Additives & Supplements
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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Seachem Laboratories Reef Advantage Magnesium - 300 Grams
$5.09SeaChem Reef Advantage Magnesium ™ is a concentrated (80,000 ppm) optimized blend of magnesium, chloride, and sulfate salts designed to restore depleted levels of magnesium with minimal impact to the ionic ratios found in natural ... Learn More -
Seachem Laboratories Reef Builder
Price From: $2.99Use the Seachem Reef Builder Pet Store in your tank if you want to raise the carbonate alkalinity of your water. Tested and guaranteed, this liquid solution is ideally created to increase carbonate alkalinity in you reef tank. I... Learn More -
Kent Marine Turbo Strontium 300 g
$16.59Is the aquatic life in your aquarium looking drab and less colorful? People, especially those who like to study reef environments, often put corals, algae, snails, clams and other aquatic life forms with hard shells in their aquar... Learn More -
Continuum Aquatics Reef-Basis Potassium Dry Form
Price From: $14.18Reef•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... Learn More -
Continuum Aquatics Reef-Basis Magnesium Dry Form - 300 grams
$11.24Reef•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 ... Learn More -
Seachem Laboratories Acid Buffer - 300 Grams
$6.29When it comes to maintaining aquariums, the greatest problems that you will face are often with the water, regardless if you use fresh or saltwater. If these issues are not addressed properly and immediately, it will give way to t... Learn More -
Seachem Laboratories Reef Advantage Magnesium
Price From: $5.09SeaChem Reef Advantage Magnesium ™ is a concentrated (80,000 ppm) optimized blend of magnesium, chloride, and sulfate salts designed to restore depleted levels of magnesium with minimal impact to the ionic ratios found in natural ... Learn More -
Seachem Laboratories Reef Builder - 300 Grams
$5.99Use the Seachem Reef Builder Pet Store in your tank if you want to raise the carbonate alkalinity of your water. Tested and guaranteed, this liquid solution is ideally created to increase carbonate alkalinity in you reef tank. I... Learn More -
Kent Marine Turbo Strontium
Price From: $16.59Description: TURBO STRONTIUM provides bio-available strontium for lush growth of purple, pink and green calcareous algaes, snails, hard tube worms and clams. Corals will open more and stay attached to their skeletons better, wit... Learn More -
Continuum Aquatics Reef-Basis Potassium Dry Form - 300 grams
$14.18Reef•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... Learn More