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Germany

Spring

Grafenquelle Naturell

Mineral Content

TDS

1138

pH

Calcium

234

Magnesium

32

Sodium

54

Potassium

2

Silica

Bicarbonate

240

©2025 The Water Sensory Institute

Professional work informed by participation in AWWA, NSF joint committees, the Fine Water Society, and international water sensory competitions.

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