Digital kitchen scale, Burr coffee grinder, Electric kettle, Pour-over coffee rig (carafe, filter holder, and paper cone-shaped filter)
Assemble a pour-over coffee rig using a carafe, filter holder, and filter set on a digital kitchen scale.
Place the coffee in the filter and the ice in the carafe, carefully noting the weights.
Slowly pour 50 grams of the water over the coffee using a spiral pattern. Zero the scale, wait 40 seconds, then using the same spiral pattern, slowly pour the remaining 200 grams water over the coffee. This step should ideally take about 2 minutes. If using an electric kettle with a thermostat, you can dose out the water in batches, returning it to the heating element as needed.
When the coffee has finished brewing, remove the filter holder and discard or compost the grounds. Serve the coffee with any remaining ice or strain it out for a stronger brew.