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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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Kent Marine Tech I

Kent Marine Tech I

Description: Kent Marine Tech I is the most significant breakthrough in marine additive technology in the last five years! Although present in salt mixes, iodine is rapidly used up in the system, and removed through protein skim...

From $11.77
Two Little Fishies pH-Balance Marine Aquarium Buffer

Two Little Fishies pH-Balance Marine Aquarium Buffer

Two Little Fishies - pH-Balance Marine Aquarium Buffer The pH of seawater in the open ocean is stable, normally between 8.0 and 8.3due to the carbonate-bicarbonate buffering system. In tide pools and aquariums the pH can vary m...

From $7.48
E.S.V. B-Ionic 2-Part Calcium Buffer

E.S.V. B-Ionic 2-Part Calcium Buffer

B-Ionic Calcium Buffer is the original, unique, easy to use, two-component liquid supplement system. When using equal volumes of each component, the aquarist can easily maintain calcium and alkalinity levels with no mixing powders...

From $12.99
Seachem Laboratories Prime

Seachem Laboratories Prime

Ensure that your fishes are enjoying a clean and healthy environment inside the tank by simply pouring in a daily dose of the Seachem Prime from Pet Store . This solution comes in a 250-milliliter bottle that can treat more tha...

From $7.79
Brightwell Aquatics Microbacter7 Bioculture Fresh & Marine

Brightwell Aquatics Microbacter7 Bioculture Fresh & Marine

Overview: Complex system of non-pathogenic aerobic and anaerobic microbes, as well as natural enzymes, specifically formulated to establish biological filtration in new aquarium set-ups, and to enhance the rate of nitrificatio...

From $7.68
Two Little Fishies AcroPower Amino Acids for SPS corals

Two Little Fishies AcroPower Amino Acids for SPS corals

Two Little Fishies` new formula supplies amino acids that corals need to build their skeletal architecture. Corals, like other cnidaria, have a special ability to uptake dissolved amino acids across their entire surface. Closed sy...

From $8.99
American Marine Selcon

American Marine Selcon

AMERICAN MARINE SELCON 60ML Aquarium food booster that features highly unsaturated OMEGA 3 fatty acids, Marine Lipids (200 mg/g), Stabilized Vitamin C (200 mg) and Vitamin B12 Cyanocobalamin (240 mcg). Soak any freeze-dried, froz...

From $11.99
Aqueon Water Clarifiers

Aqueon Water Clarifiers

Simple to understand and apply, these products will help maintain the healthiest environment for your aquatic pets. Aqueon Water Clarifier works by clinging to the suspended dirt particles that cause the water to appear cloudy or ...

From $3.36
Seachem Laboratories Stability

Seachem Laboratories Stability

SeaChem Stability will rapidly and safely establish the aquarium biofilter in freshwater and marine systems, thereby preventing the #1 cause of fish death: "new tank syndrome". Stability is formulated specifically for th...

From $6.86
Red Sea NO3:PO4-X Nitrate & Phosphate Reducer

Red Sea NO3:PO4-X Nitrate & Phosphate Reducer

NO3:PO4-X Contains a unique complex of carbons that are used by nutrient-reducing bacteria. Each carbon is utilized by different strains of microorganisms while maintaining the specific Carbon: Nitrogen: Phosphorus ratio required ...

From $6.29
CaribSea Purple Up Coralline Algae Accelerator

CaribSea Purple Up Coralline Algae Accelerator

Use the Caribsea Purple Up Coralline Algae Accelerator 8oz from Pet Store to keep your coralline algae healthy all the time. Coralline algae are essential to the natural balance of reef aquariums. Some fish and other water creat...

From $11.99
Aqua Vision Aquatics Precision Integreat (Part A & B Calcium/Buffer)

Aqua Vision Aquatics Precision Integreat (Part A & B Calcium/Buffer)

Package includes one 32oz bottle of Part A and one 32oz bottle of Part B Aqua Vision Aquatics Precision Integreat (Part A Calcium) Information Precision Integrate Part A is a well-balanced supplement that is designed to rai...

From $14.99
E.S.V. B-Ionic Magnesium

E.S.V. B-Ionic Magnesium

Aside from calcium and organic carbon, magnesium also plays a significant role in maintaining a healthy marine life in your aquarium. Magnesium presence in your tank's water gives it stable alkalinity, as well as good pH level. As...

From $12.49
Aquarium Pharmaceuticals® API Stress Zyme

Aquarium Pharmaceuticals® API Stress Zyme

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...

From $6.99
Brightwell Aquatics Reef Code B - Balanced Calcium & Alkalinity System - Part B (Alk.)

Brightwell Aquatics Reef Code B - Balanced Calcium & Alkalinity System - Part B (Alk.)

The Brightwell Aquatics Reef Code B - Balanced Calcium and Alkalinity System - Part B (Alk.) Pet Store offers you an amazing supplement that can give your pets a substantial amount of calcium carbonate, providing them the trace ...

From $7.48
Seachem Laboratories Reef Builder

Seachem Laboratories Reef Builder

Use 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...

From $5.99
Brightwell Aquatics Reef Code A - Balanced Calcium & Alkalinity System - Part A (Calc.)

Brightwell Aquatics Reef Code A - Balanced Calcium & Alkalinity System - Part A (Calc.)

Provide the needed calcium of your corals, clams and other reef animals by giving a daily dose of Brightwell Aquatics Reef Code A - Balanced Calcium & Alkalinity System from Pet Store . This is a system of providing supplements, ...

From $7.48
Seachem Laboratories Reef Advantage Calcium

Seachem Laboratories Reef Advantage Calcium

Use the Seachem Reef Advantage Calcium Pet Store for your saltwater tank today. This product is ideally made to provide your marine tank the proper amount of calcium it needs. Calcium is very essential to corals, fish, and other...

From $7.19
Red Sea Reef Foundation B Supplement (Alk)

Red Sea Reef Foundation B Supplement (Alk)

A successful coral reef aquarium depends on how well you maintain the water parameters which are the key to a stable coral environment. All of the elements found in natural seawater play a role in providing optimal water parameter...

From $7.99
Kent Marine Garlic Xtreme 1 oz.

Kent Marine Garlic Xtreme 1 oz.

Are you looking for a product to solve your problem with your finicky underwater species? The Kent Marine Garlic Xtreme from Pet Store is the best fish food to help you solve your problem. It is made of powerful supply of garlic...

$12.99
Seachem Laboratories Reef Advantage Magnesium

Seachem Laboratories Reef Advantage Magnesium

SeaChem 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 ...

From $5.09
Seachem Laboratories Freshwater and Marine Stability

Seachem Laboratories Freshwater and Marine Stability

Are you tired of frequently cleaning your aquarium? Do your fish suffer from severe homesickness? If so, then the Seachem Freshwater and Marine Stability from Pet Store is the best product for you. This liquid comes in quantitie...

From $13.49
Seachem Reef Fusion Two Part System 1 & 2 Calcium and Carbonate Supplement

Seachem Reef Fusion Two Part System 1 & 2 Calcium and Carbonate Supplement

If you are running a coral reef tank , there's one thing you have to make sure: You need a constant supply of calcium in the water. Corals use up calcium to form their exoskeletons. Without calcium, they will not be able to form ...

From $14.38
Kent Marine Lugol`s Solution 1 oz.

Kent Marine Lugol`s Solution 1 oz.

Supplement solutions are as vital as the environment and foods of fishes and corals. The Kent Marine Lugol’s Solution from Pet Store provides an essential nutrient to help develop a healthy growth of your corals, marine inverteb...

$10.99
Ecosystem Aquarium Reef Solution

Ecosystem Aquarium Reef Solution

Reef Solution™ is the ideal all natural, multipurpose additive created for enhancing the marine aquarium environment. Outstanding results for both reef and fish only aquariums. In reef systems, polyp extensions on corals is phenom...

From $14.99
1 - 25 of 129
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