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Why Water Temperature Matters When Brewing Tea

mary spohn

Updated: Mar 5

Why Water Temperature is Important When Brewing Tea – Best Guide

Learn why water temperature is key to brewing the perfect cup of tea. Understand the ideal temperatures for green, black, white, and oolong teas, plus expert tips to enhance your tea experience.


Glass teapot with yellow tea and a small white cup on a kitchen counter, soft lighting, blurred floral arrangement in the background.

The Crucial Role of Water Temperature in Brewing Tea

Brewing a world-class cup of tea is an art that hinges on several factors, with water temperature being paramount. Using the correct water temperature can open up a whole world of flavor that you never knew existed within tea.


Why Water Temperature Matters

Each type of tea has an ideal range of temperatures to be applied in brewing because the wrong water temperature can cause an over-extraction or under-extraction of polyphenols (tannins), which can alter the flavor of your tea.


Ideal Water Temperatures for Different Teas

  • Green Tea: Delicate green teas are best brewed with water at 80°C (176°F). Using water that's too hot can "burn" the tea, leading to bitterness.

  • White Tea: Similar to green tea, white tea benefits from water around 80°C (176°F) to preserve its subtle flavors.

  • Oolong Tea: Oolong teas are versatile and can be brewed with water between 80-90°C (176-194°F), depending on their oxidation level.

  • Black Tea: Robust black teas can be brewed with water at 100°C (212°F) to fully extract their rich flavors.

  • Herbal Teas: Most herbal infusions require boiling water at 100°C (212°F) to extract their beneficial compounds.


Black floral teapot, two matching cups with green tea, wooden bowl with herbs on textured white surface, lit by natural light.

Tips for Achieving the Right Temperature

  • Boil and Cool: Boil your water and then let it cool to the desired temperature. This method, referred to as "kai shui" or "open the water," dates back to the Tang Dynasty (618-906 CE).

  • Use a Thermometer: A kitchen thermometer can help you achieve precise temperatures, ensuring consistency in your brews.

  • Invest in a Variable Temperature Kettle: Modern electric kettles with adjustable settings make it easy to heat water to the exact temperature needed for different teas.


Experiment and Enjoy

The truest way to figure out your preference is to experiment! Try brewing teas using varying water temperatures to determine what you like best.


At Luma Tea, we offer a diverse selection of premium teas, each with its unique brewing requirements. Explore our collection to find your perfect cup, and remember, the right water temperature can transform your tea experience. Happy brewing!

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