Knowledge article
About Liquid Rock
Bluewater's Swedish-sourced mineral concentrate — calcium/magnesium 2:1, no sodium, scale-free.
Liquid Rock is Bluewater's mineral concentrate that adds calcium and magnesium back to purified water, producing stable, great-tasting, scale-free water for drinking, cooking and coffee.
Composition
- Calcium and magnesium in a 2:1 ratio.
- No added sodium.
- Food-grade, sourced from Swedish minerals.
- Engineered for optimal coffee extraction, hydration, and equipment protection.
Key benefits
- Enhances flavour, mouthfeel and extraction balance.
- Provides essential minerals without added salt.
- Prevents limescale formation under heat — protects coffee machines, kettles and dishwashers.
- Repeatable water quality across multiple locations.
- One sealed container yields hundreds of litres of mineralised water.
How it works
The Bluewater Control Box regulates dosing based on tank levels and water demand. Mineralisation occurs after purification, allowing adjustable profiles (Light, Medium, Bold) on capable systems.
Updated dosage profiles
Calcium and magnesium delivered at each preset, plus the volume of mineralised water produced from 1 L of Liquid Rock concentrate.
| Parameter | Updated Dosage L (1.5 mL/L) | Updated Dosage O (2.0 mL/L) | Updated Dosage M (2.5 mL/L) | Updated Dosage B (4.5 mL/L) |
|---|---|---|---|---|
| Calcium (mg/L) | 9.0 | 12 | 16.5 | 26.5 |
| Magnesium (mg/L) | 4.5 | 6 | 8.2 | 13.2 |
| 1 L produces | ≈ 667 L | ≈ 500 L | ≈ 400 L | ≈ 222 L |
Handling
- Sealed containers — easy replacement, hygienic by design.
- Store at room temperature, away from direct sunlight.
- Air purge available via the dosing-pump button.
Compatible systems
- Kitchen Station
- Café Station
- Spirit + Control Box
- Pro + Control Box