Concentrated liquid calcium supplement great for reef aquariumsBio-available calcium helps ensure healthy coral growthBuffered reef supplement also helps maintain aquarium pHConcentrated calcium solution produces stronger skeletons for better coral growth. Vitamin D fortified Calcium Concentrate contains over 100,000 mg/L of calcium in a biologically available form. No-mix solution means no chalky residue like some powdered calcium formulations. Buffered to help maintain proper pH in reef and marine aquariums. 16 oz of Calcium Concentrate plus Buffer treats up to 2,360 gallons; 64 oz treats up to 9,440 gallons. Shake well before use.Suggested use: Add 1-2 capfuls (7-14 ml) per 50 gallons of water 1 to 2 times per week. Each 7 ml capful restores 3.5 ppm of calcium.Please click on "More Information" for recommended dosage and ingredients.

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