Randall’s Assessors are the little known third member of the Assessor genus.   These beautiful, peaceful fish prefer calm, community aquariums with large amounts of rock work and overhangs. Like...

Bring a Live-In Doctor to Your Aquarium Ecosystem! Witness one of the most incredible symbiotic relationships in the ocean, right in your own home. The Skunk Cleaner Shrimp (Lysmata amboinensis) is more than just a beautiful addition; it's an essential...

A Living, Pulsing Flower for Your Aquarium Challenge everything you think you know about jellyfish with the mesmerizing Upside-Down Jellyfish. Unlike its free-floating relatives, this incredible species has evolved a lifestyle more like a coral or an...

The Acrobatic Algae Grazer with Unmatched Color Prepare to be captivated by the Sally Lightfoot Crab, a true spectacle of color and agility for the marine aquarium. With a flattened, disc-shaped body and long, spider-like legs, this crab is adorned with...

Take the Long Way 40 Gallons inside a 35.4 long inches of scenic aquascaping views come in this Fusion Pro 2 Series AIO (All in One) aquarium kit. Built-in emergency overflow, adjustable water level risers, leveling mat and safe screen lid come standard...

Take the Long Way 40 Gallons inside a 35.4 long inches of scenic aquascaping views come in this Fusion Pro 2 Series AIO (All in One) aquarium kit. Built-in emergency overflow, adjustable water level risers, leveling mat and safe screen lid come standard...

With high flow, its thick violet branches grow close together, each punctuated by a vibrant green corallite. As it grows outward, bright green polyps become more visible to create a two-toned color explosion that looks its best when viewed from the top...

New Version - Higher Power    The perfect reef aquarium is free of pests. Nothing to sting, eat or smother your beautiful corals! However, every reef aquarist knows that this isn’t always the case!   Reef Delete  is like having...

About Fritz Complete Fritz Complete is a concentrated, one-step, full-spectrum water conditioner that detoxifies chlorine, chloramine, ammonia, nitrite and nitrate. Safe to use in fresh and saltwater, including reef and planted aquariums. Use...

Add to your glue joints when bonding Marco Rocks products to create a seamless look. Made from pure powdered Marco Rocks. MR Powder packaging: 3 lb jars

Direct Pump Driver - For Third Party Controller WE Pumps the HYDROS WaveEngine connects directly to the pump head. This removes the clutter of the power brick and the control head for these pumps.

Direct Pump Driver - For 10V Quad WE pumps the HYDROS WaveEngine connects directly to the pump head. This removes the clutter of the power brick and the control head for these pumps. Also used to connect Ind Aquatics Frozen Fish Food Feeder to Hydros.

Direct Pump Driver - For Maxspect Gyre 330/350 WE Pumps the HYDROS WaveEngine connects directly to the pump head. This removes the clutter of the power brick and the control head for these pumps.

Direct Pump Driver - For Maxspect Gyre 150/250/280 WE pumps the HYDROS WaveEngine connects directly to the pump head. This removes the clutter of the power brick and the control head for these pumps.

Direct Pump Driver - For Maxspect Gyre 130/230 WE pumps the HYDROS WaveEngine connects directly to the pump head. This removes the clutter of the power brick and the control head for these pumps.

Direct Pump Driver - For IceCap Gyre WE pumps the HYDROS WaveEngine connects directly to the pump head. This removes the clutter of the power brick and the control head for these pumps.

Direct Pump Driver - For Reef Octopus Varios / Pulse WE pumps the HYDROS WaveEngine connects directly to the pump head. This removes the clutter of the power brick and the control head for these pumps.

FREE ON ORDERS OF $5000 or MORE Amazon Fire TV 40" 2-Series HD smart TV with Fire TV Alexa Voice Remote, stream live TV without cable High definition TV - Bring movies and shows to life in HD 1080p resolution, with support for HDR 10, HLG, and Dolby...

Factory Replacement Impeller for SDC 9.0 / ADV 10.0 

Factory Replacement Impeller for SDC 7.0 / ADV 7.0

Factory Replacement Impeller for SDC 6.0 / ADV 5.5

The Electric Jewel of the Reef A living jewel of the ocean, the Flame Scallop is one of the most visually stunning and unique invertebrates available in the marine aquarium hobby. With its brilliant red mantle and long, flowing tentacles, it is a truly...

The Majano Wand is an easy and effective tool for ridding your tank of pesky anemones like Majanos and Aiptasia. It works by breaking down the water molecules in the cells of the anemone into hydrogen gas and oxygen. This forces...

The Majano Wand is an easy and effective tool for ridding your tank of pesky anemones like Majanos and Aiptasia. It works by breaking down the water molecules in the cells of the anemone into hydrogen gas and oxygen. This forces...

The HELIO smart controller bridges the gap between hobby grade and commercial controllers. Its processor goes hand in hand with the titanium sensor to keep your temperature readings stable. The controller comes fitted with a titanium remote temperature...

BACTO ENERGY is a special carbon source designed to feed nutrient reducing bacteria in marine aquariums. After addition of Bacto Energy bacteria will grow rapidly and thereby will convert unwanted nutrients like nitrite, nitrate and phosphate into...

Over time the efficiency of the UV sterilizer will start to diminish because the lamp degrades and will no longer putting out the same amount of energy and spectrum.  Replace your UV lamp and quartz sleeve once a year or every 10,000...

Over time the efficiency of the UV sterilizer will start to diminish because the lamp degrades and will no longer putting out the same amount of energy and spectrum.  Replace your UV lamp and quartz sleeve once a year or every 10,000...

Over time the efficiency of the UV sterilizer will start to diminish because the lamp degrades and will no longer putting out the same amount of energy and spectrum.  Replace your UV lamp and quartz sleeve once a year or every 10,000...

Easily attaching to the side of most aquariums up to 1″ thick, the Multi-Chamber Holding & Breeding Box provides up to 3 separate housing compartments for protecting fry, sick/weak fish or new fish that require acclimation. Multi-functional...

Serpent starfish are opportunistic scavengers. This means they eat almost anything they find or catch.  This voracious carnivore can make quick work of any uneaten meaty food it finds fallen throughout your aquarium.  Serpent's stars are a...

The Authentic Reef-Safe Sand Cleaner Achieve a flawlessly clean and healthy sandbed with the one true Reef Safe Sand Sifting Starfish, Archaster typicus. This dedicated detritivore is nature's perfect solution for maintaining a pristine substrate. It...

Serpent Starfish (Ophioderma spp.) - Colors Vary.  Most are brown/black in color. The Ultimate Reef Scavenger and Master of Stealth Introduce a touch of serpentine grace to your aquarium with the Serpent Starfish. A fascinating and highly...

The Solar-Powered Bryopsis Eater Behold one of the most beautiful and biologically fascinating creatures in the marine hobby: the Lettuce Nudibranch. This stunning sea slug, with its frilly, ribbon-like body, truly resembles a vibrant piece of lettuce...

Nerite snails are extremely popular for their unique patterns and colors, as well as their practical benefits. They work hard to clean algae off of glass, plants, and decorations, they eat hair algae, and they keep your substrate clean and the...

Nerite snails are extremely popular for their unique patterns and colors, as well as their practical benefits. They work hard to clean algae off of glass, plants, and decorations, they eat hair algae, and they keep your substrate clean and the...

Tropic Marin® Syn-Biotic Sea Salt contains probiotic bacteria for fish and shrimp and special prebiotic bacteria food to promote probiotic bacterial growth and to create low-nutrient conditions in the aquarium for LPS and SPS corals. The term...

Radion G6 models are built on the same heat sink and driver platform as the equivalent Radion G5 models (XR15 or XR30). Excitingly this allows for a same model (XR15 and XR30) upgrade path for G5 to G6. Included in the upgrade kit is the G6 cluster and...

Radion G6 models are built on the same heat sink and driver platform as the equivalent Radion G5 models (XR15 or XR30). Excitingly this allows for a same model (XR15 and XR30) upgrade path for G5 to G6. Included in the upgrade kit is the G6 cluster and...

Radion G6 models are built on the same heat sink and driver platform as the equivalent Radion G5 models (XR15 or XR30). Excitingly this allows for a same model (XR15 and XR30) upgrade path for G5 to G6. Included in the upgrade kit is the G6 cluster and...