Salifert Calcium Profi Test Kit - 5187 eheim Easy to maintain through monthly

Easy to maintain through monthly rinsing in aged aquarium water

Innovative Filtration Design: Dual-segment filter sponge maintains beneficial bacteria while one segment is being cleaned or replaced

the Newa Jet NJ400 offers flexibility for a wide range of aquatic needs

and beneficial bacteria

Salifert Calcium Profi Test Kit - 5187 eheim Easy to maintain through monthlyCalcium is a major constituent of coralline algae, the skeletal material of hard corals and the skeletal needles of soft leather corals. In many cases too low a calcium concentration retards coral and coralline algae growth. Calcium also fulfils many important biological functions. In a healthy aquarium, the growth and multiplication of corals, calcareous algae and other organisms can result in calcium depletion. To maintain a stable environment it is