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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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Marc Weiss Coral Vital

Marc Weiss Coral Vital

"The Reef Life Energizer" Accelerates growth of coralline algae Corals "Open Up" Color enhancer Promotes coral polyp regeneration and reproduction Aids damaged corals Removes bio-mass The purpose of Coral Vital is...

From $27.99
Marc Weiss Co. Organics Bacter Boost 6oz

Marc Weiss Co. Organics Bacter Boost 6oz

The Marc Weiss Organic Bacter Boost from Pet Store has the double purpose of helping you clean and purify your aquarium water, and making sure that it is healthy and nutritionally balanced for your fishes, plants and corals. It ...

$14.99
Marc Weiss Co. Organics Immuno-Vital Marine 16oz

Marc Weiss Co. Organics Immuno-Vital Marine 16oz

Introducing new aquatic life into an existing aquarium can be quite stressful. It can be hard on the system of both your aquarium's existing residents and your new fish. How? The introduction of new fish to an existing system me...

$15.99
Marc Weiss Co. Organics Combo Vital 5 oz.

Marc Weiss Co. Organics Combo Vital 5 oz.

"A synergetic mixture of SPECTRA VITAL and BLACKPOWDER" For aquariums with hard and soft coral The combination of two very popular and individually dynamic products, Spectra Vital and Black Powder provide a buffering cap...

$22.99
Marc Weiss Co. Organics Blackpowder 4oz

Marc Weiss Co. Organics Blackpowder 4oz

Black Powder will blow you away! "Maximize growth and color in hard corals and live rock" Colorful life that you didn`t know even existed in your live rock newly spawns Enhances growth and reproductive potential in organ...

$15.99
Marc Weiss Co. Organics Coral Boost 16oz

Marc Weiss Co. Organics Coral Boost 16oz

Brings new life to corals and allows them to flourish as they would in nature. Organically boosts the growth of coraline algae Helps enhance the survival and growth of hard and soft corals Maintains an ongoing cycle tha...

$27.99
Marc Weiss Co. Organics Sand Boost 16oz

Marc Weiss Co. Organics Sand Boost 16oz

Boost the capacity of your substrates to maintain the health and cleanliness of the aquatic habitat in your aquarium. Energize the sand and live rock microorganisms by simply using the Marc Weiss Organics Sand Boost from Pet Stor...

$27.99
Marc Weiss Co. Organics Garlic Boost Plus 6 oz.

Marc Weiss Co. Organics Garlic Boost Plus 6 oz.

Feature(s): Enhances Appetite and Immunology Organic de-Nitrification agent Greatly reduces the need for water changes Promotes microorganism vitality Lessens free radicals Garlic Boostâ„¢ is a 100% USDA certified or...

$14.99
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