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Donat

Donat (formerly Donat Mg) is a Slovenian natural mineral water from Rogaška Slatina, known for about 1,000 mg/L of magnesium and a high sulfate content. — as described by the brand

Not enough data6/9 properties published
  • pHNot published −0.1—
  • TDSNot published −0.1—
  • Sodium1600 mg/L ideal up to 20 mg/L0.0
  • Calcium360 mg/L ideal 36.7–80 mg/L · counts half0.0
  • Magnesium1000 mg/L ideal 16.7–30 mg/L · counts half0.0
  • Sulfate2200 mg/L ideal up to 248 mg/L0.0
  • Chloride61 mg/L ideal up to 250 mg/L10.0
  • NitrateNot published −0.1—
  • Bicarbonate7200 mg/L ideal 30–396.6 mg/L · counts half0.0

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 →

How it stands out

  1. Highest magnesium of the 295 brands that publish a magnesium value (1,000 mg/L).

Taste notes

No taste notes yet. Soon you will be able to say how Donat 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

Waterphile Score lab data

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Not enough published values for a score yet.

Taste visitors

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Similar waters

  1. 1Long LifeNatural mineral water · Sparkling · Austria Calcium270.4Magnesium201Sodium129.4Bicarbonate2,111Compared on 5 shared values
  2. 2RadenskaNatural mineral water · Sparkling · Slovenia Calcium210Magnesium90Sodium470Bicarbonate2,000Compared on 6 shared values
  3. 3FrizeNatural mineral water · Sparkling · Portugal Calcium106Magnesium31.4Sodium635Bicarbonate2,100Compared on 5 shared values
  4. 4RozanaNatural mineral water · Sparkling · France Calcium301Magnesium160Sodium493Bicarbonate1,837Compared on 6 shared values

Computed from published numbers only: the waters whose mineral values are closest to Donat’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

SourceDonat spring, Rogaška Slatina, Slovenia
CountrySlovenia · all waters from Slovenia
Water typeNatural mineral water · what this means
Still or sparklingSparkling
Data sourceDonat Mg 0.5 L label extract, NLZOH Maribor analysis of 9 Dec 2024 (via wholesaler Kastner product data sheet)
Last checked 2026-10-29

Donat ingredients & nutrition facts

per litre
DonatPer litre · 6 of 11 values published
Basics
pH
—
Total dissolved solids
—
Minerals
Calcium
360 mg/L
Magnesium
1,000 mg/L
Sodium
1,600 mg/L
Potassium
—
Other dissolved substances
Bicarbonate
7,200 mg/L
Sulfate
2,200 mg/L
Chloride
61 mg/L
Nitrate (NO₃)
—
Silica
—
— Not published by the brand · we never estimateSource: Donat Mg 0.5 L label extract, NLZOH Maribor analysis of 9 Dec 2024 (via wholesaler Kastner product data sheet) · checked 2026-10-29

Label: 'Auszug aus der Analyse ... NLZOH Maribor, 9.12.2024': Mg 1000, Na 1600, Ca 360, HCO3 7200, SO4 2200, Cl 61 mg/L, CO2 min 3500. An older label (NLZOH, 7 July 2020) showed Na ~1700, Ca ~430, HCO3 ~7400, Cl 100. Label warns against use with kidney insufficiency, alkalosis and bradycardia, and that large amounts can cause diarrhoea. No pH or dry residue published, so no score.

UK/EU label thresholds met

Applied to the published numbers for information; these indications legally apply to natural mineral water labels.

  • Contains bicarbonate (> 600 mg/L)
  • Contains sulphate (> 200 mg/L)
  • Contains calcium (> 150 mg/L)
  • Contains magnesium (> 50 mg/L)
  • Contains sodium (> 200 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.

Donat FAQ

How much sodium (salt) is in Donat?

Donat has 1,600 mg/L of sodium, as published.

Does Donat have electrolytes?

Its published analysis lists, per litre: calcium 360 mg/L, magnesium 1,000 mg/L, sodium 1,600 mg/L, bicarbonate 7,200 mg/L, chloride 61 mg/L and sulfate 2,200 mg/L.

Is Donat spring, mineral or purified water?

Donat is a sparkling natural mineral water.

Where does Donat come from?

Donat spring, Rogaška Slatina, Slovenia.

Where to buy

See the official Donat website for stockists. Retailer and price links are coming later.

Compare Donat with

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.