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Additives & Supplements

Aquarium Supplies

Fish Additives & Supplements

We carry a wide variety of additives produced by the most respected companies serving the aquarium hobby, such as Kent Marine, E.S.V., Seachem and Two Little Fishies. 2-part Calcium and Alkalinity Supplements are popular additives among reef keepers since calcium and alkalinity tend to deplete quickly in a reef aquarium.

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  1. Continuum Aquatics Reef-Basis Sustain Triple Timed Release Iodine Liquid Supplement - 250 ml

    Continuum Aquatics Reef-Basis Sustain Triple Timed Release Iodine Liquid Supplement

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    Reef•Basis SustainTM Iodine Supplement Description: Iodine Supplement for Marine Aquariums Features: • Triple Sustained Release Iodine System for Marine Reefs • Provides Continuous Iodine Levels For About a Week or More...
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    $7.99
  2. Continuum Aquatics Reef-Basis KH Alkalinity Boosting Buffer - 250 grams

    Continuum Aquatics Reef-Basis KH Alkalinity Boosting Buffer - 250 grams

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    Reef•Basis KH Buffer Description: Dry pH & KH control system for Marine Aquariums Features: • Professional Alkalinity Booster, with pH Control • Fast Dissolving, Raises KH in Marine & Reef Aquariums • True Multi-Comp...
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    $7.49
  3. Continuum Aquatics Reef-Basis Calcium Concentrated Liquid Supplement - 500 ml

    Continuum Aquatics Reef-Basis Calcium Concentrated Liquid Supplement - 500 ml

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    Reef•Basis Calcium Description: Calcium Supplement for Marine Aquariums Features: • Provides bioavailable calcium for corals and other invertebrates • Phosphate, Nitrate & Silicate Free • Contains no acetates, gluco...
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    $10.49
  4. Continuum Aquatics Reef-Basis Sustain Triple Timed Release Iodine Liquid Supplement - 2 Liters

    Continuum Aquatics Reef-Basis Sustain Triple Timed Release Iodine Liquid Supplement - 2 Liters

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    Reef•Basis SustainTM Iodine Supplement Description: Iodine Supplement for Marine Aquariums Features: • Triple Sustained Release Iodine System for Marine Reefs • Provides Continuous Iodine Levels For About a Week or More...
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    $29.99
  5. Continuum Aquatics Coral Exponential Tissue Growth Accelerator - 250 ml

    Continuum Aquatics Coral Exponential Tissue Growth Accelerator - 250 ml

    Coral Exponential Description: Coral Growth Accelerator & Amino Acid Complex Features: • Coral growth accelerator & amino acid complex • Encourages new coral tissue growth and increased coloration • Particularly usef...
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    $7.99
  6. Continuum Aquatics Reef-Basis Potassium Dry Form - 300 grams

    Continuum Aquatics Reef-Basis Potassium Dry Form

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    Reef•Basis Potassium Description: Dry Potassium Supplement for Marine Aquariums Features: • Provides bioavailable potassium for corals and other invertebrates • Phosphate, Nitrate & Silicate Free • Contains no ace...
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    $13.99
  7. Continuum Aquatics Clarion Marine Water Clarifier - 250 ml

    Continuum Aquatics Clarion Marine Water Clarifier

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    Clarion Marine Description: Clarifier & Cloudy Water Controller Features: • Technologically advanced clarifier & cloudy water controller • Flocculates dirt, bacteria, parasites and other debris • Contains no alumin...
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    $5.99
  8. Continuum Aquatics Reef-Basis Magnesium Dry Form - 600 grams

    Continuum Aquatics Reef-Basis Magnesium Dry Form - 600 grams

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    Reef•Basis Magnesium Description: Dry Magnesium Supplement for Marine Aquariums Features: • Provides bioavailable magnesium for corals and other invertebrates • Helps maintain pH and KH control in marine aquariums ...
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    $13.49
  9. Continuum Aquatics Reef-Basis Strontium Concentrated Liquid Supplement - 500 ml

    Continuum Aquatics Reef-Basis Strontium Concentrated Liquid Supplement - 500 ml

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    Reef•Basis Strontium Description: Strontium Supplement for Marine Aquariums Features: • Provides bioavailable strontium for corals and other invertebrates • Contains no acetates, gluconates, or polygluconates ...
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    $10.49
  10. Continuum Aquatics Coral Elements-N Vitamins & Micronutrients for Live Corals - 125 ml

    Continuum Aquatics Coral Elements-N Vitamins & Micronutrients for Live Corals - 125 ml

    Coral Elements•N Description: Vitamin & Trace Mineral Supplement for Corals Aquariums & Reefs Features: • Provides bioavailable vitamins & micronutrients for live corals • Accelerates coral growth • Replaces minera...
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    $6.49

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