Review: HIFLUX Korean Lyocell Coffee Filter Papers — Turning the Kalita Wave Into a “High-Speed Machine”!
It’s really been a long time since I last bought a special filter paper just to do a proper review. A few years ago, functional filter papers designed to control flow rate were all the rage. Whether you wanted fast dripping or slow dripping, there were matching filters for each purpose. Some people say these products are just “IQ tax,” thinking, How much difference can a tiny piece of filter paper actually make? But from my own experience—it's definitely not an IQ tax. Filter paper can absolutely produce very noticeable changes in flow rate. The most classic example for slow dripping is the Japanese KONO Silky filter. Even if you use a V60 with a large drainage hole, it massively slows the flow. A brew you would normally finish in 1.5 minutes can take an extra 30 seconds or more with the SILKY paper. So after talking about a representative slow-drip filter, today we’re moving to the fast-drip category. I’ve reviewed one of the top performers in this group before—the Sibarist fr...