Aquavitro’s new Salinity salt is aimed at the natural seawater parameter (NSW) crowd. Aquavitro is Seachem’s new brand that is aimed at the advanced aquarist. Many of the products are improvements or spin offs from the original Seachem line. Salinity salt mix is no different. Seachem gaurantees that Salinity contains ”everything you want in a salt and nothing you don’t.” Using EPA Standard Method 6010 Salinty is guranteed to mix at: 8.8 pH 9.8 dkH 1265 ppm Magnesium 437 ppm Calcium 383 ppm Potassium