Kirkland SignatureSpring Water
B· Partial disclosureSpring · Protected US springs
TDS
90 mg/L
pH
7
Price per liter
$0.40/L
Disclosure grade B — Partial disclosure
This brand publishes some numbers or ranges in official reports, but not a complete analysis — gaps below are the brand's choice, not ours.
Mineral profile
| Analyte | mg/L |
|---|---|
| Calcium (Ca²⁺) | Not disclosed |
| Magnesium (Mg²⁺) | Not disclosed |
| Sodium (Na⁺) | Not disclosed |
| Potassium (K⁺) | Not disclosed |
| Bicarbonate (HCO₃⁻) | Not disclosed |
| Sulfate (SO₄²⁻) | Not disclosed |
| Chloride (Cl⁻) | Not disclosed |
| Silica (SiO₂) | Not disclosed |
| Fluoride (F⁻) | Not disclosed |
| Nitrate (NO₃⁻) | Not disclosed |
“Not disclosed” means the brand does not publish this value — that absence is itself a data point.
Packaging
PET plastic · 500 mL
~$0.20 typical retail for 500 mL
Provenance
Official WQR; varies by sourceLast verified 2026-07-17
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