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  • API Fresh/Saltwater Calcium Test Kit
    Calcium is one of the most important elements in a reef aquarium. Reef invertebrates such as corals, crustaceans, mollusks and even some types of encrusting algae need calcium to grow and remain healthy. Over time, calcium levels drop as invertebrates use calcium in aquarium water. This kit allows y..
    $20.90 Ex Tax: $18.17
  • Salifert Calcium Test Kit
    Calcium is a major constituent of calcareous algae, skeletal material of hard corals and the skeletal needles of soft/leather corals. Calcium also fulfills many biological functions.Quite often a too low calcium concentration retards coral and calcareous algae growth.NSW contains 400 – 450 mg/L calc..
    $26.90 Ex Tax: $23.39