Sainsbury’s Caledonian
Sainsbury’s Caledonian is a spring water sourced from Perthshire, Scotland, and sold exclusively through Sainsbury’s as an own-brand product. The specific source location is not publicly disclosed. The product is classified as a spring water, not a natural mineral water.
Mineral composition
| mg/L | |
|---|---|
| Calcium | 18 |
| Magnesium | 4 |
| Sodium | 4 |
| Sulfate | 2 |
| Chloride | 7 |
| Bicarbonate | 32 |
Compositions can vary by season and source. Read our methodology.
Mineral character
Calcium is 18 mg/L, magnesium 4.4 mg/L, sodium 4 mg/L, sulphate 2 mg/L, chloride 7 mg/L, and bicarbonate 32 mg/L. Hardness is 63 mg/L as CaCO₃, placing it in the soft-water category. This is a notably light profile: bicarbonate is low at 32 mg/L and all other ions are minimal. The overall character reflects Scottish Highland geology.
Use-case suitability
- CoffeeUsed neat for Melbourne. Also appears in blends for Rao Ideal Coffee.
- TeaUsed neat for Chinese Green Tea and Japanese Green Tea.
- BrewingUsed neat for Pilsen.
- BakingNot used in any current baking recipe, but hardness 63 mg/L sits within the 46–390 mg/L range typical for these targets.
- AquariumUsed neat for Discus. Also appears in blends for Betta Splendens, Caridina Shrimp, Neocaridina Shrimp, and Planted Tank (CO2).
- HorticultureUsed neat for Orchids.
Used in these recipes
Betta Splendens
Freshwater tropical
80% in blend
UK
Caridina Shrimp
Freshwater shrimp
75% in blend
UK
Chinese Green Tea
Chinese Green Tea, CN
neat
UK
Discus
Amazon basin
neat
UK
Japanese Green Tea
Japanese Green Tea, JP
neat
UK
Melbourne
Melbourne, AU
neat
UK
Neocaridina Shrimp
Freshwater shrimp
75% in blend
UK
Orchids
Orchids, INTL
neat
UK
Pilsen
Pilsen, CZ
neat
UK
Planted Tank (CO2)
Freshwater planted
75% in blend
UK
Rao Ideal Coffee
Rao Ideal Coffee, XX
17% in blend
UK
Where to buy
UK
Sainsbury’s
£0.20-0.30 per litre
Available exclusively through Sainsbury’s stores in the UK. As of March 2026.