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II · Alkaline water
Black Water
Naturally alkaline. Deep-mineral, crisp, unmistakable.
From a high-mountain spring in the north-western Himalaya, where the water runs through gneiss and ancient basalt and gathers its minerals on the way. Natural alkalinity gives it a clean, crisp finish.
Inclusive of all taxes
Delivered across India, usually within one to two weeks. We call to confirm every order, and any delivery charge, before it is dispatched. Nothing is charged online.
- Naturally alkaline: pH 8.0 to 9.5, TDS 200 to 300 ppm.
- Mineral-rich, from gneiss and ancient basalt.
- Swing-top glass, a clear 500 ml can, or a box of six cans.
Specification
| Format | Volume | Pack | MRP |
|---|---|---|---|
| Swing-top glass bottle | 700 ml | Single | ₹999 |
| Swing-top glass bottle | 700 ml | Case of 6 | ₹5,994 |
| Clear can | 500 ml | Single | ₹299 |
| Clear can | 500 ml | Box of 6 | ₹1,499 |
- Target pH
- 8.0 to 9.5
- Target TDS
- 200 to 300 ppm
- Source
- North-western Himalaya, 2,000 to 2,500 m
- Bottled
- Our plant near Kempegowda International Airport, Bengaluru
- Batch
- A batch and lot code on every pack
- Glass bottle
- Clear glass with a swing-top stopper, wire bail and seal
- Can
- Clear body with an aluminium lid and pull tab
- Box of six
- Matte black carton with a carry handle and a window
- Shelf life
- 18 to 24 months, stored cool and out of the sun
pH and TDS are target specifications. Every batch is measured before it is released.
The water
In the shadow of craggy peaks, a hidden spring runs clear and cold through rock laid down by ancient lava flows. The stone gives the water its minerals and its natural alkalinity, pH 8.0 to 9.5. We bottle it cold to keep that character, in a swing-top glass bottle for the table and a clear 500 ml can for everywhere else.
At the plant it passes through sand and activated carbon, micron filters and a reverse-osmosis membrane, has its minerals balanced to this water’s profile, and is disinfected with ozone and ultraviolet light before it is filled in a clean room. The batch report is available on request.
Serving
Serve cold, at 6 to 8 °C, in a tall glass. The swing-top reseals between pours.
Delivery and care
Delivered across India, usually within one to two weeks. We call to confirm every order, and any delivery charge, before it is dispatched. If anything arrives damaged, write to hello@onyxaura.in with your order number and a photograph, and we will put it right.
Ordering for a venue, a cabin or an event? Write to us.
Where it begins
A high mountain valley.
In the shadow of craggy peaks, a hidden spring runs clear and cold through rock laid down by ancient lava flows. The stone gives the water its minerals and its natural alkalinity, pH 8.0 to 9.5. We bottle it cold to keep that character, in a swing-top glass bottle for the table and a clear 500 ml can for everywhere else.
The flow is checked at dawn, while the mist still sits in the valley.
- Region
- North-western Himalaya
- Altitude
- 2,000 to 2,500 m
- Terrain
- Gneiss and basalt bedrock, mixed rocky forest
- Climate
- Around 8 °C on average, with summer monsoon and winter snow
Target pH
Where it sits.
Black Water is specified at pH 8.0 to 9.5. Move along the scale to see where the other waters sit.
Mineral content (TDS)
Soft, by design.
Total dissolved solids, in parts per million. Tasting panels rate water under 300 ppm as excellent.
Target specifications. Each batch is measured and recorded before release.


