Hi guys,
Bit of background, I've got a Macao m2m (two and a half years old) and a gaggia classic which I've had for about 3 years and is about 15 years old.
I use the same fresh beans every week, with the same technique but suddenly I've noticed on my normal adjustment setting for the m2m I am getting a very clumpy grind that seems to be affecting my extraction times greatly and I'm scratching my head trying to get to the bottom of it.
Usually on my regular setting I grind 18g and this yeilds about 60ml over 25-30 seconds, suddenly now with those same setting nothing happens for about 20 seconds and a really really slow poor that tastes horrible.
I thought maybe the burrs on the m2m need replacing but I've worked out it's only had about 30kg of beans through it in the last 2 and a half years.
Any ideas would be greatly appreciated.
Bit of background, I've got a Macao m2m (two and a half years old) and a gaggia classic which I've had for about 3 years and is about 15 years old.
I use the same fresh beans every week, with the same technique but suddenly I've noticed on my normal adjustment setting for the m2m I am getting a very clumpy grind that seems to be affecting my extraction times greatly and I'm scratching my head trying to get to the bottom of it.
Usually on my regular setting I grind 18g and this yeilds about 60ml over 25-30 seconds, suddenly now with those same setting nothing happens for about 20 seconds and a really really slow poor that tastes horrible.
I thought maybe the burrs on the m2m need replacing but I've worked out it's only had about 30kg of beans through it in the last 2 and a half years.
Any ideas would be greatly appreciated.




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