API Aquarium Pharmaceuticals Calcium Test Kit

API Aquarium Pharmaceuticals Calcium Test Kit
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  • Item #: AP12069
  • Manufacturer: Aquarium Pharmaceuticals
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API Aquarium Pharmaceuticals Calcium Test Kit

This kit allows you to easily and accurately measure calcium levels and maintain a healthy reef aquarium. Uses titration method, with easy-to-see color change for precise measurement. Measures calcium levels as low as 20 mg/L. For saltwater aquariums.

 

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.

Why Test for Calcium?
Monitoring calcium levels is essential for keeping a successful reef aquarium. Reef organisms use calcium to build a calcium carbonate skeleton. Over time, as the calcium in the water is utilized, the calcium level will gradually drop. Calcium must be present for corals to grow. Even reef invertebrates such as crustaceans, mollusks, and encrusting algae, require calcium to grow and remain healthy. The calcium level drops as it is used by invertebrates or as it reacts with excess phosphate. Elevated phosphate precipitates calcium, rendering it unavailable to reef organisms. Phosphate enters the aquarium from tap water and as a byproduct of fish and invertebrate metabolism.

Directions for Testing Calcium:


Measures calcium levels as low as 20 mg/L.
Read thoroughly before testing. Do not allow test solution to get into aquarium.

To remove childproof safety cap: With one hand, push red tab left with thumb while unscrewing cap with free hand.

 

  1. Rinse a clean test tube with water to be tested.
  2. Fill the test tube to the line on the test tube with the water being tested.
  3. Holding the bottle vertically, add 10 drops of Calcium Test Solution #1 to the test tube, cap the test tube, and shake for 10 seconds.
  4. Shake calcium Test Solution #2 bottle vigorously for 10 seconds,
  5. Holding the bottle vertically, add Calcium Test Solution #2 drop by drop to the test tube until the solution changes from pink to the blue end-point.
  6. Be sure to count the drops added.
    • A pink color should form after the first drop.
    • If a blue color forms after the first drop, the calcium concentration is 20 mg/L or below.
  7. As the end point is approached, the color will usually change from pink to purple before finally changing to blue.
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