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Tropic Marin

Carbo-Calcium Liquid Calcium & Alkalinity Additive - Tropic Marin

Grouped product items
Product Name Qty
500mL Carbo-Calcium - Tropic Marin

SKU: 211781

In stock


Earn 18 Reward Points

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1000mL Carbo-Calcium - Tropic Marin

SKU: 211782

In stock


Earn 33 Reward Points

- +

    Concentrated Calcium & Alkalinity for Advanced Reefers!

    Tropic Marin Carbo-Calcium contains a balanced ratio of calcium and carbonate (alkalinity) in a single solution. Traditionally two or more solutions are required but Carbo-Calcium relies on biological processes to release calcium and carbonate from a single liquid without the worry of precipitation or oxygen depletion. There are no by-products or unwanted excess CO2, phosphates, nitrates, or other pollutants while keeping a stable pH.

    • No mixing required
    • Single solution for calcium & alkalinity
    • Maintains proper ionic balance
    • Doesn't increase salinity (no sodium chloride)
    • Suitable for all size aquariums
    • No byproduct formation
    • Suitable for all types of corals
    • Easy to use 
    • Dosing pump ready


    Two Sizes Available:

    • 500mL
    • 1000mL



    Starting with a daily dose of 5 ml of Carbo-Calcium liquid solution per 100 liters (26 gallons) of total system volume. Increase the daily dose by monitoring the alkalinity. Increase the dose by 2.5 ml per 100 liters until a constant alkalinity of 7-9 dKH is achieved. 


    Maximum daily dose - 25 ml of Tropic Marin Carbo-Calcium per 100 liters.


    Tropic Marin Carbo-Calcium Contains: (per 1000 mL)

    • 40,000 Calcium
    • 5,600 dKH
    More Information
    Product Name Carbo-Calcium Liquid Calcium & Alkalinity Additive - Tropic Marin
    SKU CarboCalcium - Tropic Marin
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