Calcium chloride dihydrate 1kg Quality Level: pure sup to 99.0%, stearate, USP, JP 14, FCC, E 509. Calcium chloride dihydrate (CaCl2 x 2H2O) is used for simple, great value, contemporary supply of sea water aquarium with constantly consumed calcium ions by Balling. Quick Start Guide for the Balling Method: Dissolve 357.5 g they Calcium chloride dihydrate,...