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Suntory Tennensui (Aso)
Suntory Tennensui is Japan's best-selling bottled water, drawn at four sources; this entry is the Aso source in Kumamoto (soft water, hardness about 80 mg/L). — as described by the brand
- pH7 ideal 6.5–8.59.8
- TDSNot published −0.1—
- Sodium7–14 mg/L ideal up to 20 mg/L · varies by source10.0
- Calcium12–24 mg/L ideal 36.7–80 mg/L · varies by source · counts half5.0
- Magnesium6–11 mg/L ideal 16.7–30 mg/L · varies by source · counts half5.0
- SulfateNot published −0.1—
- ChlorideNot published −0.1—
- NitrateNot published −0.1—
- BicarbonateNot published −0.1—
Each bar is out of 10 for that property. Needs at least 5 of 9 properties, including sodium and pH or TDS. Editorial score, not a health rating. How scores work →
Taste notes
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- SoftNo votes
- CrispNo votes
- SmoothNo votes
- MineralNo votes
- SaltyNo votes
- SweetNo votes
- BitterNo votes
- MetallicNo votes
Ratings & reviews
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Similar waters
Not enough published values yet. Suntory Tennensui (Aso) publishes 0 of the 9 mineral values we use as single numbers (the rest are ranges, “not detected” or not published). We need at least 5 in common with another water to compare profiles.
Source & spring
| Source | Kashima, Kamimashiki District, Kumamoto Prefecture, Japan (Suntory Aso plant) |
|---|---|
| Country | Japan · all waters from Japan |
| Water type | Natural mineral water · what this means |
| Still or sparkling | Still |
| Data source | Label photo, Suntory Aso no Tennensui 2 L, nutrition panel per 100 mL (Open Food Facts image, uploaded 2014-08) Last checked 2026-10-26 |
Kashima, Kamimashiki District, Kumamoto Prefecture, Japan (Suntory Aso plant)Suntory Tennensui (Aso) ingredients & nutrition facts
per litre
Label (per 100 mL): sodium 0.7-1.4 mg, calcium 1.2-2.4 mg, magnesium 0.6-1.1 mg, potassium 0.3-0.7 mg; hardness about 80 mg/L; pH about 7. The label is from 2014. The Minami Alps, Okudaisen and Kita Alps sources differ.
Brands update their analyses from time to time, and values can differ between bottle sizes, plants and batches. Check the label on your bottle. Spotted a change? See corrections.
Suntory Tennensui (Aso) FAQ
Is Suntory Tennensui (Aso) alkaline?
Suntory Tennensui (Aso) has a published pH of 7, which is neutral (7 is neutral).
How much sodium (salt) is in Suntory Tennensui (Aso)?
Suntory Tennensui (Aso) publishes a sodium range of 7 to 14 mg/L.
Does Suntory Tennensui (Aso) have electrolytes?
Its published analysis lists, per litre: calcium 12–24 mg/L, magnesium 6–11 mg/L, sodium 7–14 mg/L and potassium 3–7 mg/L.
Is Suntory Tennensui (Aso) spring, mineral or purified water?
Suntory Tennensui (Aso) is a still natural mineral water.
Where does Suntory Tennensui (Aso) come from?
Kashima, Kamimashiki District, Kumamoto Prefecture, Japan (Suntory Aso plant).
Where to buy
See the official Suntory Tennensui (Aso) website for stockists. Retailer and price links are coming later.
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Not medical advice. Waterphile shows mineral values as published by each brand, for general information only. If you have a health condition, follow a restricted diet or prepare infant formula, ask a doctor, pediatrician or health visitor.