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CaribSea Dry Aragonite Special Grade Reef Sand

CaribSea Dry Aragonite Special Grade Reef Sand

1.25–1.95 mm diameter grain size. A revolution in reef-keeping! This is the one you’ve been reading about in all the hobbyist publications. This grade of aragonite is specifically engineered for plenum-type nitrate reducing beds o...

From $26.49
Seachem Reef Fusion Two Part System 1 & 2 Calcium and Carbonate Supplement

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

Reef Fusion 1™ and Reef Fusion 2™ are the foundation of a system formulated to provide the essentials for the reef aquarium. Reef Fusion 1™ provides calcium, while Reef Fusion 2™ provides alkalinity. When used together, the Reef F...

From $14.99
Tunze Care Magnet Algae Cleaner

Tunze Care Magnet Algae Cleaner

The "Care Magnet" is a breath of fresh air in the field of aquarium pane cleaner design, consisting of an ergonomic handle and special plastic blades made of wear-resistant high performance plastic. The patented slim Care Magnet i...

From $19.56
Swing Check Valve - Slip x Slip

Swing Check Valve - Slip x Slip

Part #: FT8933 Description: 1/2" Clear PVC Socketed Swing Check Valve Size: 1/2" Slip x 1/2" Slip Designed to be used any place where you want to stop backflow and siphoning. These are among the highest quality check valves to be...

From $22.09
Eheim Quick Vac Pro Battery Operated Gravel Vacuum

Eheim Quick Vac Pro Battery Operated Gravel Vacuum

A well-kept aquarium radiates crystal-clear cleanliness right down to the gravel bed. However, sinking dirt particles, plant debris and organic residues repeatedly form an ugly layer of sludge. This provides the breeding ground fo...

$51.99
Danner Mag-Drive Supreme Replacement Impeller

Danner Mag-Drive Supreme Replacement Impeller

Replacement impeller for Danner Mag-Drive Supreme 3 and 5 Pump. Includes impeller shaft and bushings.

From $14.99
E.S.V. B-Ionic Seawater System Salt Mix w/ Measuring Supplies

E.S.V. B-Ionic Seawater System Salt Mix w/ Measuring Supplies

E.S.V. B-Ionic Seawater System Salt Mix - Makes 50 Gallons of Saltwater A unique solution to many of the problems associated with all dry synthetic seawater blends. Problem: All dry blends may not be homogenous resulting in co...

From $37.99
Seachem Laboratories Reef Builder

Seachem Laboratories Reef Builder

Seachem Reef Builder ™ raises carbonate alkalinity without immediately impacting on pH. With long term use there will be a tendency to stabilize at pH 8.3. Carbonates and calcium are essential to all coral growth. If either become...

From $6.49
Seachem Laboratories Reef Advantage Calcium

Seachem Laboratories Reef Advantage Calcium

Seachem Reef Advantage Calcium ™ is equivalent to dry Reef Complete™. It is a non-caustic (pH 8.3-8.6) optimized blend of ionic calcium designed to restore and maintain calcium to levels found in natural seawater. Calcium and carb...

From $7.49
Tropic Marin Pro Reef Sea Salt

Tropic Marin Pro Reef Sea Salt

Makes 32 Gallons of Saltwater The Salt For The Purest Sea Water. Tropic Marin sea salt is manufactured from pharmaceutically pure salts and is based upon the most recent scientific analysis of the tropical oceans. It is fr...

From $19.99
Prodibio BIO DIGEST

Prodibio BIO DIGEST

BioDigest is effective in both fresh water and marine water tanks and is a concentrated bacterial solution which biologically filters and eliminates aquarium waste. BioDigest: composed of live bacterial strains aquarium cle...

From $14.49
Algae Free Algae Magnets

Algae Free Algae Magnets

New and Revolutionary Cleaning Magnets! These are the strongest floating aquarium algae cleaning magnets available that are safe for glass and acrylic aquariums.  The inner cleaning assembly is made of high quality injected m...

From $99.99
Swing Check Valve - FPT x FPT

Swing Check Valve - FPT x FPT

Part #: FT9033 Description: 1/2" Clear FPT Swing Check Valve Size: 1/2" FPT x 1/2" FPT Designed to be used any place where you want to stop backflow and siphoning. These are among the highest quality check val...

From $22.09
Brightwell Aquatics Reef Biofuel Liquid

Brightwell Aquatics Reef Biofuel Liquid

Overview Helps maintain a balanced nutrient-limited marine aquarium by enabling the hobbyist to enhance the rate of microbial growth and reproduction, increasing the rate of phosphate-reduction and denitrification; this is o...

From $14.69
Mr. Aqua Bookshelf / Long Frameless Glass Aquarium Tank

Mr. Aqua Bookshelf / Long Frameless Glass Aquarium Tank

Mr. Aqua aquariums are produced using high clarity glass. By eliminating the plastic frame that surrounds typical aquarium systems, the Mr. Aqua aquarium provides a clean and clear view of your aquatic life. Normally the plasti...

From $30.47
Eheim Compact+ Pump

Eheim Compact+ Pump

The new EHEIM Compact+ Pump series for use in, or out of water is available with three different controllable outputs: 265-528, 396-792 and 660-1320 gph. They are suitable for use in aquariums, keeping and rearing tanks where reli...

From $89.99
HM Digital Dual Inline TDS Meter

HM Digital Dual Inline TDS Meter

The Dual TDS meter offers an easy and convenient way of monitoring the performance of your RO or RO/DI unit. It allows you to quickly check the quality of the inlet and outlet water and helps you to determine when the cartridges n...

$29.99
Kent Marine Strontium & Molybdenum

Kent Marine Strontium & Molybdenum

Description: Strontium & Molybdenum Supplement provides bio-available strontium for lush growth of purple, pink and green calcareous algaes, snails, hard tube worms and clams. Magnesium is added to make up for deficiencies i...

From $6.39
Seachem Laboratories Freshwater and Marine Stability

Seachem Laboratories Freshwater and Marine Stability

Seachem Stability 500 ml 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 specifi...

From $13.99
SpectraPure® MaxCap DI Cartridge - SuperDI (DI-MC-10HC)

SpectraPure® MaxCap DI Cartridge - SuperDI (DI-MC-10HC)

SpectraPure, Inc.® Revolutionary MaxCap® Super DI™ cartridge has over 4 times more removal efficiency than any other Mixed-Bed or Hi-Silica de-ionizing cartridge. When placed upstream of your existing DI cartridge, the life of you...

$40.99
Innovative Marine 3 Stage Filter Media Pack for Micro 30/30L, Mini 38/40 - Combo Pack

Innovative Marine 3 Stage Filter Media Pack for Micro 30/30L, Mini 38/40 - Combo Pack

3-IN-1 COMBO Keeping your aquarium clean has never been simpler. We’ve combined 3 of the best filter media sponges to trap free floating particulate matter, remove pollutants that cause odor and discoloration, and combat phospha...

From $15.00
ASM replacement Needle Wheel Impellers

ASM replacement Needle Wheel Impellers

Replacement Needle Wheel Impeller for the G-300 used on the ASM Mini-G skimmer

From $20.99
Gate Valve - FPT X FPT

Gate Valve - FPT X FPT

Gate Valve - 1/2 inch FPT X 1/2 inch FPT **Variations of this product can be found in many online stores. The version we carry is of the highest quality. Although this item is eligible for price matching under our Low Pric...

From $18.94
Captive Purity Bulk Color-Changing Deionization Resin

Captive Purity Bulk Color-Changing Deionization Resin

Bulk Color-Change Deionization Resin. Enough to fill one refillable DI cartridge. * Make sure to pack the cartridge tightly to avoid channeling / bypass.

From $12.99
Ruby Reef Kick-Ich

Ruby Reef Kick-Ich

Reef Safe Kick-Ich is a water treatment for the control of ich (a.k.a. "whitespot disease") in marine and freshwater aquaria. It has been scientifically formulated to eliminate the free swimming, infectious stage of the ich life c...

From $23.99
101 - 125 of 838
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