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Caxambu

Caxambu is the historic spa water of Caxambu in southern Minas Gerais; the still water comes from the Mayrink III spring and the naturally sparkling one from Mayrink I and II. — as described by the brand

7.3/10Waterphile Score9/9 properties published

pH5.05 ideal 6.5–8.52.5
TDS31.46 mg/L ideal 225–500 mg/L5.0
Sodium1.498 mg/L ideal up to 20 mg/L10.0
Calcium2.454 mg/L ideal 36.7–80 mg/L · counts half5.0
Magnesium0.453 mg/L ideal 16.7–30 mg/L · counts half5.0
Sulfate0.3 mg/L ideal up to 248 mg/L10.0
Chloride0.06 mg/L ideal up to 250 mg/L10.0
Nitrate0.43 mg/L ideal up to 10 mg/L10.0
Bicarbonate16.81 mg/L ideal 30–396.6 mg/L · counts half5.8

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 →

Mineral FactsPer litre · 10 of 11 values published

Basics

5.05

Total dissolved solids dry residue 180°C

31.46 mg/L

Minerals

Calcium

2.45 mg/L

Magnesium

0.45 mg/L

Sodium

1.5 mg/L

Potassium

2.46 mg/L

Other dissolved substances

Bicarbonate

16.81 mg/L

Sulfate

0.3 mg/L

Chloride

0.06 mg/L

Nitrate (NO₃)

0.43 mg/L

Silica

—

— Not published by the brand · we never estimateSource: minasbev.com.br, Caxambu: label table for sources Mayrink I, II and III (no analysis date given) · checked 2026-10-26

Producer table, still water (Mayrink III, the only source without free CO2): pH 5.05 (25 °C), 24.5 °C at source, conductivity 38.7 µS/cm, dry residue at 180 °C 31.46 mg/L, radioactivity 37.27 maches; bicarbonate 16.81, lithium 0.005, sodium 1.498, calcium 2.454, potassium 2.46, chloride 0.06, magnesium 0.453, sulfate 0.3, strontium 0.101, fluoride 0.06, barium 0.187, nitrate 0.43 mg/L. The sparkling line comes from Mayrink I/II (pH about 5.1, dry residue 85–89 mg/L, free CO2 847–923 mg/L); those values are in the research file. No analysis date published.

How it stands out

Sodium is 1.5 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.

Very low mineral content (fixed residue ≤ 50 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 Caxambu 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

7.3/10

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 Caxambu’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	Fonte Mayrink III, Parque das Águas, Caxambu, Minas Gerais, Brazil
Country	Brazil · all waters from Brazil
Water type	Natural mineral water · what this means
Still or sparkling	Still
Data source	minasbev.com.br, Caxambu: label table for sources Mayrink I, II and III (no analysis date given) 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 Caxambu 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.