Whats New?

  The Pithos crab is a small crab species with a bulbous body and cupped claws that is native to the Caribbean, Gulf of Mexico, and Atlantic: Appearance Pithos crabs have a molted brown, tan, or...

  The long-spined sea urchin, also known as the black sea urchin, is a marine invertebrate with a hard shell, long spines, and a vital role in reef ecosystems:      Appearance The...

  Harlequin shrimp are popular with aquarists, but they require a specialized diet and special care:      Diet They need a steady supply of live starfish, such as Asterias rubens for adults and...

  Pom pom crabs are small, brightly colored crabs that are known for carrying anemones in their claws:      Size: Pom pom crabs are about 1 inch wide on average...

  *WARNING CHOCOLATE CHIP STARFISH ARE NOT REEF SAFE*   The chocolate chip starfish is a sea star with a number of distinctive features, including:      Appearance Chocolate chip starfish are named...

The electric blue hermit crab (Calcinus elegans) is a rare, tropical crab with striking blue and orange colors:      Appearance The electric blue hermit crab has bright blue legs with black...

Magnetic Clip with SAQ Logo The triangular clip magnet can hold a stack of paper while hanging on to a magnetic surface! Great for use when acclimating fish and our drip kit. Textured black rubberized handle provides a sturdy grip on these powerful...

FREE ON ORDERS OF $100 OR MORE! Provide FREE cutting-edge reef-keeping information to hobbyists to encourage responsible reef-keeping and sustainability of our hobby.  Reef Hobbyist Magazine is a reef-focused magazine that teaches hobbyists of all...

The nutrient ratios for corals and sponges in reef tanks are ideal when nitrates and phosphates are present in the lowest concentrations. Tropic Marin® NP-Bacto-Balance uses a mix of select organic carbon compounds and suitable inorganic...

Product Description: Tropic Marin® Classic sea salt is an ideal foundation for the care and growth of all marine organisms in an aquarium. The salt is made up of all of the macro elements and trace elements in a natural balance, contained...

NOTE: The specific gravity is temperature dependent. With increasing temperature the specific gravity decreases. Therefore, the measured water temperature should be 25 °C / 77 °F to obtain a correct result.For an exact, reliable measure of...

Average 2"+ in size.   The strawberry conch, also known as the tiger conch, is a large, peaceful, and hardy snail that is a good addition to a saltwater aquarium:      Appearance Strawberry conchs...

Average size of 2" - 5"+  Horseshoe crabs are unique-looking arthropods with a hard exoskeleton, a long tail, and a horseshoe-shaped body:      Appearance Horseshoe crabs have a dark brown or olive...

The sexy shrimp, also known as Thor amboinensis, is a small shrimp with a distinctive appearance and unusual movements:      Size: Sexy shrimp are small, growing to about 1.5–13...

The coral banded shrimp (Stenopus hispidus) is a saltwater shrimp with a striking red and white color pattern, long antennae, and a prickly body texture:      Size: Can grow up to 2.4 inches...

Appearance Arrow crabs have a medium golden brown body with stripes of brown, black, yellow, or gold. They have 10 legs, eight for walking and two pincers, and their legs can be more than three times the length of their body. Their...

OPEN BOX RETURN Having adequate filters for a small size aquarium is crucial to keep the livestock healthy. With the new SHARK PRO NANO we are offering the best compact option with EXTRA flow and MAX filtration capacity for small aquariums. Two models...

We only SHIP Real INDO Live Rock with Fedex Priority Overnight Shipping.  There is a 5 pound minimum on this item. Pricing includes Fedex Priority Overnight Shipping - This Rock is nice and deserves the same treatment that corals do. Because...

The patent pending Klir Fleece Filter Di-7 fits directly into most seven-inch filter sock chambers that automatically unroll new material as it gets clogged, removing suspended particles from an aquarium and producing crystal clear water...

Revolutionize Your Flow with the Next-Gen Jump Gyre Advanced Crossflow Technology: Eliminates dead spots for consistent water movement. Customizable Water Flow: Multiple modes and adjustable flow direction. Innovative Control...

Revolutionize Your Flow with the Next-Gen Jump Gyre Advanced Crossflow Technology: Eliminates dead spots for consistent water movement. Customizable Water Flow: Multiple modes and adjustable flow direction. Innovative Control...

Pro-size all-in-1 NANO system The MAX NANO G2 XXL is a pro-size reef with all the NANO perks, including a Plug & Play setup, REEF-SPEC lighting, superior circulation and filtration systems, ReefATO+ and NanoMat-ready rear...

Pro-size all-in-1 NANO system The MAX NANO G2 XXL is a pro-size reef with all the NANO perks, including a Plug & Play setup, REEF-SPEC lighting, superior circulation and filtration systems, ReefATO+ and NanoMat-ready rear...

Pro-size all-in-1 NANO system The MAX NANO G2 XXL is a pro-size reef with all the NANO perks, including a Plug & Play setup, REEF-SPEC lighting, superior circulation and filtration systems, ReefATO+ and NanoMat-ready rear...

Smart Doser 2 World’s First & Only Hang-On DoserIntelligent Dosing Made Simple and Reliable   Ultra compact design with intuitive aquaLine App for controlling your Smart Doser from anywhere in the world!Intuitive and intelligent...

Smart Doser 4 Impossibly Slim 4-Channel DoserIntelligent Dosing Made Simple & Reliable   Ultra compact design with intuitive aquaLine App for controlling your Smart Doser from anywhere in the world!Intuitive and intelligent programming allows...

Tropic Marin® Cyo-Control naturally blocks the recurrence of cyanobacteria in the aquarium. After the cyanobacteria have been removed manually, the probiotic bacteria of Tropic Marin® Cyo-Control settle in their place. Once these...

Diaphragm Water Pump The HYDROS Diaphragm Pump is a small 12V Drive Port accessory that uses positive external displacement to move liquids. It is a smart alternative to standard internal auto-top-off (ATO) pumps. Fitted with a GX-2 connector to be...

A Convenient Way to Maintain and Stabilize Calcium and pH Levels Fauna Marin Kalkwasser is an easy-to-use solution for maintaining calcium and alkalinity levels in a reef aquarium. It removes the need to use multiple supplements, helping to keep water...

A Convenient Way to Maintain and Stabilize Calcium and pH Levels Fauna Marin Kalkwasser is an easy-to-use solution for maintaining calcium and alkalinity levels in a reef aquarium. It removes the need to use multiple supplements, helping to keep water...

A Convenient Way to Maintain and Stabilize Calcium and pH Levels Fauna Marin Kalkwasser is an easy-to-use solution for maintaining calcium and alkalinity levels in a reef aquarium. It removes the need to use multiple supplements, helping to keep water...

Rainbow Lobo WYSIWYG Pictured coral is “WYSIWYG”. If you are looking to start buying coral online to add to your reef tank, this is the best choice. Rainbow Lobo WYSIWYG is s vibrant coral with many different color morphs. They...

Banana Tree Favia Colony WYSIWYG Pictured coral is “WYSIWYG”. If you are looking to start buying coral online to add to your reef tank, this is the best choice. Banana Tree Favia Colony WYSIWYG is s vibrant coral with many different...

Tie-Dye Favia Colony WYSIWYG Pictured coral is “WYSIWYG”. If you are looking to start buying coral online to add to your reef tank, this is the best choice. Tie-Dye Favia Colony WYSIWYG is s vibrant coral with many different color...

ULTRA Pixie Dust Acan Colony 20+ Polyps WYSIWYG Pictured coral is “WYSIWYG”. If you are looking to start buying coral online to add to your reef tank, this is the best choice. ULTRA Pixie Dust Acan Colony 20+ Polyps WYSIWYG is s...

Forest Waves Acan Colony 30+ Polyps WYSIWYG Pictured coral is “WYSIWYG”. If you are looking to start buying coral online to add to your reef tank, this is the best choice. Forest Waves Acan Colony 30+ Polyps WYSIWYG is s vibrant...

Cyan Tiger Acan Colony 20+ Polyps WYSIWYG Pictured coral is “WYSIWYG”. If you are looking to start buying coral online to add to your reef tank, this is the best choice. Cyan Tiger Acan Colony 20+ Polyps WYSIWYG is s vibrant coral...

Necrotic Touched Blasto Colony 15+ Polyps WYSIWYG Pictured coral is “WYSIWYG”. If you are looking to start buying coral online to add to your reef tank, this is the best choice. Necrotic Touched Blasto Colony 15+ Polyps...

ULTRA Red Blasto Colony 8 Polyps WYSIWYG Pictured coral is “WYSIWYG”. If you are looking to start buying coral online to add to your reef tank, this is the best choice. ULTRA Red Blasto Colony 8 Polyps WYSIWYG is s vibrant coral...

ULTRA Red Blasto 8 Polyps WYSIWYG Pictured coral is “WYSIWYG”. If you are looking to start buying coral online to add to your reef tank, this is the best choice. ULTRA Red Blasto 8 Polyps WYSIWYG is s vibrant coral with many...