Tropic Marin - Carbo-Calcium Powder Calcium & Alkalinity Additive

★★★★★ 4.8 15 reviews

US$46.90
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Management number 235216216 Release Date 2026/07/02 List Price US$46.90 Model Number 235216216
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Tropic Marin® Carbo-Calcium Powder – Ultra-Concentrated All-in-One Supplement

Tropic Marin® Carbo-Calcium Powder is a highly concentrated, pharmaceutical-grade supplement designed to provide both calcium and alkalinity in a single, balanced solution. Unlike traditional two-part dosing systems that can lead to an accumulation of sodium chloride and a drift in salinity, Carbo-Calcium utilizes an organic calcium salt that is fully metabolized by the aquarium’s inhabitants. This process provides the essential building blocks for coral calcification without altering the ionic balance or pH stability of the system, making it one of the most efficient and cleanest methods for mineral replenishment.

Maximum Efficiency & Ionic Purity

Carbo-Calcium Powder allows reef keepers to maintain critical parameters with a single, easy-to-manage solution.

  • Balanced Mineral Delivery: Delivers calcium and carbonates in the exact ratio required by stony corals (SPS/LPS) and coralline algae.

  • No Salinity Increase: Because the organic carrier is fully consumed by the biology of the tank, it does not leave behind excess sodium or chloride, preventing the slow rise in salinity common with other products.

  • Maintains pH Stability: Formulated to support a stable pH environment, reducing the fluctuations that can stress sensitive reef inhabitants.

  • Ultra-High Yield: In its powder form, this supplement is incredibly cost-effective; a single 700g tub can create a solution that provides 140,000 mg of calcium.

  • Pharmaceutical-Grade Purity: Free from nitrates, phosphates, and heavy metals, ensuring that you are only adding pure minerals to your reef.

    Technical Dosing Data

    Parameter Yield (Per 700g Tub)
    Calcium (Ca2+) ~140,000 mg
    Alkalinity (dKH) ~20,000°
    Concentration (Liquid)

    100ml of solution = 4,000 mg Calcium & 560° dKH

    FAQ Section: Common Questions

    • How do I mix the powder?

      Dissolve 6 level scoops (approx. 140g) of Carbo-Calcium Powder into 1 Liter of RO/DI water to create a liquid stock solution. Stir or shake until the powder is completely dissolved.

    • What is the recommended starting dose?

      Start with a daily dose of 5 ml of the mixed solution per 100 L (26 US gal) of aquarium volume. Monitor your alkalinity levels and increase the dose by 2.5 ml daily until you reach your target dKH.

    • Is there a maximum dose?

      Do not exceed a daily dose of 25 ml of solution per 100 L. Exceeding this can lead to oxygen depletion due to the biological breakdown of the organic carrier.

    • Can I use this with a dosing pump?

      Yes. Once mixed into a liquid solution, Carbo-Calcium is perfectly suited for use with automatic dosing pumps, providing a hands-off approach to mineral maintenance.

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