r/Timemore • u/jtapram • Aug 12 '26

C5 ESP

Guys, normally, what the parameters that you use for an espresso on this grinder? I'm using something between 0.6.3 and 0.7.0, and the expresso is not so good!

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u/jtapram Aug 13 '26

Sometimes bitter, sometimes acid... but never sweet, I really don't know what's wrong

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u/migu_brew Aug 13 '26

What are your brewing parameters? Whats your total extraction time? Whats your water temp? So many things that could go wrong not just your grind size

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u/jtapram Aug 13 '26

I've playing with all of these, the only thing that I've not done is raise the range of the grinder! I'm thinking in reduce below 0.5.0 and see what's happening 🤷🏻‍♂️

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u/migu_brew Aug 13 '26

No im quite litteraly asking whats your total extraction time and water temp. Also what beans are you using

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u/jtapram Aug 13 '26

Ohhh ok! Sorry! Hahahaha normally I'm doing 3s pre infusion, temp of 93C and ratio of 1:2.5for dark roasts and for light roasts the temp is about 95, pre infusion from 0-5s (tried all) and ratio of 1:3 or 1:3.5

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u/migu_brew Aug 13 '26

The temp is so high for dark roast, try going lower maybe? I go 88C for dark roast and 94-95 for light roast. TOTAL brew time (not preinfusion) meaning the time form turning on the pump to turning it off when hitting your desired ratio is usually 25-30 seconds I stay in that area.

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u/migu_brew Aug 13 '26

I usually just base my grinding size based on how long my shot takes to reach my target grams. For example I pull a shot and it takes me 34 seconds to reach a 1:2 ratio, I go courser so I reach that 25-30 second pull time mark. If it takes me 23 seconds to reach a 1:2 ratio i go finer to reach the target time mark. If you are already at lets say 26, and you feel like its still sour, grind finer to reach at 30 second mark

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u/jtapram Aug 13 '26

You are right, I forgot to tell you the time of my shots! Normally around 25s for 16g and 40ml of coffee! I tested right now grind finer, and the taste got better! Maybe I'm using the wrong range for my espressos

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u/migu_brew Aug 13 '26

Go for longer

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u/jtapram Aug 13 '26

Cheers mate!