Pour Over (V60, Chemex, Kalita)¶
Pour Over Brewing method where hot water is manually poured over ground coffee in a filter. Water percolates through grounds by gravity. Produces clean, bright, nuanced cups highlighting origin characteristics. Requires technique and precision. V60 (Hario V60) Cone-shaped pour-over dripper with spiral ribs and large central hole. "60" refers to 60-degree cone angle. Allows fast flow and variable technique. Most popular pour-over device globally. Requires skill for consistency. V60 Technique Pouring methodology for V60: typically involves bloom (30-45 seconds), then circular pours in pulses or continuous spiral. Multiple valid approaches - Rao method, 4:6 method, continuous pour, etc. Chemex Hourglass-shaped glass pour-over brewer invented by Peter Schlumbohm (1941). Uses proprietary thick bonded filters. Produces exceptionally clean, tea-like cups. Iconic design (MOMA collection). Sizes from 3-cup to 10-cup. Chemex Filter Thick, bonded paper filter 20-30% heavier than standard filters. Removes oils and fine particles exceptionally well. Creates clean but sometimes over-clarified cups. Requires longer brew time than standard filters. Kalita Wave Flat-bottom pour-over brewer with wave-style filter and three drainage holes. Patented design promotes even extraction. More forgiving than V60. Popular in Japanese coffee culture. Available in metal (155, 185) and ceramic. Wave Filter Proprietary wave-shaped filter for Kalita Wave. Pleated sides create air channels between brewer and filter. Promotes even extraction and consistent flow rate. Bloom Initial pour (typically 2-3x coffee weight) to saturate grounds and allow CO2 degassing. Usually 30-45 seconds. Grounds "bloom" or expand. Critical for even extraction in pour-over. Fresh coffee blooms more vigorously. Blooming The expansion and bubbling of coffee grounds during the bloom phase. Caused by CO2 release from recently roasted coffee. Visual indicator of freshness. Degassed (stale) coffee won't bloom. Pulse Pouring Pouring technique using multiple discrete pours with pauses between. Allows control of contact time and temperature. Versus continuous pour. Many competition baristas use pulse pouring. Continuous Pour Steady, uninterrupted pouring maintaining consistent water level. Alternative to pulse pouring. Can be faster and create different extraction. Technique choice affects final cup. Circular Pour Pouring in spiral/circular motion from center outward and back. Promotes even saturation. Standard technique for most pour-overs. Avoids channeling along sides. Center Pour Pouring primarily in the center of the coffee bed. Can create central channeling if not managed properly. Sometimes used intentionally for specific extractions. Agitation Disturbing the coffee bed through pouring technique, stirring, or swirling. Increases extraction uniformity. Controversial - can improve or harm extraction depending on approach. Drawdown The time for water to completely drain through the coffee bed after final pour. Indicator of extraction evenness and grind size appropriateness. Typical target: 3-4 minutes total including bloom. Bypass Water that flows around coffee grounds (along filter walls) without extracting. Reduces strength and creates unevenness. Avoided through proper pouring technique. More common in cone brewers (V60) than flat-bottom. Rao Method (Rao Spin) Pour-over technique developed by Scott Rao. Emphasis on even saturation, gentle agitation, swirling brewer at end for flat bed. Creates consistent, even extractions. 4:6 Method Pour-over technique developed by Tetsu Kasuya (2016 World Brewers Cup Champion). Splits water into 4 and 6 portions. First 40% controls sweetness/acidity balance; final 60% controls strength. Systematic approach. Gooseneck Kettle Kettle with long, narrow, curved spout for precise pour control. Essential for pour-over brewing. Allows controlled flow rate and targeting. Electric or stovetop. Variable temp control preferred. Pour Rate Speed of water addition measured in grams or ml per second. Affects turbulence, temperature, and extraction. Typical: 3-5 g/s. Faster pour increases turbulence and extraction; slower allows more heat loss. Brew Ratio (Pour Over) Coffee to water ratio. Typical pour-over ratios: 1:15 to 1:17 (e.g., 20g coffee to 300-340ml water). Stronger ratios (1:15) for more intensity; weaker (1:17) for clarity. Brew Time (Pour Over) Total time from first water contact to complete drawdown. Typically 2:30-4:00 for most pour-overs. Too fast (under-extracted); too slow (over-extracted or channeling). Water Temperature (Pour Over) Typical range: 90-96°C (194-205°F). Lighter roasts benefit from hotter water; darker roasts from cooler. Affects extraction rate and flavor balance. Filter Types Paper (bleached/unbleached), metal, cloth. Paper removes oils and fines creating clean cup. Metal preserves oils for fuller body. Cloth balances characteristics. Choice affects final cup significantly. Bleached vs Unbleached Filter Bleached (white) filters: oxygen-bleached, no paper taste when rinsed. Unbleached (brown): may impart slight paper taste if not rinsed, more eco-friendly perception. Minimal cup difference when properly rinsed. Rinsing Filter Pre-wetting filter with hot water before brewing. Removes paper taste, preheats brewer, helps filter adhere to walls. Essential step - discard rinse water. Flat Bed Ideal final coffee bed shape after drawdown - flat and even surface. Indicates uniform extraction. Achieved through proper technique and swirling. Cone-shaped or uneven beds suggest problems. Recipe (Pour Over) Specific brewing parameters: coffee dose, water amount, temperature, grind size, pour timing/technique. Reproducible instructions. Example: "20g coffee, 300g water, 93°C, 30s bloom, 4 pours total, 3:00 total time."
Related Notes: - Coffee Terminology MoC