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We’ve partnered with Kolar Labs to bring the best available aquarium carbon directly to consumers. Calgon Carbon’s CRYSTAL CAL granular activated carbon is true liquid phase activated carbon made for...

Excellent for light canopies, enclosed stands & cabinets to control heat and improve air circulation. The Reef Octopus USB Smart Fan will automatically increase or decrease the fan speed depending...

The Phosphorus Ultra Low Range Checker® HC Calibration Check Set provides a simple solution to validating the Phosphorus Ultra Low Range Checker® HC - HI736 that has a range of 0 to 200 ppb as...

Photocatalytically Enhanced Aquarium UV Sterilizer The Vecton Titan UV has been produced using specially selected photocatalytic material. The photocatalytic reaction provides a safer alternative to...

Maxi-Cure extra thick CA is the best CA for fragging corals, including GE’s Lexan MAXI-CURE is the best choice for saltwater. When used with INSTA-SET, it works better than any putty for modifying or...

Efficient. Quiet. Smart.The REEFER DC Skimmers include self-leveling technology that prevents over-skimming and full cups from spilling while continuing to aerate the water. Self-Leveling.The...

Recommend to be used on aquariums up to 10 gallons, with a surface thickness up to 3/16” Product dimensions: (1 ¾” x 15/16” x ¾”) (Note: Can also be used on glass/plastic aquariums) Item...

Reef Nutrition RGComplete™ is a super-concentrated, premium quality zooplankton food and invertebrate food and enrichment for rotifers and many other filter-feeding zooplankton and invertebrates...

Bioload Handling Heavy - 110 gal Medium - 150 gal Light - 210 gal High Performance Venturi Air Injection System Reef Octopus Aquatrance 2000s Skimmer Pump Refined Hybrid (half cone)

Premium plastic acrylic-safe algae scraper replacement blade for marine and freshwater aquariums. Available with Cyan Plastic Blade (AquaBlade P) or Stainless Steel Blade (AquaBlade M). Backwards...

You can now bring the world’s most exotic reefs into your home with CaribSea’s Arag-Alive!™ substrates. Eight environmentally accurate ecoscapes, developed through CaribSea’s cooperation with public...

Average frag 1-5 polyps.  If you are looking to buy vibrant color coral online to add to your reef tank, this is the best choice. Mohawks Zoanthids are a fast growing coral that will reproduce and...

Butterflyfish Auriga  2.5" - 3.5" in size. Butterflyfish Auriga or Chaetodon Auriga is also known as the threadfin butterflyfish. These butterflyfish are generally an easier choice, when it comes...

Not just a great coral for the entry level aquarist, the Fuzzy Lobo adds incredible texture to any mixed reef aquascape

3 Pack is great for portioning food for your tank sitter!  Defrost and rinse your frozen food at the same time using the saltwateraquarium.mom defroster cup with insert 3D Printed by Vivid Creative...

The ModMag is the cornerstone many solutions in the AvidAqua line of aquarium products. Its sliding-slot design provides magnetic attachment of multiple accessories, simultaneously, both inside and...

The Phosphate Low Range Checker® HC Calibration Check Set - HI713-11 provides a simple solution to validating the Phosphate Low Range Checker® HC - HI713 in the range of 0.00 to 2.50 ppm (mg/L)...

The Python No Spill Clean an d Fill is a complete ready-to-use system which adapts easily to most faucets and makes water changes a breeze.  It drains as well as fills aquariums and will not disturb...

Tridacna maxima has the widest distribution of any Tridacnid species. It is found from the Red Sea, throughout the Indo-Pacific region, to Australia and Polynesia. It usually occurs in shallow, clear...

A tropical species of seahorse that has dramatic yellow and black rings along the tail. 

Coarse Mesh Nets are ideal for general fish handling and our Fine Mesh Nets are perfect for delicate fish handling and skimming debris. Sizes: 4", 5", 6", 8", 10" and 12". Long handle Nets: 5"...

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...

The Mag-Float revolutionary patented floating aquarium cleaner removes algae from your aquarium without getting your hands wet. Super convenient floating cleaner, cleans aquarium surfaces and floats...

Not quite Reef Saver, not quite Shelf.  Quite Unique. This Hybrid MarcoRock seems to do it all.  It lends itself to be quite easy and forgiving to work with.  The shelving aspect allows for ample...

(12 Pack) Green Chromis medium in size. Green Chromis or Chromis Viridis is a great addition to a reef tank. This fish is best in schools of 6 - 24 together.  *Photo is a representation of the fish...

Naturally found in seagrass beds off the coast of Japan, the ORA Whitespotted Pygmy Filefish is a diminutive addition to the peaceful marine aquarium. Growing only 3” long from their pouty colored...

Universal mounting arm 160S/170 The mounting arms attach each ReefLED™ 160S/170 individually to the rear wall of a tank and can be rotated to the

The Coralife BioCube has a sleek modern rounded edge design and is the perfect innovative all-inclusive aquarium for all needs! The slim low-profile hood contains vibrant LED lighting that is capable...

Reduce Nitrates and eliminate Algae problems with Solid Carbon Dosing. Pure PHA Bio Pellet Pearls! N+P reducing algae prevention. Metabolix is the original supplier of genuine pure Biopellets tested...

Microcrustaceans such as amphipods, isopods and copepods are a vital component of nearly every aquatic ecosystem on Earth from marshy roadside ditches to the deepest seas. Copepods (subclass...

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...

Exquisite Fairy Wrasse 2" - 3" in size. Exquisite Fairy Wrasse or Cirrhilabrus exquisitus will not pick on corals or invertebrates, making them an ideal fish for the reef aquarium. *Photo is a...

Hassle-Free Feeding with a Secure Clip Design Nutrition for Herbivorous & Omnivorous Fish Disc-Shaped Design for Easy Feeding Balanced & Complete Nutrition for Optimal Health Fortified with...

Shipping: Live Foods Ship on Select Days & Have a 100% Arrive Alive Guarantee INCLUDES: 5280 Pods Three Species Mix For Maximum Copepod DiversitySeed Your Aquarium

Reach into your aquarium with precision and confidence using the Aquarium Tongs Carbon. These high-quality tongs are an essential tool for any aquarist, offering a perfect blend of strength,...

Whether you are going to a frag swap, a trip to a local fish store, or just trading frags with other hobbyists, you always need a safe and easy way to transport your corals from one tank to another...

Bicolor Angelfish 2" - 3" in size. Bicolor Angelfish or Centropyge Bicolor is recognizable by its yellow tail, yellow face, and a blue rear with a blue pattern over the eye. *Photo is a...

Often times referred to as “Brain Corals” due to the fleshy folds of their tightly packed polyps, these popular corals offer aquarists both beauty and wonder. At night the coral completely reinvents...

When setting up an aquarium with CaribSea's dry products please rinse the substrate well, until the water runs clear or relatively clear! The susbtrate should be carefully placed on the bottom of the...

Nature's Ocean Purple Base Rock 40 LBS (Approx. 5 -9 inches) Purple base rock will become naturally live overtime because of its porosity : No artificial or engineered bacteria, Rapidly adapts to the...