Calcium is required by fish, hard corals, urchins, 'feather dusters', algae etc.
Maintaining the correct calcium level will fortify teeth, bone and skeletal structure.
In addition, SeAquariums RepliCa⁺⁺ will remove soluble phosphates, a major cause of nuisance algae.

Dose:
1 tsp. per 90 litres (20 Imp. galls.)

Contents: 175g
Sufficient to raise 4,500 litres - 1000 galls by 10ppm