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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...

The Ultimate Hair Algae Destroyer When it comes to eradicating stubborn nuisance algae, few members of the cleanup crew can compete with the raw power and efficiency of the Pincushion Sea Urchin...

This proven and effective treatment helps kill aiptasia and prevents it from reproducing. When used properly, it is reef safe and will not harm corals or other inhabitants. If you've ever had...

(Reagents SOLD SEPARATELY) The Trident is an automated testing system that regularly tests alkalinity, calcium, and magnesium in your saltwater aquarium — and then communicates this information to...

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...

Don’t be fooled by its compact demeanor! The Nero 5 punches well above its class delivering true 3000 gallons per hour (gph) of flow. That’s the kind of flow that keeps your tank clean and your...

When it comes to copepods, Reef Nutrition has you covered whether you want to seed a tank, boost a population, use for feed or culture.  Pack contains 6 oz bottles of LIVE Apex-Pods, LIVE Tigger-Pods...

Extreme Accuracy. Easy to Test in 4 Steps - Zero the Checker, Add a regent to your water sample, Insert the Vile in the Checker, Read the Numbered Results. BOOM EASY. ZAIR. Zero, Add, Insert, Read...

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...

In an aquarium, having the right amount of flow is crucial to the health of the ecosystem. With VorTech QuietDrive choosing the correct water circulation equipment has never been easier.

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...

One Rock Flower Anemone Coral 3" to 5" in size. *Photo is a representation of the corals you will receive.  These are not WYSIWYG - Photo is a representation of the corals you will receive. ALL...

Deluxe 4-color tube kit Everything required to connect a dosing pump in one convenient kit. Available in 2 color versions (blue/green and red/yellow), providing 8 unique colors for easily...

Fish Food – Frozen Brine Shrimp Brine Shrimp Scientific name: Artemia sp. The

Reborn is back to it's original size & formulation.  Large size pieces. Reborn® coarse aragonite media for calcium reactors is composed of fossil skeletons of reef building corals sustainably...

Scientific name: Neomysis japonica Excellent for Finicky Fish Mysis Shrimp are excellent for finicky eaters and one of the few frozen foods that seahorses will eat with no problems. They...

Requires a Hydros to Control the Unit The HYDROS Dosing Pump is a simple and affordable way to automate the addition of liquid supplements, trace elements, and two-part solutions to an aquarium...

Fish Food – Frozen Brine Shrimp Baby Brine Shrimp Scientific name: Artemia sp.

ReefDose is designed and built specifically for the daily supplementing of reef aquariums.  ReefDose uses bespoke (patent-pending) single-drop-accuracy dosing heads together with an advanced...

Complete Bioculture for Establishing Biological Filtration & Rapidly Improving Water Quality Overview Complex system of non-pathogenic aerobic and anaerobic microbes, as well as natural...

On average 3/4" - 1" in size.  If you are looking to start buying coral online to add to your aquarium, this is the best soft coral. Neon Green Star Polyps or GSP coral is a great beginner coral...

Oceans Wonders Ceramic Coral Frag Plugs are perfect for the propagation or fragging of hard and soft branching corals such as Acropora, Birdsnest, Montipora, Kenya Trees, Xenia, ect. They have a 3/4"...

The pharmaceutical grade sea salt especially for modern reef aquaria. Tropic Marin® PRO-REEF Sea Salt has been designed to meet the special requirements of reef aquariums with optimized...

Tropic Marin® K+ Elements contains a selection of essential cationic trace elements for the promotion of growth and the natural coloring of the corals. Trace elements are natural minerals which are...

Tropic Marin® A- Elements contains a selection of essential anionic trace elements for the promotion of growth and the natural coloring of the corals. Trace elements are natural minerals which are...

Lawnmower Blenny  2" - 3" in size. Lawnmower Blenny or Salarias Fasciatus is also know as the algae eating blenny. This fish will eat algae in your tank and have a big personality. *Photo is a...

The Sicce ultra zero utility pump is scientifically designed for pumping cloudy water without a large debris content. This multi-purpose pump is ideal for solving many issues associated with domestic...

Marco ReefSaver is a natural rock that is harvested on land from an ancient reef system buried when the Florida land mass was formed.  Whether you are building a Saltwater fish only, a Reef tank or a...

Ready-to-Use Complete Reef Mineral & Trace Element Solution Say goodbye to messy two-part mixing, tangled dosing tubing, and tricky balancing acts. Tropic Marin All-For-Reef (500 ml) is a pre-mixed,...

Four Varieties of Food For All Saltwater Fish Saltwater Multi-Pack™ is four varieties of food in one package! It contains six cubes each of Marine Cuisine™, Emerald Entrée™, Plankton, and Omega...

A revolutionary product developed by Julian Sprung for cleansing live stony and soft corals, zoanthids, and anemones. It is a surface cleaning dip based on plant extracts. Use for all general purpose...

Replacement dosing pump with low voltage 3-12V DC for osmolator.Power with 4mm hose at 11V: 0.9m – 110/h, 1.4m – 80l/h, 1.8m – 58l/h, Hmax 3.6m.

Scientific name: Cyclops vicinus High in Protein Cyclops feed fish, invertebrates and corals simultaneously. They stimulate appetite, promote proper growth, resistance to stress, and a long...

DINO X is a very strong and effective solution which removes any hairy or plague type algae growth and dinoflagellates in Reef Tanks. It treats algae outbreaks in reef aquariums without harming...

A unique mix of both oyster eggs and oyster ovarian tissue—the richest nutritional parts of the oyster found in nature. Naturally size-appropriate and an excellent food for the smallest SPS...

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...

Straightforward and safe water level controller for fresh and sea water with optical control sensor and independent thermal safety sensor. A constant water level keeps the salt concentration constant...

Hanna Instruments HI97115UC Marine Master Bluetooth Multiparameter Checker Precision Testing for the Serious Reef Hobbyist Achieve unparalleled accuracy and control over your reef aquarium's water...

The ReefMat is a plug & play, fully automated, smart fleece roller filter that keeps your aquarium water crystal clear for weeks at a time. Installation Instructions for EVERY Red Sea Model...