Clever dripper (or a pure immersion brewer) with multiple pours to increase extraction?

Clever dripper (or a pure immersion brewer) with multiple pours to increase extraction?

Clever dripper (or a pure immersion brewer) with multiple pours to increase extraction?

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Clever dripper (or a pure immersion brewer) with multiple pours to increase extraction?

Clever dripper (or a pure immersion brewer) with multiple pours to increase extraction?

minimum dose size?

I use the Hario switch to brew my coffee and am trying to reduce my caffeine consumption. Hence I would like to brew smaller cups of coffee. I am currently using 10g of coffee with 160g of water. (1:16 Ratio) I am wondering if there is a minimum amount of coffee...

Clever dripper (or a pure immersion brewer) with multiple pours to increase extraction?

Has anyone tried using a clever dripper (or French press) but splitting their brew water into 3 or 4 parts and adding them independently? So, add all the coffee then the first part of your water then drain, then add the second part of your water then drain, etc. waiting (a few min?) at each point before draining?

Would this method increase extraction? I will be testing it for flavor but I don’t have a refractometer so I can’t test that.

I got my inspiration from gongfu style tea brewing. Multiple people in that community claim that the taste of stacked tea infusions is superior to the taste of one single extraction using more water.

Update Edit:

I tried it. I did a traditional clever dripper brew with 440g of water and 30g of a light roasted coffee and a stacked brew with the same amount of coffee and water.

For the first brew, I steeped 30 g of coffee in 110g of boiling water (tds: 100, third wave water-classic profile) 4 times, waiting almost 2 minutes for each immersion. For the first pour, I poured the water first and the grounds in after. For every consequent pour I had to add the water to the already pre-wet grounds. Draw down time was actually not bad. All together, this took 9 minutes. I steeped each infusion for ~1min and 40 seconds before draining. Didn’t time the drawdown times but it seemed fairly quick.

I also made a traditional clever dripper brew with 30g of coffee and 440g of water, waiting 8 min before draining.

The resulting coffees were very different. My husband and I evaluated them on a blind taste test (we do this by labeling the bottom of 3 identical cups, make sure the temp of coffee is the same in all 3 cups, then identify the 2 that are the same and the one that is different. Then decide which we like best). I set it up for him and then he sets it up for me. We both correctly identified the 2 cups that were the same, and we both ranked the stacked infusion brew higher and described it as being “more extracted.”

I’m getting a refractometer for Christmas so I’ll try this again when I can actually get objective results.

TLDR; we liked the coffee from the stacked infusions better, but I’m not sure how this would work for a darker roast. It made the light roast that is typically juicy and bordering acidic very balanced and sweet. Not sure if it’s worth the trouble of doing it every time.

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