Northern Europe · WC-156

TAU

Bethania, Ceredigion / Wales, United Kingdom

About this water

TAU is a still and sparkling spring water from Bethania, United Kingdom. It is produced by Ty Nant Spring Water Ltd. It is bottled both still and sparkling. You'll find it in glass. It is not currently sold in the US.

Each liter carries 208 mg of dissolved minerals, which puts it in the low mineral class. Its largest ions are calcium (30.5 mg/L) and magnesium (12.2). Hardness works out to 126 mg/L as calcium carbonate. The label gives a pH of 7.2.

Source
TAU aquifer (separate bore from Ty Nant)
Source type
Spring
Style
Still & Sparkling
Producer
Ty Nant Spring Water Ltd
Packaging
Glass
In the US
Not currently sold in the US
Website
tynant.com

Expected from the chemistry

Soft and round; neutral.

Cellar note

Sister brand of Ty Nant; fine-dining glass.

On the map

52.27° N, 4.15° W (approximate)

See it on the globe

Typical analysis

Verified
208mg/L total dissolved solids · Low (50 to 500)
mg/L · bar length on a log scale
CalciumCa30.5
MagnesiumMg12.2
pH7.2
Hardness126
Ca:Mg2.5
Source: brand analysis, checked 2026-10-21.Hardness in mg/L as CaCO₃. Figures vary by batch and bottle format.

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