primal seas calcium 500ml

Powerful Calcium Chloride Concentrated solution Purity min 99.5 % maintaining the calcium level is one of the most important aspects of coral reef aquarium husbandry. Maintaining Calcium at natural sea water levels improves growth of stony corals and calcareous algae’s such as coralline, and is used as the main skeletal building element for most marine invertebrates such as clams, snails etc You should aim to maintain a calcium level between about 380 and 450 ppm. 25ml increases 100 litres of aquarium water by 35 ppm 1 capful = 5ml It is not recommended to increase Calcium levels by more than 35ppm per day.