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Jeju Samdasoo
Jeju Samdasoo is South Korea's best-selling bottled water, drawn from groundwater that has filtered through Jeju Island's volcanic rock. — as described by the brand
- pH7.5–7.9 ideal 6.5–8.5 · varies by source9.8
- TDS<100 mg/L ideal 225–500 mg/L5.0
- Sodium4–7.2 mg/L ideal up to 20 mg/L · varies by source10.0
- Calcium2.5–4 mg/L ideal 36.7–80 mg/L · varies by source · counts half5.0
- Magnesium1.7–3.5 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. Deductions: −0.4 for missing values, −0.1 for an undated analysis. Editorial score, not a health rating. How scores work →
* TDS: Published as ≤100 mg/L, not an exact value.
Official producer page: metasilicic acid (H2SiO3) 25–50, total dissolved solids ≤100, Ca 2.5–4.0, K 1.5–3.4, Na 4.0–7.2, Mg 1.7–3.5 mg/L, pH 7.5–7.9. Kwang Dong (seller) lists fluoride not detected. TDS is published as '≤100' and stored as <100 (scored at 100). Metasilicic acid is not converted to silica.
Taste notes
No taste notes yet. Soon you will be able to say how Jeju Samdasoo tastes to you. Results will appear here once people have voted; nothing is shown until then.
- 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. Jeju Samdasoo 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 | Volcanic bedrock aquifer, Jocheon-eup, Jeju Island, South Korea (Jeju Province Development Corporation) |
|---|---|
| Country | South Korea · all waters from South Korea |
| Water type | Spring water · what this means |
| Still or sparkling | Still |
| Data source | jpdc.co.kr (Jeju Province Development Corporation) – Samdasoo products page, main water-quality components (mg/L); same Ca/K/Na/Mg/F ranges on ekdp.com (seller Kwang Dong) Last checked 2026-10-26 |
| Note on TDS | Published as ≤100 mg/L, not an exact value. |
Volcanic bedrock aquifer, Jocheon-eup, Jeju Island, South Korea (Jeju Province Development Corporation)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.
Where to buy
See the official Jeju Samdasoo 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.