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Why do we wet paper filters? (lemm.ee)

submitted 11 months ago by [email protected] to c/coffee

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I've seen the pourover advice given and referenced unquestioningly: always pre-wet your paper filter. But why? What is the benefit of doing this step?

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[–] mean_bean279 8 points 11 months ago

This is true, but it also helps to wet the paper so that the coffee goes into the cup/carafe. By wetting the paper when you go to pour in the first bit of water it’s not the strongest coffee being absorbed into the paper. It also helps to loosen up the fibers and get everything settled rather than having it settle while there’s coffee in there. I also use it as an opportunity to ensure I’m getting the paper to stick to the sides so that if I accidentally pour on the side of the filter and down the cone it will still interact with the coffee grounds.

As you said too, if you use a porcelain cone it helps to heat it up so you can maintain brew temps. Most plastic cones may not see this benefit though.