LSI Calculator Remineraliser Bottle Calculator TDS ppm pH (at 25 °C) GH (from Ca) ppm°dH KH ppm°dH Temperature °C°F LSI 0 °C: 95 °C: 125 °C: GH KH Base water Custom Target water Custom Amount to make LitresGallons Recipe Hardness: Buffer: Water: Calcium (Ca) ppm (mg/L) Magnesium (Mg) ppm (mg/L) Bicarbonates (HCO3) ppm (mg/L) Hardness GH: KH: