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Jana

Jana is a still natural mineral water from the Sveta Jana spring near Zagreb; the brand points to its pH 7.1 and a 2:1 calcium to magnesium ratio. — as described by the brand

9.6/10Waterphile Score8/9 properties published

pH7.1 ideal 6.5–8.59.8
TDS277 mg/L ideal 225–500 mg/L9.8
Sodium1.8 mg/L ideal up to 20 mg/L10.0
Calcium63.8 mg/L ideal 36.7–80 mg/L · counts half9.7
Magnesium32 mg/L ideal 16.7–30 mg/L · counts half8.2
Sulfate7.2 mg/L ideal up to 248 mg/L10.0
Chloride2.9 mg/L ideal up to 250 mg/L10.0
NitrateNot published −0.1—
Bicarbonate381 mg/L ideal 30–396.6 mg/L · counts half10.0

Each bar is out of 10 for that property. Deductions: −0.1 for missing values, −0.1 for an undated analysis. Editorial score, not a health rating. How scores work →

Mineral FactsPer litre · 9 of 11 values published

Basics

7.1

Total dissolved solids dry residue 180°C

277 mg/L

Minerals

Calcium

63.8 mg/L

Magnesium

32 mg/L

Sodium

1.8 mg/L

Potassium

0.6 mg/L

Other dissolved substances

Bicarbonate

381 mg/L

Sulfate

7.2 mg/L

Chloride

2.9 mg/L

Nitrate (NO₃)

—

Silica

—

— Not published by the brand · we never estimateSource: jana-water.com – Jana glass, '1 L contains' (undated); pH from 'The mineral composition of Jana' · checked 2026-10-26

Official: Ca 63.8, Mg 32, Na 1.8, K 0.6, HCO3 381, SO4 7.2, Cl 2.9, F 0.02, mineralisation 494, evaporation residue 180 °C 277, H2SiO3 4.8 mg/L; pH 7.1. Mineralisation (sum of ions) not used as TDS. Silica is published as H2SiO3, not SiO2, so not stored as silica.

How it stands out

Sodium is 1.8 mg/L, under the 20 mg/L level the UK/EU uses for “suitable for a low-sodium diet” on natural mineral water labels.

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)
Suitable for a low-sodium diet (sodium < 20 mg/L)

Taste notes

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

9.6/10

From the brand’s published mineral values. How it works

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Similar waters

Computed from published numbers only: the waters whose mineral values are closest to Jana’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	Sveta Jana spring, Gorica Svetojanska, Croatia
Country	Croatia · all waters from Croatia
Water type	Natural mineral water · what this means
Still or sparkling	Still
Data source	jana-water.com – Jana glass, '1 L contains' (undated); pH from 'The mineral composition of Jana' Last checked 2026-10-26

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 Jana website for stockists. Retailer and price links are coming later.

Compare Jana 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.