How to Use Kalita Filters for a Cleaner Pour-Over

By Kiss the Hippo Coffee | London's Premier Specialty Coffee Roastery | Published: 2026-10-22

Category: How-to Guides

Learn how to use Kalita Wave filters for a cleaner, more flavorful pour-over coffee. Step-by-step guide with tips to avoid common brewing mistakes.

Quick answer

Using Kalita Wave filters correctly—pre-wetting, seating, and dosing—delivers a cleaner, more balanced pour-over by reducing sediment and promoting even extraction.

Why the Kalita Wave filter design matters

The patented wave structure of Kalita Wave filters creates small ridges that lift the paper off the dripper walls. This allows air to circulate and water to flow evenly, preventing the filter from sticking and causing channeling. The result is a stable brewing temperature and a clean cup with minimal fines in your coffee.

Unlike cone filters that can collapse or clog, the wave design gives you a consistent flow rate. This makes it easier to achieve a balanced extraction, especially for pour-over beginners who are still dialing in their technique.

Choosing the right Kalita filter size

Kalita Wave filters come in two main sizes: 155 (for single servings, 1-2 cups) and 185 (for larger batches, 2-4 cups). The 185 filters work with the Kalita Wave 185 dripper and are ideal for brewing 20-30 grams of coffee. Using the wrong size can lead to overflow or under-extraction.

Always check your dripper model before buying filters. The 185 filters are the most common for home use and pair perfectly with the Kalita Wave 185 dripper for a consistent pour-over experience.

Step-by-step guide to using Kalita filters for a cleaner pour-over

Step 1: Pre-wet the filter thoroughly: Place the Kalita Wave filter into the dripper, ensuring the seams sit flat against the walls. Pour hot water (just off the boil) evenly over the entire paper, wetting all sides. Discard the rinse water before adding coffee. Skipping the rinse leaves a papery taste in your coffee. Rinsing also preheats the dripper and mug.
Step 2: Add coffee grounds and level the bed: Add your ground coffee (medium-fine grind, similar to sea salt) and gently shake or tap the dripper to create a flat surface. Do not press down. A level bed ensures water flows evenly through all grounds. An uneven bed causes channeling—water flows through thin spots, leaving thick spots under-extracted.
Step 3: Bloom with a gentle spiral pour: Start your timer and pour twice the weight of coffee in water (e.g., 30g water for 15g coffee) in a slow spiral from center outward. Let it bloom for 30-45 seconds until bubbles subside. This releases trapped CO₂ and improves extraction. Pouring too aggressively or too fast can wash grounds up the sides, causing uneven extraction. Keep the stream gentle.
Step 4: Continue pouring in stages: After the bloom, pour water in 2-3 equal stages, always in a slow spiral. Keep the water level just below the dripper rim. Aim for a total brew time of 2:30-3:00 minutes (for 250g water). Pause between pours to let the water drain halfway. Pouring all the water at once can stall the flow and over-extract the coffee. Staged pours maintain a stable slurry temperature.
Step 5: Let the bed drain completely: Allow the last pour to drain fully through the filter. Do not stir or press the bed. A flat, even coffee bed at the end indicates good extraction. Remove the filter and enjoy your clean pour-over. If the bed looks muddy or has craters, your grind may be too fine or your pours too aggressive. Adjust grind size next time.

Recommended product

Kalita Filters: The Kalita Wave 185 Filters are designed for clean, balanced, and flavourful coffee with every brew. Their patented wave design promotes even extraction and stable temperature, while premium paper ensures clarity and smoothness in every cup. Using these filters reduces sediment and bitterness, giving you a cleaner cup without needing advanced brewing skills.
Kalita Filters