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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. Kent Marine Tech M 64 oz.

    Kent Marine Tech M 64 oz.

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    Byropsis algae causes too much problems to reef keepers and marine hobbyists. As a solution, you should try this highly effective Kent Marine Tech M. This is the only product that actually removes bryopsis algae from aquariums and...
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    $21.99
  2. Kent Marine Essential Elements 8 oz.

    Kent Marine Essential Elements

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    Description: Kent Marine Essential Elements replaces biologically important trace minerals which are removed by marine fish and invertebrates, and removed through protein skimming, ozone, and especially carbon filtration. Design...
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    $6.80
  3. Kent Marine Chroma Plex 64 oz.

    Kent Marine Chroma Plex 64 oz.

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    Description: ChromaPlex is a unique blend of aquacultured, naturally-occurring phytoplankton Particles range in size from 5 to 25 microns, providing a broad range for filter-feeding marine invertebrates Contains essenti...
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    $39.59
  4. Kent Marine Coral Accel 8 oz.

    Kent Marine Coral Accel

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    Description: Kent Coral Accel is a Hard & Soft Coral Growth Stimulator It provides complex proteins which provide a natural source of necessary amino acids that spur coral tissue growth Contains rich marine lipids ...
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    $6.99
  5. Kent Marine Tech I 64 oz.

    Kent Marine Tech I 64 oz.

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    Use the Kent Marine Tech I 64oz from Pet Store for your aquarium. This efficient formula is used to provide free iodide to supply the needs of your water creatures. This helps hard corals to prevent bleaching caused by the chang...
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    $30.99
  6. Kent Marine Liquid Calcium 8 oz.

    Kent Marine Liquid Calcium

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    Description: Concentrated Liquid Calcium provides bio-available calcium 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 b...
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    $7.99
  7. Aquarium Pharmaceuticals Stress Zyme 64oz

    Aquarium Pharmaceuticals Stress Zyme 64oz

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    Improves the development of the biological filter and helps clean a dirty aquarium. Contains over 300 million live bacteria per teaspoonful. Breaks down organic compounds that cause dangerous conditions such as ammonia and nitrite...
    ON SALE

    Was: $29.99

    $23.99

  8. Kent Marine Pro Buffer dKH 64 oz.

    Kent Marine Pro Buffer dKH 64 oz.

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    You can be confident that you have established a suitable living environment for your fish by simply pouring in a regular dose of the Kent Marine Pro Buffer DKH from Pet Store . This is available in a sixty-four - ounce bottle, w...
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    $22.99
  9. Kent Marine Tech CB Part A 16 oz.

    Kent Marine Tech CB Part A

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    Description: Each of Tech•CB Part A and Part B is half of a ionically balanced, complete calcium and alkalinity control system for all marine aquariums. When used simultaneously in equal amounts the system will raise both the ca...
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    $8.83
  10. Kent Marine Essential Elements 64 oz.

    Kent Marine Essential Elements 64 oz.

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    A natural and healthy marine environment is found, of course, in the sea. Saltwater is full of the important minerals and elements fish and corals need for their survival. However, the tap water used for aquariums is so unlike sal...
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    $31.99

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