[superpozzy]

aveva interessato anche me..
quello è il sea salt, ma c'è anche il reef salt, apposta per la barriera
http://www.aquariumline.com/catalog/microbelift-reef-salt-secchiello14kg-sale-marino-qualita-farmaceutica-specifico-acquari-barriera-confezione-utile-litri-p-10700.html

queste sono le differenze.
SEA SALT
Alkalinity 2.90
Boron (ppm) 2.9
Calcium (ppm) 350
Chloride (ppm) 17,000
Copper (ppm) 0.0003
Iodide (ppm) 0.08
Magnesium (ppm) 1,250
Molybdenum (ppm) 0.113
pH @20.3 C 8.45
Potassium (ppm) 308
Sodium (ppm) 9,030
Strontium (ppm) 9.8
Sulfate (ppm) 2,180

REEF SALT
Alkalinity 2.90
Boron (ppm) 2.9
Calcium (ppm) 450
Chloride (ppm) 17,000
Copper (ppm) 0.0003
Iodide (ppm) 0.08
Magnesium (ppm) 1,350
Molybdenum (ppm) 0.113
pH @20.3 C 8.45
Potassium (ppm) 380
Sodium (ppm) 9,030
Strontium (ppm) 9.8
Sulfate (ppm) 2,180