Volvic

Specialist pick

Diagnosis

Estimated TDS: 103 mg/L

100

/ 100 Smooth but flat

HCO₃⁻ Neutralizes coffee's natural acidity. Low = brighter, more acidic cup; high = rounder, more muted acidity. 71 mg/L (ideal 40–75 mg/L) ideal

Ca²⁺ Binds to extracted compounds and helps carry body — gives the cup roundness and depth. 12 mg/L (ideal 10–30 mg/L) ideal

Mg²⁺ Has a strong affinity for acidic and fruity compounds, pulling out brighter, livelier notes. 8 mg/L (ideal 3–10 mg/L) ideal

Na⁺ In excess, adds a faint salty edge that can flatten sweetness. 12 mg/L (ideal 0–10 mg/L) high

K⁺ Real but subtle and under-studied effect — some baristas associate it with a touch more perceived sweetness. Low weight in the score. – mg/L (ideal 0–10 mg/L) –

SO₄²⁻ Tends to sharpen acidity and add a drying finish: more brightness, less body. – mg/L (ideal 0–25 mg/L) –

Cl⁻ Tends to round out sweetness and body. – mg/L (ideal 0–30 mg/L) –

Body × perceived acidity

Reading

Overall mineralization sits in a healthy window for extraction — neither starved nor saturated.

Alkalinity is in a balanced range, neutralizing just enough acidity to avoid sourness without erasing brightness.

Calcium and magnesium sit in a range that supports roundness and body without overwhelming the cup.

Overall: this water is an excellent match for pour-over — brew with confidence.

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Heuristic model inspired by ranges discussed by the SCA and specialty roasters. Not an official lab report — think of it as a starting point; your palate has the final word.