A fine cup of tea offers mellow flavor and elegant charm, calming the mind and soothing the spirit. While selecting premium tea leaves is crucial for brewing excellence, the water quality, temperature, utensils, steeping time, and leaf-to-water ratio all profoundly influence the tea's color, aroma, and taste. So, what should one pay attention to when brewing a perfect cup?
Water Quality
Only good water complements good tea. Water is classified as hard or soft, and this distinction affects the tea liquor's color, aroma, and taste—all sensory qualities. Hard water generally contains higher levels of soluble calcium and magnesium compounds, while water with little to no soluble calcium and magnesium compounds is considered soft water.For brewing tea, soft water with low metal ion content is ideal, such as purified water or high-quality mineral water. However, many people opt for convenience and boil tap water directly. This water often retains residual chlorine used for disinfection, imparting an unpleasant odor to the tea liquor. Therefore, when using tap water, purification is necessary. Store it in an uncovered container for a period to allow the chlorine to dissipate, and extend the boiling time appropriately.
Teaware
Selecting the right teaware is an essential yet often overlooked step in brewing, appreciating, and savoring tea. When brewing green tea, choose cups based on the tea's quality. For premium, delicate green teas like West Lake Longjing or Huangshan Maofeng, use transparent glass cups to admire the tea leaves as they dance.Teas of standard quality may be brewed in porcelain cups. Note, however, that green tea should never be brewed with a lid, as this causes the liquor to turn yellow. For black tea, glass cups or white porcelain can be used to showcase its red liquor. Yet, brewing black tea in a lidded bowl better releases its rich aroma.Oolong tea also benefits from gaiwan brewing, facilitating aroma appreciation and leaf inspection. Brewing in a purple clay teapot further enriches the liquor's body and preserves its fragrance. Pu'er tea is generally brewed in either purple clay teapots or gaiwan.
Water Temperature
Generally, the optimal brewing temperature for each tea type correlates with its fermentation level. Less fermented teas require lower water temperatures—especially unfermented green teas like West Lake Longjing or Biluochun, which should be brewed with water between 80°C and 85°C (176°F to 185°F). These delicate teas are prone to having their fresh, green aroma damaged by water that's too hot, such as freshly boiled water.Oolong teas like Tieguanyin and Dahongpao are semi-fermented and suit multiple infusions with boiling water. Black tea, being fully fermented, benefits from high temperatures to extract its beneficial compounds; freshly boiled water is ideal. Dark tea, a post-fermented variety exemplified by Pu'er, also requires 100°C boiling water for brewing.
Tea-to-Water Ratio
Generally, the ratio of tea leaves to water varies depending on the tea type and the drinker's preference for strength. For green tea, a 1:50 ratio is ideal. Using 150 milliliters of water to steep 3 grams of tea typically yields a moderately strong brew. The tea-to-water ratio for black tea is similar to that for green tea.Black tea requires about twice the amount of leaves compared to green tea, resulting in a 1:25 leaf-to-water ratio. Oolong tea uses a larger quantity of leaves, typically filling half or more of the teapot or gaiwan.
Steeping Time
Too short a steep time leaves the tea flavor underdeveloped, while too long allows the aroma to dissipate. The ideal steeping duration depends on the tea variety and the number of infusions.Green tea is typically steeped for 2-3 minutes and is best enjoyed immediately after brewing. If brewed at excessively high temperatures or for too long, polyphenols oxidize, causing the tea liquor to turn yellow and its aromatic compounds to evaporate. When brewing, first rinse the leaves with 1/4 of the water, wait 20 seconds to 30 seconds, then add the remaining water to brew.Black tea is best steeped for 3–5 minutes. The number of infusions depends on the tea's quality, typically 2–3 times.Oolong tea can be steeped multiple times; high-quality varieties may withstand 7–8 infusions. Each subsequent steep should be shorter, ideally lasting 2–5 minutes. For dark teas like Pu'er, perform a quick rinse for 10–20 seconds during the first infusion. This removes impurities and enhances the aroma and richness of subsequent brews. Subsequent steeps are best kept at 2–3 minutes.