Today’s Coffee: 11th March 2024

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Beans: Redemption Rubén Ortega

Adjustments

  • Grind size: 1Zpresso QS @ 57 (42.75mm)
  • Water to bean Ratio: 16.0:1 (272g)
  • Bloom Stage Weighting: 45%
  • Bloom Pours: 3

Comments:

  • New coffee brewing week oh boy oh boy oh boy
  • Beans are light, but marginally darker than the Campbell & Syme. No trace of any oil.
  • They smell like jelly beans with almost a hint of mint. Something floral and tangy in there for sure.
  • So I’m going for pulsed bloom pours to capture a little of that tang but weighting more towards the sweetness as we progress.
  • The fourth adds the body while hopefully being early enough to still pull out the sweetness and the fifth, much smaller pour, is to add just a hint of the bitterness back in at the end
  • God damn I just read this back I am at the deep end watch as I dive in
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Today’s Coffee: 10th March 2024

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Beans: Campbell & Syme Carlos Arcila

Adjustments

  • Water to bean Ratio: 17.0:1 (289g)
  • Bloom Stage Weighting: 48%
  • “Bloom” Pours: 3

Method: Experiment 10-03-24 (Slow Feed)

  • 1st Pour (42.0g in 10s):
  • 1 Light Swirl
  • Wait 20s
  • 2nd Pour (56.0g in 10s):
  • Wait 20s
  • 3rd Pour (42.0g in 10s):
  • Wait 40s
  • 4th Pour (150.0g in 20s):
  • 1 Light Swirl
  • Bed Clear: 3

(Target weight and time in parenthesis)

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Today’s Coffee: 9th March 2024

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Beans: Origin Butembo

Adjustments

  • Coffee weight: 17g
  • Grind size: 1Zpresso QS @ 69 (51.75mm)
  • Water to bean Ratio: 17.0:1 (289g)
  • Bloom to strength ratio: 45:55

Method: Experiment 09-03-24 (Slow Feed)

  • 1st Pour 52.0g in 10s
  • 1 Light Swirl
  • Wait 30s
  • 2nd Pour 39.0g in 10s
  • Wait 20s
  • 3rd Pour 39.0g in 10s
  • Wait 20s
  • 4th Pour 159.0g in 10s
  • 1 Light Swirl
  • Bed Clear: 02:15(!!)
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Experiment D-RO-248-1

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Goal

Determine preparation and taste tone differentials between fresh ground and pre-ground coffee.

Variables

  • Beans: Redemption Rubén Ortega
  • Grind size: 1Zpresso QS @ 60 (45.0mm)
  • Water to bean Ratio: 17.0:1 (255g)
  • Sweet to Acidity Ratio: 62:38
  • Pour 3 water: 76.5g
  • Pour 4 water: 76.5g
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Today’s Coffee: 6th March 2024

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Beans: Redemption Rubén Ortega

Adjustments

  • Coffee weight: 15g (pre-grind weight)
  • Water to bean Ratio: 17.3:1 (260g)
  • Sweet to Acidity Ratio: 65:35
  • Pour 3 water: 78g
  • Pour 4 water: 78g

Method: Tetsu Acidic and Medium

Target weight and time in parenthesis)

  • 1st Pour (68g in 10s): Bang on
  • 3 medium swirls
  • Wait 45s
  • 2nd Pour (36g in 10s): Easy one
  • Wait 60s
  • 3rd Pour (78g in 10s): Nailed it
  • Wait 30s
  • 4th Pour (78g in 10s): On fire this morning I tell ya
  • 1 light swirl
  • ​Lifted off​: 4:30
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Today’s Coffee: 5th March 2024

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Beans: Redemption Rubén Ortega

Adjustments

  • Coffee Weight: 16g (pre-grind weight). Bonus accidental gram.
  • Grind size: 1Zpresso QS @ 2.0 (4.5mm)
  • Acidity Ratio: 60:36
  • Third pour water: 78g
  • Fourth pour water: 78g

Method: Tetsu, Sweet and Light

Target weight and time in parenthesis

  • First (60g in 10s): 3g over and 4s late it really is a slow start today.
  • 2 light swirls
  • Wait 35s
  • Second (36g in 10s): Bang on but again not hard given the numbers here.
  • Wait 35s
  • Third (78g in 10s): 4g over 2s late what am I like??
  • Wait 35s
  • ​Fourth​ (78g in 10s)​:​ 3g over good grief just can’t catch a break
  • One light swirls to settle the bed
  • Bed ​Clear:​ 3:30
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Today’s Coffee: 4th March 2024

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Beans: Redemption Rubén Ortega

Adjustments

  • Ratio: 70:30
  • Third pour water: 150g

Method: Tetsu, Acidic and Light (variation)

Target weight and time in parenthesis

  • First (70g in 10s): 75g in 8s. Oops.
  • 3 big swirls over 5s
  • Wait 30s
  • Second (30g in 10s): Spot on. Hardly a challenge, though.
  • Wait 35s
  • Third (150g in 20s): 5g over because I’m thirsty
  • Bed ​Clear:​ 4:00(!!)
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