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Joined 1 year ago
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Cake day: July 9th, 2023

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  • I’ve ground so fine that the shot will barely drip out a few ml over a whole minute. Dialing back, I get to a place of optimality, time-wise (17g in 35g out in around 30-35 secs). The problem is that I can definitely see channelling, one area will run faster while other areas will run more slowly, leading to over and under extraction (the colour and speed of the flow is very obvious). I’m using a mignon and I’ve checked that the burrs are perfectly level, I don’t have the large adjuster wheel though. I get little to no superfines, just a propensity to channel, too often to be acceptable. With the beans aging (and changing every two weeks) I am adjusting the tamp pressure to try to avoid channelling, as it appears that finer grinding is leading to more channelling, to overcome the density of the compacted puck? I will try to minimise any other affecting factors as best I can, and see how I get on. Thanks for all your input guys.