Steps to Make Scott Rao's Filter 3 Coffee

Preparation

Pour 22g of very coarsely ground coffee into the basket.

Give it a gentle shake to level the grounds.

Flush the group head (using the Decent "Dimples" shower screen, which has 50 small protrusions to ensure even water distribution).

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Brewing Process

1. Latch the basket onto the machine.

2. Press the button to start the brew—everything else is fully automated.

The entire process takes ~4 minutes.

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Optional Manual Check (At \~100 Seconds)

Remove the basket to check the slurry level:

Optimal grind: Slurry is ~50% up the basket.

Too fine? Slurry is 60% or higher → use a slightly coarser grind next time.

Too coarse? Slurry is below 40% → use a finer grind next time.

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Filter 3 Profile Details

Pre-wet phase: 3:1 ratio (~66g water for 22g coffee).

30-second bloom follows pre-wet.

Slow-flow stages with gradually declining water temperature (to avoid over-extraction).

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Expected Results

Extraction yield: ~22-23%.

TDS (Total Dissolved Solids): 1.4-1.5%.

If too strong, dilute with 30-40g water after brewing.

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Why Filter 3 is Great

Simple & consistent – just press a button.

Time-saving – ideal for events or roastery use.

Reliable – produces perfect filter coffee every time.

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Filter3 baskets are available at Scott Rao's web store and at Decent Espresso's website.

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