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Glass kettles — stovetop borosilicate

Stovetop borosilicate kettle 1.2L

*Bōlí zhǔ shuǐ hú*

玻璃煮水壶

Hand-blown borosilicate vessel that turns water watching into a ritual — see every bubble, never taste metal again.

$104USD · 980 g

Weight
980 g
Processing
Hand-blown from a single gather of borosilicate glass; annealed at 560°C for shock resistance.
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A step up for a small gathering

The 1.2L kettle is the middle size in Gao Liuzhou’s small kettle line, built for two or three people rather than a solitary session. The extra volume means a slightly longer wait for a boil, but the same clear view of the water throughout — shrimp eyes at the base, crab eyes as the temperature climbs, strings of pearls before the surface breaks into a full roll.

Each kettle begins as a single gather of borosilicate, shaped by hand with wooden blocks, the neck blown by mouth and the spout trimmed with shears while the glass still glows. The process leaves faint, individual ripples in the wall — proof that no two kettles are exactly alike. Annealing runs at 560°C, cooling slowly enough afterward to prevent the stress fractures that a rushed cool-down would leave behind.

Because Gao adds no colourant or coating to the glass, water tastes precisely as it should: sweet, soft, and free of any metallic edge. This size shares bench time with her main gaiwan work, so it restocks irregularly rather than on a fixed schedule.

The leaf, brewed

A kettle that lets water perform

dry leaf

Weighty, flawless cylinder with faint breath ripples; light gathers along the rim, no impurities in the glass.

wet leaf

Filled, the glass magnifies oxygen clusters and tiny suspended bubbles; the handle stays cool to the touch.

liquor

Water boils with pristine clarity — no metallic haze, just the sequence of shrimp eyes, crab eyes, and strings of pearls.

aroma

Steam lifts clean, carrying only the faintest scent of warm glass and mineral-free neutrality.

taste

The boiled water feels smooth and soft on the palate, with a gentle roundness and no scorched or metallic off-notes.

finish

Leaves a clean, sweet aftertaste that prepares the mouth for tea — the memory is all eyes, no interference.

Brewing

A method, not a recipe.

Method
Stovetop (gas/electric; induction with adapter)
Ratio
Fill to 1.2L capacity, never above the spout line
Water temp
100
First infusion
Roughly 3 minutes to a full boil on medium-high heat
Subsequent
Not applicable; reheat quickly if needed

Watch the bubble sequence: shrimp eyes at 70–80°C, crab eyes near 85°C, strings of pearls near 90°C, then a full rolling boil — good for guiding green-tea water temperature. Remove from heat once the surface rolls.

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Gao Liuzhou

glassblower

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