to stretch the milk. It is possible to use the 4 hole tip, but its harder as its so quick. The new Bezerras are now shipping with a 3 hole tip. Ive no idea how well that performs.

      BTW professional baristas have no problem working with 4 hole tips, so its really a case of practice makes perfect.

      The quick way to check if fewer holes will make a difference is to block one or two holes with toothpicks and see how you go. If this works, then think about a new tip.

      Cheers,

      Mark.

      Comment


      • #4
        Re: Tips for Bezzera BZ99

        Thanks for all the tips guys.

        Yesterday, I went through about 1kg of freshly roasted beans But I think I have got the gist of the grind and amount required to pull a nice shot.

        Thing I like the most about the bz99 is the fact that I can pull shot after shot without cold or burnt shots. And provided the grind is correct, I can pull very consistent shots.

        Thing I still hate about it is the steamer. I suppose I need to practice alot more but most of the time I only make enought milk for one person and it seems that the milk gets to boiling temp in less than 20sec Ill look for the 2 hole steamer and see how that goes.

        Comment


        • #5
          Re: Tips for Bezzera BZ99

          As previously mentioned, try blocking off holes in the steam tip with toothpicks. I blocked off 2 out of 4 holes and the improvement is amazing. I pushed them in firmly from the bottom & cut them off flush with the edge. Ill be installing a new coffeeparts.com 2 hole tip this week. Apparently they work great.

          Evan.

          Comment


          • #6
            Re: Tips for Bezzera BZ99

            Gday Coffee OD,
            you might like to practice your milk steaming using water in the jug instead of milk, until you get the hang of the increased steaming power of the BZ.
            You can see how to get the whirlpool happening in the jug, and you can experiment with different volumes and jug sizes, without wasting heaps of milk.
            Water, of course, doesnt behave quite like milk in that it wont stretch, but it will give you a better grasp of the mechanics behind the process.
            Hope this helps.

            Comment


            • #7
              I have a similar problem on Bezzera B2009 Compact.[IMG][/IMG]
              Although I get bubbles AFTER I pour milk into coffee.I get them about 30 seconds after. I suspect it could be a scale buildup.....Any thoughts?

              Comment


              • #8
                I have been having the same issue with my BZ99s. I presume it is my technique needing work.

                Comment


                • #9
                  Add a drop of dishwashing liquid to your jug of water and you will get a nice foamy milk replica! Great way to practice as you can see if you are producing microfoam or big bubbles
                  Another thing that may be causing your post pour bubbles is if the beans are super fresh from roasting - the actual shot may be gassy? Just a thought
                  Originally posted by Lovey View Post
                  Gday Coffee OD,
                  you might like to practice your milk steaming using water in the jug instead of milk, until you get the hang of the increased steaming power of the BZ.
                  You can see how to get the whirlpool happening in the jug, and you can experiment with different volumes and jug sizes, without wasting heaps of milk.
                  Water, of course, doesnt behave quite like milk in that it wont stretch, but it will give you a better grasp of the mechanics behind the process.
                  Hope this helps.

                  Comment


                  • #10
                    Beanatic - you might be right. My shot is kind of bubbly when it settles into a cup. What might be a good time frame to wait before using freshly roasted beans?

                    Comment

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