TL;DR I only very recently realized that Kalita wave filter is basically just a pre-shaped circular flat filter. You can flatten it first, then use the negotiator to help fold it the same way as the Sibarist Orea filter. I’ve been experimenting a lot with different filters and the Orea v3. I’ve tried using v60 … Continue reading A better way to negotiate a Kalita wave filter into the Orea v3 brewer