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Coffee Rock® Mineral Extract, 2 fl oz
Coffee Rock® is a flavor first mineral extract for specialty coffee. A 6:1 magnesium to calcium ratio built to lift sweetness, brightness, juiciness and clarity while supporting body and mouthfeel. Zero chloride and zero carbonate, so it will not scale or corrode your equipment. How to use 1.5 to 4.5 mL per liter of RO or demineralized brew water. Light roasts and washed coffees sit near 1.5 to 2.5 mL/L, medium roasts 2.0 to 3.0 mL/L, dark roasts and Arabica/Robusta blends 3.5 to 4.5 mL/L. One bottle makes About 13 to 39 liters (3.5 to 10 gallons) of brew water, depending on dose. Details 6:1 magnesium to calcium ratio Zero chloride, zero carbonate Aligned with SCA brewing water recommendations For RO or demineralized water 2 fl oz (59 mL) glass bottle with glass dropper
$39

Liquid Rock® Swedish Mineral Extract, 2 fl oz
Liquid Rock® is Bluewater's Swedish mineral extract: a balanced 2:1 calcium to magnesium concentrate that turns purified water into clean tasting mineral water. The 2 fl oz dropper is the same concentrate Bluewater doses into its stations, in a size you can keep on the counter or in a bag. How to use About 2.5 mL, roughly half a dropper, per liter of purified or reverse osmosis water. Use more for a bolder mineral profile, less for a lighter one. One bottle makes About 23 liters (6 gallons) of mineralized water at the standard dose. Details Swedish sourced minerals Balanced 2:1 calcium to magnesium ratio For purified, distilled or reverse osmosis water 2 fl oz (59 mL) glass bottle with glass dropper
$39

Liquid Rock™ Swedish Electrolyte Minerals
Liquid Rock™ is Bluewater's proprietary Swedish mineral electrolyte solution that transforms purified water into premium mineralized water. Produced in Sweden, it delivers a 2:1 calcium-to-magnesium ratio. Key benefits: Swedish-sourced minerals 2:1 calcium-to-magnesium ratio Consistent mineral dosing in every glass Three customizable taste profiles: Light, Original, and Bold Compatible with Bluewater Kitchen Station 1™ and mineralizers One liter of Liquid Rock™ makes about 400 liters of mineralized water on the Original setting — so a 1 L bottle goes about 400 liters and a 5 L about 2,000. Light gives roughly 667 liters per liter and Bold about 222, so how long a bottle lasts depends on your taste setting and how much you drink.
$1,099