Coffee science time!

@PilotCoffee Heritage, 18.0g in at 1.70 on the grinder... BUT this time there& #39;s a twist.

https://www.home-barista.com/espresso-machines/aeropress-filter-below-and-above-puck-t58544.html

...(grind,">https://www.home-barista.com/espresso-... groom, tamp; but that& #39;s something different under the grounds, stay tuned)...
Coffee science time! @PilotCoffee Heritage, 18.0g in at 1.70 on the grinder... BUT this time there& #39;s a twist. https://www.home-barista.com/espresso-... groom, tamp; but that& #39;s something different under the grounds, stay tuned)...
Coffee science time! @PilotCoffee Heritage, 18.0g in at 1.70 on the grinder... BUT this time there& #39;s a twist. https://www.home-barista.com/espresso-... groom, tamp; but that& #39;s something different under the grounds, stay tuned)...
Coffee science time! @PilotCoffee Heritage, 18.0g in at 1.70 on the grinder... BUT this time there& #39;s a twist. https://www.home-barista.com/espresso-... groom, tamp; but that& #39;s something different under the grounds, stay tuned)...
...we& #39;re going with the Rao over/under filter trick to try to increase extraction a bit.

When I had espresso made this way in the past (by an actual pro, not me) it kind of... Soft-focused the flavours a bit. Muted good blends sometimes but made single origins more approachable.
...we& #39;re going with the Rao over/under filter trick to try to increase extraction a bit.When I had espresso made this way in the past (by an actual pro, not me) it kind of... Soft-focused the flavours a bit. Muted good blends sometimes but made single origins more approachable.
...we& #39;re going with the Rao over/under filter trick to try to increase extraction a bit.When I had espresso made this way in the past (by an actual pro, not me) it kind of... Soft-focused the flavours a bit. Muted good blends sometimes but made single origins more approachable.
92°C, 36.6g out in ~45s. (I& #39;m a bad coffee scientist because I changed two variables at once this time: I used the @thirdwavewater Brew formula instead of Toronto tap water. Cf. https://www.toronto.ca/services-payments/water-environment/tap-water-in-toronto/tap-water-quality-system-reports/">https://www.toronto.ca/services-... )

Notice the absence of tiger striping / mottling and the extra spray! https://abs.twimg.com/emoji/v2/... draggable="false" alt="🧐" title="Face with monocle" aria-label="Emoji: Face with monocle">
92°C, 36.6g out in ~45s. (I& #39;m a bad coffee scientist because I changed two variables at once this time: I used the @thirdwavewater Brew formula instead of Toronto tap water. Cf. https://www.toronto.ca/services-... )Notice the absence of tiger striping / mottling and the extra spray! https://abs.twimg.com/emoji/v2/... draggable=" title="92°C, 36.6g out in ~45s. (I& #39;m a bad coffee scientist because I changed two variables at once this time: I used the @thirdwavewater Brew formula instead of Toronto tap water. Cf. https://www.toronto.ca/services-... )Notice the absence of tiger striping / mottling and the extra spray! https://abs.twimg.com/emoji/v2/... draggable="false" alt="🧐" title="Face with monocle" aria-label="Emoji: Face with monocle">">
92°C, 36.6g out in ~45s. (I& #39;m a bad coffee scientist because I changed two variables at once this time: I used the @thirdwavewater Brew formula instead of Toronto tap water. Cf. https://www.toronto.ca/services-... )Notice the absence of tiger striping / mottling and the extra spray! https://abs.twimg.com/emoji/v2/... draggable=" title="92°C, 36.6g out in ~45s. (I& #39;m a bad coffee scientist because I changed two variables at once this time: I used the @thirdwavewater Brew formula instead of Toronto tap water. Cf. https://www.toronto.ca/services-... )Notice the absence of tiger striping / mottling and the extra spray! https://abs.twimg.com/emoji/v2/... draggable="false" alt="🧐" title="Face with monocle" aria-label="Emoji: Face with monocle">">
92°C, 36.6g out in ~45s. (I& #39;m a bad coffee scientist because I changed two variables at once this time: I used the @thirdwavewater Brew formula instead of Toronto tap water. Cf. https://www.toronto.ca/services-... )Notice the absence of tiger striping / mottling and the extra spray! https://abs.twimg.com/emoji/v2/... draggable=" title="92°C, 36.6g out in ~45s. (I& #39;m a bad coffee scientist because I changed two variables at once this time: I used the @thirdwavewater Brew formula instead of Toronto tap water. Cf. https://www.toronto.ca/services-... )Notice the absence of tiger striping / mottling and the extra spray! https://abs.twimg.com/emoji/v2/... draggable="false" alt="🧐" title="Face with monocle" aria-label="Emoji: Face with monocle">">
Rather a lot of extra spray, in fact. Bit of a messier puck knock-out than usual, but I think that& #39;s just because I expected to have to knock it out as usual and instead it just slid out, so I messed it up a bit.

Surprising how much coffee ended up above the top filter! Huh.
Rather a lot of extra spray, in fact. Bit of a messier puck knock-out than usual, but I think that& #39;s just because I expected to have to knock it out as usual and instead it just slid out, so I messed it up a bit.Surprising how much coffee ended up above the top filter! Huh.
Rather a lot of extra spray, in fact. Bit of a messier puck knock-out than usual, but I think that& #39;s just because I expected to have to knock it out as usual and instead it just slid out, so I messed it up a bit.Surprising how much coffee ended up above the top filter! Huh.
Rather a lot of extra spray, in fact. Bit of a messier puck knock-out than usual, but I think that& #39;s just because I expected to have to knock it out as usual and instead it just slid out, so I messed it up a bit.Surprising how much coffee ended up above the top filter! Huh.
Rather a lot of extra spray, in fact. Bit of a messier puck knock-out than usual, but I think that& #39;s just because I expected to have to knock it out as usual and instead it just slid out, so I messed it up a bit.Surprising how much coffee ended up above the top filter! Huh.
As for flavour results, the extra filters seemed to do this time what they& #39;ve done previously: knock the sharp edges off the flavours a bit and blend it all together.

The Heritage beans didn& #39;t really need that help, but I& #39;ll try this with the Das Nascentes next time and see!
Full disclosure: two-coffee morning, not because the espresso was dissatisfying but just because I felt like indulging a bit.

(tagging in @syncros to this thread for obvious reasons! https://abs.twimg.com/emoji/v2/... draggable="false" alt="😁" title="Grinning face with smiling eyes" aria-label="Emoji: Grinning face with smiling eyes">)
Full disclosure: two-coffee morning, not because the espresso was dissatisfying but just because I felt like indulging a bit.(tagging in @syncros to this thread for obvious reasons! https://abs.twimg.com/emoji/v2/... draggable=)" title="Full disclosure: two-coffee morning, not because the espresso was dissatisfying but just because I felt like indulging a bit.(tagging in @syncros to this thread for obvious reasons! https://abs.twimg.com/emoji/v2/... draggable="false" alt="😁" title="Grinning face with smiling eyes" aria-label="Emoji: Grinning face with smiling eyes">)">
Full disclosure: two-coffee morning, not because the espresso was dissatisfying but just because I felt like indulging a bit.(tagging in @syncros to this thread for obvious reasons! https://abs.twimg.com/emoji/v2/... draggable=)" title="Full disclosure: two-coffee morning, not because the espresso was dissatisfying but just because I felt like indulging a bit.(tagging in @syncros to this thread for obvious reasons! https://abs.twimg.com/emoji/v2/... draggable="false" alt="😁" title="Grinning face with smiling eyes" aria-label="Emoji: Grinning face with smiling eyes">)">
Full disclosure: two-coffee morning, not because the espresso was dissatisfying but just because I felt like indulging a bit.(tagging in @syncros to this thread for obvious reasons! https://abs.twimg.com/emoji/v2/... draggable=)" title="Full disclosure: two-coffee morning, not because the espresso was dissatisfying but just because I felt like indulging a bit.(tagging in @syncros to this thread for obvious reasons! https://abs.twimg.com/emoji/v2/... draggable="false" alt="😁" title="Grinning face with smiling eyes" aria-label="Emoji: Grinning face with smiling eyes">)">
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