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ME Calcium – Quart


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MECoral 32oz Calcium (Ca) is ready to use.  MECoral uses only Pharmaceutical grade ingredients to achieve the highest quality, highest purity, and highest concentration possible.  It is ammonia, phosphate, and nitrate free. This makes our Calcium crystal clear with no residual impurities.

Treat your corals kindly.

In stock (can be backordered)



Calcium (Ca) along with Alkalinity (Kh) get consumed by corals daily.  This consumption needs to be replaced to avoid corals losing color and growth.  Target range for Ca is 400-450 ppm.  Test often with a quality test kit.  Liquid calcium is typically added with a dosing pump as part of a 2-part dosing system; although manual additions are effective.  Once target levels are attained individually, Ca and Kh (alkalinity) need to be added in equal parts for daily maintenance.  For best results, MECoral Calcium is designed to be used in conjunction with MECoral Alkalinity.

Quick guide: To increase Ca 10 ppm (400-410) in 100 gallons of aquarium water, add 100 ml or 3.4 fl oz.

Ingredients:  Pharmaceutical grade USP Calcium Chloride Dihydrate Powder, RODI Water

Caution:  Not for Human Consumption, Keep away from Children and Pets.  If swallowed, do not induce vomiting.  Drink water and call your doctor.



  1. David

    Love this stuff!

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