Single source · USA

Proud Source

Mackay, Idaho, spring at the base of Mount McCaleb / Rocky Mountains

A soft, naturally alkaline Idaho mountain spring, calcium and bicarbonate kept at conversational volume. Canned in aluminium with a conscience.

Mineral analysis

TDS220mg/L total dissolved solids

Still, light, calcium-crisp with a soft, round finish.

Cation
Ca / MgNa
Anion
HCO₃SO₄ · Cl
Magnesium15 mg/L
smooth & easy
Silicanot published
Sodium5.2 mg/L
low-sodium · under the 20 mg/L diet line

Verified · official analysis ↗

  • clean and rounded
  • soft alkaline finish
  • faint mineral sweetness

Proud Source is a still water from USA with 220 mg/L total dissolved solids and carries 45 mg/L calcium, 15 mg/L magnesium and 5.2 mg/L sodium (published analysis).

Very well protected · closest in profile to Acqua Panna.

Type · The Minimalist

Find it in: Low sodium · Baby safe · Light

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Common questions

What does Proud Source taste like?
Proud Source is a still water, light-bodied, clean and crisp, closing on a soft, round finish. It belongs to the Minimalist type in our sixteen-part typology, and the house tasting notes run clean and rounded, soft alkaline finish and faint mineral sweetness. Its pH is alkaline, which on the palate reads as silky, slightly bitter.
Is Proud Source good for you?
Proud Source is a regulated bottled water and safe to drink. The published analysis shows a lightly mineral water at 220 mg/L dissolved solids. Sodium sits at 5.2 mg/L, under the 20 mg/L line, so it suits a low-sodium diet.
What minerals are in Proud Source?
Proud Source carries calcium 45, magnesium 15, sodium 5.2 and potassium 0.09 mg/L over bicarbonate 177, sulfate 32 and chloride 5 mg/L. Calcium leads the mineral profile with bicarbonate the main anion, at 220 mg/L total dissolved solids.
How much sodium is in Proud Source?
Proud Source carries 5.2 mg/L of sodium. That is under the 20 mg/L line, low enough to suit a low-sodium diet.
Is Proud Source hard or soft water?
By its calcium and magnesium, Proud Source works out to 173 mg/L as calcium carbonate, which counts as hard water. That is the middle of the range, enough body to taste without heavy scale.
Is Proud Source alkaline or acidic?
Yes. Proud Source has a published pH of 7.82, on the alkaline side of neutral, where it drinks silky, slightly bitter. That comes from bicarbonate-rich geology rather than any additive.
Can you use Proud Source for baby formula?
On its published numbers, Proud Source clears the German infant-formula limits of sodium under 20, nitrate under 10 and sulfate under 240 mg/L, at sodium 5.2, nitrate 1.73 and sulfate 32 mg/L. Still boil and cool any water before mixing formula, and take feeding advice from your pediatrician rather than a water site.
Is Proud Source still or sparkling?
Proud Source is a still water, bottled without carbonation.
Where does Proud Source come from?
Proud Source comes from Mackay, Idaho, spring at the base of Mount McCaleb / Rocky Mountains in the USA, a single source.
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