Calcium per pure 750g can

Calcium pro pure is pure calcium chloride It can either be used to prepare a stock solution or added directly to the aquarium. Prepare stock solution: Put 750g calcium per pure into a measuring cup and fill up to 2000ml with osmosis water. This solution then contains 135,000 mg/l calcium (Ca). Adding 7.4 ml of this stock solution increases the Ca content by about 10mg per 100 litres of aquarium water. Dose directly: 1 measuring spoon (approx. 6.5g) results in an increase in calcium content of approx. 24mg/l per 100 litres of aquarium water. Calcium content: 750 g calcium per pure (CaCl2) = 1000 g calcium chloride dihydrate (CaCl2 x 2 H2O)