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Plancoët
Plancoët is Brittany's best-known natural mineral water, from the Sassoy spring, low in minerals and with no detectable nitrate. — as described by the brand
- pH6.5 ideal 6.5–8.59.0
- TDS257 mg/L ideal 225–500 mg/L9.6
- Sodium32 mg/L ideal up to 20 mg/L8.0
- Calcium25 mg/L ideal 36.7–80 mg/L · counts half5.0
- Magnesium16 mg/L ideal 16.7–30 mg/L · counts half8.7
- Sulfate56 mg/L ideal up to 248 mg/L10.0
- Chloride39 mg/L ideal up to 250 mg/L10.0
- NitrateND mg/L ideal up to 10 mg/L10.0
- Bicarbonate126 mg/L ideal 30–396.6 mg/L · counts half10.0
Each bar is out of 10 for that property. Deductions: −0.1 for an undated analysis. 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
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Computed from published numbers only: the waters whose mineral values are closest to Plancoët’s on a log scale, using the values both brands publish as single numbers (at least 5). pH and nitrate are not used. Similar minerals do not mean similar taste.
Source & spring
| Source | Source de Sassoy, Plancoët (Côtes-d'Armor), Brittany, France |
|---|---|
| Country | France · all waters from France |
| Water type | Natural mineral water · what this means |
| Still or sparkling | Still |
| Data source | eau-plancoet.com – Plancoët eau minérale naturelle plate, composition (undated) Last checked 2026-10-29 |
Source de Sassoy, Plancoët (Côtes-d'Armor), Brittany, FrancePlancoët ingredients & nutrition facts
per litre
Official (still): Ca 25, HCO3 126, Na 32, Cl 39, Mg 16, SO4 56, K 4.9 mg/L, nitrates below detection limit (stored as ND), dry residue 180 °C 257 mg/L, pH 6.5. Sparkling versions: pH 4.6, similar minerals.
UK/EU label thresholds met
Applied to the published numbers for information; these indications legally apply to natural mineral water labels.
- Low mineral content (fixed residue ≤ 500 mg/L)
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.
Plancoët FAQ
Is Plancoët alkaline?
Plancoët has a published pH of 6.5, which is slightly acidic (7 is neutral).
How much sodium (salt) is in Plancoët?
Plancoët has 32 mg/L of sodium, as published.
Does Plancoët have electrolytes?
Its published analysis lists, per litre: calcium 25 mg/L, magnesium 16 mg/L, sodium 32 mg/L, potassium 4.9 mg/L, bicarbonate 126 mg/L, chloride 39 mg/L and sulfate 56 mg/L.
Is Plancoët spring, mineral or purified water?
Plancoët is a still natural mineral water.
Where does Plancoët come from?
Source de Sassoy, Plancoët (Côtes-d'Armor), Brittany, France.
Where to buy
See the official Plancoët 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.