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D-D H2Ocean Magnesium Pro PLUS Salt Mix

D-D H2Ocean Magnesium Pro PLUS Salt Mix

*6.6Kg Tub makes 165 - 200 liters of saltwater (43-52 US Gallons) H2Ocean Pro+ is a new pro formula aquarium salt - produced by a solar evaporative process which produces a totally natural base salt where all of the main and t...

From $30.99
Cobalt Aquatics MJ1200 Multi-Purpose Powerhead/Pump

Cobalt Aquatics MJ1200 Multi-Purpose Powerhead/Pump

The Original MJ multi-use submersible pump and power head is built to perform and last under the harshest conditions. Ideal for wave makers, protein skimmers, calcium reactors, nano aquariums, under gravel filters and hydroponic a...

$40.99
AquaMaxx ROX 0.8 Carbon Filter Media

AquaMaxx ROX 0.8 Carbon Filter Media

AquaMaxx Rox 0.8 Activated Carbon reduces and eliminates organic pollutants, odors and discolorations from aquarium water. It is the highest grade acid washed extruded carbon available on the market today. The ultra-porous nature ...

From $14.99
True Union Swing Check Valve - Slip x Slip

True Union Swing Check Valve - Slip x Slip

True Union Swing Check Valve - 1/2 inch Slip x 1/2 inch Slip **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 matchin...

From $24.20
Two Little Fishies Phosban GFO Phosphate Removal Media

Two Little Fishies Phosban GFO Phosphate Removal Media

PhosBan from Two Little Fishies is a favored chemical filter media because it will not leach substances back into your aquarium. Largest adsorption capacity of any phosphate filtering media. Ferric oxide hydroxide-based granules a...

From $14.99
Flipper Regular Aquarium Algae Magnet Cleaner

Flipper Regular Aquarium Algae Magnet Cleaner

The patented design allows it to Flip inside the tank simply by rotating the outer handle! With a large soft cleaning pad on one side for daily maintenance and a Flip over to a stainless steel blade on the opposite side for r...

$39.99
Marine Depot Hi-Silicate Removal TFC Replacement Membrane

Marine Depot Hi-Silicate Removal TFC Replacement Membrane

The key component for any reverse osmosis unit is its membrane. The membrane will determine the type of contaminants removed and how much water the unit will produce. Our Captive Purity Hi-S (High Silicate) membranes are the gold ...

From $31.99
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
AquaMaxx Phosphate Out Pro High Capacity GFO Filter Media

AquaMaxx Phosphate Out Pro High Capacity GFO Filter Media

AquaMaxx Phosphate Out Pro is a high capacity granular ferric oxide adsorptive filter media that removes phosphate from aquarium water. Phosphate is a fuel for algae growth and can also inhibit a coral`s ability to utilize calcium...

From $43.99
Marineland Maxi-Jet Pro Powerhead

Marineland Maxi-Jet Pro Powerhead

The Maxi-Jet Pro is a multi-use, 3-in-1 pump. It is completely adaptable to meet different needs of internal and external functions as a power head, circulation pump or utility pump. This submersible pump is ideal for powering und...

From $23.49
Seachem Laboratories Reef Plus

Seachem Laboratories Reef Plus

SeaChem Reef Plus ™ is a full spectrum reef supplement containing trace elements, vitamins, and amino acids demonstrated to have a positive impact on the growth of corals and other desirable reef creatures. Reef Plus™ is formulate...

From $6.49
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 $15.99
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 $5.49
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 $38.99
Innovative Marine AUQA Gadget CustomCaddy - Media Basket

Innovative Marine AUQA Gadget CustomCaddy - Media Basket

Customize your mechanical, chemical, and biological filter media or convert to a living refugium with our larger and more robust CustomCaddy media baskets. Choose between your favorite filter pads, activated carbon, ion exchange r...

From $25.00
CaribSea Ocean Direct Live Sand Original

CaribSea Ocean Direct Live Sand Original

All New Ocean Direct™ Live Sand Simply Natural – Enjoy this real Caribbean live sand in a breathable bag with no added chemicals or special processing. Simply Effective – Ocean Direct™ is different than all other live sand prod...

From $7.99
Ruby Reef Kick-Ich & Rally Combo Pack

Ruby Reef Kick-Ich & Rally Combo Pack

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 $18.99
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...

$35.99 $32.39
Seachem Laboratories Matrix Carbon

Seachem Laboratories Matrix Carbon

SeaChem MatrixCarbon is a truly unique activated carbon, bead shaped for optimal hydrodynamics. This provides maximum water flow and contact with a high density of adsorptive sites without the compacting common to granular activat...

From $10.99
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 $14.49
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 $14.99
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
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
Kent Marine Essential Elements

Kent Marine Essential Elements

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...

From $6.99
14000K Metal Halide Bulb - Phoenix, Double-Ended

14000K Metal Halide Bulb - Phoenix, Double-Ended

This 150W 14000K bulb casts a crisp-white light with a blue tint. Great for bringing out the coloration of fish and corals while providing sufficient intensity for growth. An HQI, Pulse-Start or Electronic ballast is required....

From $44.99
26 - 50 of 321
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