While every effort has been made to ensure this calculator displays accurate results, they are only an estimate. We cannot be held liable for any errors made by this calculator. Please double check before dosing if unsure. Net Actual Aquarium Water Volume: US Gallons Liters Calcium Kh/Alkalinity Magnesium Current Calcium: ppm Current Alk: dKh meq/lt ppm Current Mg: ppm Desired Calcium: ppm Desired Alk: Desired Mg: ppm Product: Pick a Product Reef Metabolics Calcium+ Product: Pick a Product Reef Metabolics Kh Buffer+ Product: Pick a Product Reef Metabolics Magnesium+ Dosage Required: Dosage Required: Dosage Required: Balanced Alkalinity is: Balanced Calcium is: Note: Note: Note: