Whats New?

With bold red color accents and a bevy of practical features, the new Reef Octopus OCTO Sump Series is perfect for discerning reef aquarium hobbyists who crave luxurious good looks with performance-inspired design. You can house all your red Reef Octopus...

With bold red color accents and a bevy of practical features, the new Reef Octopus OCTO Sump Series is perfect for discerning reef aquarium hobbyists who crave luxurious good looks with performance-inspired design. You can house all your red Reef Octopus...

XL Version Roll Length - 137 ft vs 82 ft on the original style. The ClariSea fleece filter is a high efficiency water filtration system which effectively removes suspended particles such as micro algae, detritus, food, organic waste and gravel dust from...

When power and style combine The Finnex HLC series is the slimmest series yet solidly built in a eye catching aluminum hood. Featuring a unique four bulb cluster of 8,000K Daylight, Red, Blue, and Green LEDs - the HLC series supports all types of plant...

When power and style combine The Finnex HLC series is the slimmest series yet solidly built in a eye catching aluminum hood. Featuring a unique four bulb cluster of 8,000K Daylight, Red, Blue, and Green LEDs - the HLC series supports all types of plant...

When power and style combine The Finnex HLC series is the slimmest series yet solidly built in a eye catching aluminum hood. Featuring a unique four bulb cluster of 8,000K Daylight, Red, Blue, and Green LEDs - the HLC series supports all types of plant...

When power and style combine The Finnex HLC series is the slimmest series yet solidly built in a eye catching aluminum hood. Featuring a unique four bulb cluster of 8,000K Daylight, Red, Blue, and Green LEDs - the HLC series supports all types of plant...

When power and style combine The Finnex HLC series is the slimmest series yet solidly built in a eye catching aluminum hood. Featuring a unique four bulb cluster of 8,000K Daylight, Red, Blue, and Green LEDs - the HLC series supports all types of plant...

The Finnex Stingray II Aquarium LED +Moonlights The Stingray 2 LED series features such a slim hood that it is nearly unseen atop an aquarium. The Stingray 2 offers nearly double the amount of LEDs of the original Stingray, along with offering users the...

The Finnex Stingray II Aquarium LED +Moonlights The Stingray 2 LED series features such a slim hood that it is nearly unseen atop an aquarium. The Stingray 2 offers nearly double the amount of LEDs of the original Stingray, along with offering users the...

The Finnex Stingray II Aquarium LED +Moonlights The Stingray 2 LED series features such a slim hood that it is nearly unseen atop an aquarium. The Stingray 2 offers nearly double the amount of LEDs of the original Stingray, along with offering users the...

The Finnex Stingray II Aquarium LED +Moonlights The Stingray 2 LED series features such a slim hood that it is nearly unseen atop an aquarium. The Stingray 2 offers nearly double the amount of LEDs of the original Stingray, along with offering users the...

The Finnex Stingray II Aquarium LED +Moonlights The Stingray 2 LED series features such a slim hood that it is nearly unseen atop an aquarium. The Stingray 2 offers nearly double the amount of LEDs of the original Stingray, along with offering users the...

The Finnex Stingray II Aquarium LED +Moonlights The Stingray 2 LED series features such a slim hood that it is nearly unseen atop an aquarium. The Stingray 2 offers nearly double the amount of LEDs of the original Stingray, along with offering users the...

The Finnex Stingray II Aquarium LED +Moonlights The Stingray 2 LED series features such a slim hood that it is nearly unseen atop an aquarium. The Stingray 2 offers nearly double the amount of LEDs of the original Stingray, along with offering users the...

DO NOT FIT THE NEW PRIME 16HDs Direct the Light Only Where You Need It. The ALV is the easiest way to direct the light from your AI Prime Refugium light right where you need, while shading nearby equipment such as your protein skimmer or other sump...

Helix Ships on Tuesday - Wednesday from ALGAE BARN in CO to ensure the freshest possible product as we receive weekly Monday shipments of this. Not only does Coralline Algae in a Bottle speed up the process of developing colorful coralline algal crusts...

Helix Ships on Tuesday - Wednesday from ALGAE BARN in CO to ensure the freshest possible product as we receive weekly Monday shipments of this. Not only does Coralline Algae in a Bottle speed up the process of developing colorful coralline algal crusts...

Helix Ships on Tuesday - Wednesday from ALGAE BARN in CO to ensure the freshest possible product as we receive weekly Monday shipments of this. Not only does Coralline Algae in a Bottle speed up the process of developing colorful coralline algal crusts...

Base Station Only -  The base allows the versa pumps to work together and allows them to be powered by a single power supply. The Versa is a specifically designed peristaltic pump from EcoTech Marine. The Versa is extremely precise, robust and...

The Versa is a specifically designed peristaltic pump from EcoTech Marine. The Versa is extremely precise, robust and versatile.  The Versa is capable of being used as a dosing pump, as an auto top off (ATO) pump and even for automatic water...

The Versa is a specifically designed peristaltic pump from EcoTech Marine. The Versa is extremely precise, robust and versatile.  The Versa is capable of being used as a dosing pump, as an auto top off (ATO) pump and even for automatic water...

FREE SAMPLE ON ORDERS OF $20 or MORE   TDO Chroma BOOST is a granulated and pelleted fish and coral feed "top-dressed" with Haematococcus (which provides an excellent source of astaxanthin) for vibrant color and superior nutrition.  New...

ReefLED 50/60 Arms The universal mounting arm attaches firmly onto the rear wall of the tank and can be rotated from side to side during reefscaping or other tank maintenance. Suitable for tank widths from 36-51cm / 14″-20″ with glass...

Reef Enhance™ creates real MICROPLANKTON for your reef aquarium. When used in conjunction with popular coral foods Reef Enhance™ improves the utilization for even better results.  Reef Enhance™ is ideal for hard and soft...

Live Rock Enhance™ contains microbial spores and their attendant enzymes. The ingredients in Live Rock Enhance™ eat and dissolve detritus, dead algae, slime and decomposing life attached to, and within, rocks, sand, in the aquarium and/or in...

Perfect diet for all smaller marine fish providing all the nutrition they can handle. Marine-S is formulated to establish proper metabolism while maintaining good digestive system health. The digestive tract is where many bacterial and fungal diseases...

Aquatic Life Floating Suspension Fixture Hanger. This hardware is designed to mount on the wall behind your aquarium and make it easy to hang your light fixture over the aquarium. Compatible light fixtures include the Aquatic Life Hybrid, G2 Hybrid and...

The new Kamoer F4 PRO Wifi Doser Liquid Dosing Pump is the latest state of the art controllable dosing system from Kamoer. Each unit includes a Wifi connection which allows the doser to be controlled via iPhone or Android. Flexible and precise control...

TDO Chroma BOOST is a granulated and pelleted fish and coral feed "top-dressed" with Haematococcus (which provides an excellent source of astaxanthin) for vibrant color and superior nutrition.  New formulation optimized with 400 ppm astaxanthin for...

Granular Activated Carbon based on bituminous coal provides the best combination of pore size, large particle size, high surface area, low ash, and hardness for chemically filtering aquarium water. In addition, test results indicate no leaching of...

Reborn® coarse aragonite media for calcium reactors is composed of fossil skeletons of reef building corals sustainably harvested from pristine sites in the Western Pacific. When dissolved, ReBorn replenishes calcium and carbonate alkalinity,...

The SHARK ADV is an exclusively designed internal filter with a patented magnetic quick uncoupling system (MCS System). The modular design allows the possibility of adding one or more filtering compartments to increase the filtration capacity...

The ATK (Automatic Top-off Kit) is a simple, standalone, and complete solution for replacing water lost to evaporation. The new aquarium hobbyist has many challenges, but none is more annoying than the chore of adding water, every day, to make up for...

The PMUP is a multi-purpose pump that can be used for many different tasks on your aquarium.  This listing includes a Power Supply. Automatic Top-Off (ATO) Carbon reactors GFO reactors Biopellet reactors Many other salt or freshwater...

The PMUP is a multi-purpose pump that can be used for many different tasks on your aquarium. Automatic Top-Off (ATO) Carbon reactors GFO reactors Biopellet reactors Many other salt or freshwater uses NEW IN VERSION 2: Automatic shut off when...

Reef Octopus BioChurn Biopellet reactor series take a new approach of efficiently fluidizing the biopellet media without blasting the media itself with direct flow pressure. The unique motion these innovative reactors produce allow for much greater...

Sized for Aquariums 20-159 Gallons. 18 Watts Dimensions: 7.9" x 6.3" x 15.7" White 10W LEDs and a Tunze Silence circulation pump The Tunze MAR 3181 is the smaller macro algae reactor designed for aquariums in the 100-600 liter range (26-159 US...

These switches, typically mounted near a RODI water holding tank, automatically control the system pump and/or solenoid valve as required. The switches are normally closed and can be pre-set at various shut-off pressures. Pump is re-activated at 15 p

Power Supply for the Aquatec 8800 RODI Booster Pumps   120 Volt