Fritz Aquatics’ RPM Sea Salt mix is proven successful, being used in public zoos, research institutions and aquariums around the world. Fritz believes in the quality of each individual batch of RPM, and uses a method of production that involves creating intentionally small batches of salt mix at a time in order to ensure total control of each batch’s quality. Never outsourced and tested, Fritz carefully maintains the purity of each shipment of RPM, keeping a uniform particle size and preventing contamination issues. Reef Pro Mix provides you professional quality at a great personal value, and is an excellent addition to any reef aquarium owner’s toolkit.
Parameters of RPM (prior to being added to source water, which may greatly affect parameters):
- Salinity: 35 ppt (1.0264 sg)
- Calcium: 400 – 450 ppm
- Magnesium: 1350 – 1450 ppm
- Alkalinity: 8.0 – 9.0 dKH
- Strontium: 9 ppm
- Potassium: 400 ppm

![Fritz ProAquatics Reef Pro Mix Complete Marine Salt - 200 gal - [4 pk 50 gal]](https://petlifeproduct.com/modeqaf/2025/06/fritz_proaquatics_reef_pr_0-3.webp)
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