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Safety Stop is a simple and effective way to help protect your Saltwater and Freshwater aquarium fish from serious unwanted disease outbreaks caused by external parasites, and bacterial and fungal...

** Each Cup is PHOTO Similar, but Different ** Weight: Approximately 3-3.5 lbsSize: Approximately 8 x 8 x 2.5 inchesEach rock is unique, weight and size may vary. Real Reef Branch Rock is our v

Real Reef Branch Rock is our version of the Tonga Branch rock that use to be imported from the Kingdom of Tonga for many years, before getting banned for destructive collection practices. No live...

Real Reef Branch Rock is our version of the Tonga Branch rock that use to be imported from the Kingdom of Tonga for many years, before getting banned for destructive collection practices. No live...

Free-Form Coral Amino Complex for all Corals & Their Allies Overview Complex of free-form amino acids in the same ratios found within tissues of stony corals. Beneficial to all corals (stony...

Free-Form Coral Amino Complex for all Corals & Their Allies Overview Complex of free-form amino acids in the same ratios found within tissues of stony corals. Beneficial to all corals (stony...

25 Pack of Eshopps 7" Filter Socks with Plastic Ring

25 Pack of Eshopps 4" Filter Socks with Plastic Ring

The Kessil WiFi Dongle is the simplest, most reliable wireless lighting option in the market. Used together with the best-in-class A360X, the WiFi Dongle’s small frame plugs into the fixture’s K-Link...

Trident Reagent Kit 6 Month Supply - With six month kits, the cost of running the Trident is less than $17 per month - that’s averages out to about 7 cents a test! Neptune Systems recommends keeping...

Filter socks are a critical component in maintaining water quality in aquariums. They remove suspended debris and detritus, which often lead to excess dissolved organics, nitrate, and phosphate when...

Filter socks are a critical component in maintaining water quality in aquariums. They remove suspended debris and detritus, which often lead to excess dissolved organics, nitrate, and phosphate when...

Filter socks are a critical component in maintaining water quality in aquariums. They remove suspended debris and detritus, which often lead to excess dissolved organics, nitrate, and phosphate when...

Filter socks are a critical component in maintaining water quality in aquariums. They remove suspended debris and detritus, which often lead to excess dissolved organics, nitrate, and phosphate when...

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...

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...

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...

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...

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...

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...

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...

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...

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...

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...

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...

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...

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...

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...

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...

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...

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...

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...

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

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...

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...

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...

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...

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...

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...

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...