water analysis · still · France

cristaline source saint-martin

carrefourleclercauchanmonoprix

thtotal hardness

215 ppm

0258 ppm

alkalkalinity

119 ppm

0165 ppm

ions

Ca 68 mg/LMg 11 mg/LHCO₃ 145 mg/LNa 21 mg/L

estimated

suitable for

Filter / Pour-Over0/100

Sodium high (21 mg/L) – can taste flat

Espresso14/100

Too hard (215 ppm) – scaling risk, dull taste

AeroPress / Moka0/100

Too hard (215 ppm) – scaling risk, dull taste

Cold Brew0/100

Too hard (215 ppm) – scaling risk, dull taste

Cristaline Source Saint-Martin is a poor fit for Espresso (14/100) — hardness or alkalinity sit well outside the target zone.

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