Fritz RPM - Reef Pro Mix Complete Marine Salt Complete professional marine salt mix for reef or fish only systems Contains all essential major minor and trace elements Enhanced buffer levels; reaches a stable pH shortly after mixing Enhanced calcium magnesium and potassium levels Nitrate- phosphate- and ammonia-free About Fritz RPM - Reef Pro Mix Complete Marine Salt Fritz RPM - Reef Pro Mix is manufactured using only the highest quality raw materials. Formulated by researchers and marine scientists RPM contains all of the necessary major and minor elements of natural sea water that are utilized by living marine and reef animals. Correct pH and buffering capacity essential minerals and trace elements have been added in precise ratios to ensure a correctly blended mix for the health and longevity of your livestock. Parameters: Salinity: 35 ppt (1.0264 sg) Calcium: 400-450 ppm Magnesium: 1300-1400 ppm Alkalinity: 8.0-9.0 dKH Strontium: 9 ppm Potassium: 400 ppm RPM parameters reflect Fritz Aquatics? QC p