Brew assistant
Pick a tea and a brewing style. Everything below is transcribed from that tea's own authored parameters — nothing is scaled from another style, because a ratio and a steep time do not transfer between styles.
Water temperature
3–8 °C
Typically 5 °C
Leaf for 250 ml
3.8–6.3 g
Typically 5 g
Ratio
1.5–2.5 g /100 ml
No rinse
Infusion schedule
This style is authored as a single infusion. A second steep from the same leaf will be thinner rather than merely weaker.
- Infusion 128800sEight hours in the refrigerator, which conveniently means overnight. Two hours either side changes very little.
Equipment
- Glass teapot
- Cold brew bottle
- Plastic teaware — Most cold-brew bottles and travel brewers are heat-tolerant plastic: light and unbreakable, and a surface that takes up aroma from smoky, roasted and heavily scented teas.
Vessel: A sealed bottle or jug in the refrigerator, not on the counter. A filter basket is convenient but not required — the leaf can be strained at the end.
Note: Mizudashi is where the practice comes from, and steamed Japanese leaf is the material it suits best: the steaming and rolling that make sencha give it up readily even in cold water, and shading raises the sweet fraction that cold water preferentially takes. More leaf than the general cold-brew set carries, because cold water extracts a smaller proportion of what is there and thin cold brew is the usual complaint. Overshooting the time is close to harmless; the tea sweetens rather than turning bitter.
What this does not tell you
These parameters are a synthesis of common practice rather than recorded practice for this specific tea.
How many infusions this tea will give beyond the schedule below is not recorded.
Leaf weight is a weight. A teaspoon is not — a fluffy white tea and a tightly rolled oolong differ several-fold by volume, so scales beat spoons here.
Other authored styles for this tea: Western brewing (teapot or mug) · Gongfu brewing (gaiwan) · Kyusu brewing (Japanese style) · Flash-chilled iced tea · Ice steeping (kōridashi) · Tea bag brewing
Methods TeaHQ describes but cannot give numbers for
1 of 28 brewing methods have no authored parameters on any tea. They are listed rather than hidden: the method exists and is described, the numbers are simply not written yet. Nothing here is estimated from a neighbouring style.
- Herbal infusion (tisane)
Herbal infusion is on that list for a second reason as well: the herbal catalogue is two records held in review, so there is nothing to brew even once parameters exist.