Foxface Rabbitfish 2.5" - 4.5" in size. Foxface Rabbitfish or Siganus Vulpinus have a striking yellow body and white face with black striping. This Foxface Rabbitfish has venomous spines on its back. *PLEASE HANDLE WITH CARE!*  *Photo is a...

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 #00025 Easy removal of...

3 Pack is great for portioning food for your tank sitter!  Defrost and rinse your frozen food at the same time using the SaltwaterAquarium.com defroster cup with insert 3D Printed by Vivid Creative Aquatics Removable screen and inner cup for easy...

The ever so popular MarcoRocks premium Shelf rock, now available in Nano size for smaller aquariums.  100% natural, made in the USA. Easily Stackable Natural limestone product from ancient reefs Can easily be glued together with Coral glue...

ALL-NEW DURABLE PACKAGING! Each 16oz portion of 5280 Pods contains 5280+ LIVE Tigriopus, Tisbe, and Apocyclops Copepods ranging from nauplii to adult sizes. 5280 Pods is great for seeding new tanks and refugiums, boosting...

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. When used together, the Reef...

Don't let its size fool you. Evo packs the same performance features as a tank several times its size, but is small enough to fit on any desk or counter top. A super bright 11000 K LED provides optimal conditions for healthy coral growth color and...

There are three models with a pump outlet from 100, 200 (2 x 100) and 400 (2 x 200) l/h, the smallest model has one and the two larger ones both have two individually adjustable air outlets. And they come equipped with one or two EHEIM...

Well built, easy cleaning via the removable body, easy adjustment, quiet and most importantly, skimming great.  Bubble-Magus skimmers are practical and highly efficient. These skimmers offer innovative features along with reliable pumps at an...

No more fumbling with the aquarium lid or getting fish food stuck to your mesh screen! Elimates the need for removing the aquarium lid during feedings Compatible with all mesh screen aquarium lids Simple installation Minimal visual impact Cover...

Big Pump Features in Pumps of All Sizes Control with MyAI, Mobius, or MXM Three Easy-to-Use Pump Modes Ideal for All-In-One Aquariums up to 15 Gallons Axis pumps offer full control, wireless smart device programming, DC motor quiet operation, and...

The Gold Nugget Maroon clownfish is our most distinct clownfish variety to date.  Its unique appearance is the result of a genetic mutation that manifests in a similar way to the mutation that produces the Platinum Percula. However,...

HYDROS Control 4 is a powerful and robust aquarium controller capable of performing all essential functions needed to maintain a healthy aquarium without the need for extra expensive modules. Set up is quick and easy, making this ideal 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 on the ambient temperature of the area surrounding...

Monitoring the salinity, pH and temperature of the water is an important routine in the maintenance of a marine aquarium or marine aquaculture. The Hann HI981520 is an easy-to-use monitor that continuously monitors and displays salinity (via...

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...

Concentrated KH Buffer Supplement for All Marine Fish and Reef Aquaria Overview Alkalin 8.3P is a multi-component automatic buffer that regulates pH, unlike sodium carbonate its use makes for a much more stable aquarium. Eliminates pH and KH...

Fully adjustable 1-10 ml pipette for accurate measuring during testing. Volume Range:1-10ml; Increment: 100μl. This 10ml Pipette's fit 10ml Four E's Scientific Tip's Digit display to allow for more accurate volume setting and easier volume...

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 aquarium, and your preconditioned water should be...

No assembly requiredEasy installation (Clamp mounting bracket) Clamp mounting bracket can fit over aquarium walls up to 1/2" thickExtend Longevity of your lighting systemLow power consumptionAdjustable direction of air flowDimension: 16" x 4.75"x 1...

FREE with Orders of $250 or More Benereef is not just a coral food, it is engineered for the entire reef. Our patent-pending pre and probiotic formula is unlike anything else on the market. It looks different and smells different because it is different...

Yellow Coris Wrasse 3" - 4" in size. Yellow Coris Wrasse or Halichoeres chrysus is also known as the Golden Rainbowfish, Golden Wrasse, Yellow Coris, or Canary Wrasse.  *Photo is a representation of the fish you will receive.  

Not just a great coral for the entry level aquarist, the Fuzzy Lobo adds incredible texture to any mixed reef aquascape. Its densely packed polyps give each finger-like branch a soft, feathery appearance. Tolerant of a wide range of...

Take your best coral reef tank photos yet! Quality snapshots of the beautiful corals in your aquarium has never been so easy! FL!PPER's Universal Smartphone Camera Lens Photography Filter Kit doubles as a Kick-Stand and comes with (2) easy-change...

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 and created for the aquarium market. Real Pearl shaped...

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

The A500X is a powerful 185W high intensity LED designed specifically for experienced SPS coral growers. This fixture integrates the latest Dense Matrix LED technology with the proprietary Kessil Logic, and delivers a concentrated light with well blended...

Make short work of your dirty sump or bare-bottom aquarium. Simply attach the MJV to a SICCE Syncra Nano with the included snap-in adapter or use it with a spare Cobalt Aquatics™, or Marineland® Maxi-Jet® Pump Protect Your Pump With the...

Choose the size best suited for your system:4 oz bottle treats 120 gallons (454 liters)8 oz bottle treats 240 gallons (908 liters)16 oz bottle treats 480 gallons (1,817 liters)32 oz bottle treats 960 gallons (3,634 liters)64 oz bottle treats 1,920...

The Prodigy by ESHOPPS is a new addition to the Color Series that combines Innovation and Creativity at its core. It was created for advanced aquarists with efficiency and beauty in mind. The Prodigy is the slimmest overflow ever created, elegantly built...

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 compartments to increase the filtration capacity...

Flow Comes Full Circle Versatile Cross-Flow Pump Control with MyAI, Mobius, or MXM Four Easy-to-Use Pump Modes Ideal for Aquariums 20 Gallons and Larger Orbit pumps produce a unique type of flow.  Circling the aquarium with water...

Reef Kalkwasser™ is a pure calcium hydroxide with unsurpassed purity and solubility characteristics. Calcium hydroxide is used to prepare limewater (kalkwasser) solutions that will maintain calcium concentrations at natural seawater levels...

German-made Tunze powerheads are one of the best high flow powerheads available. They are smaller and can be hidden in the aquarium easier than competing brands. Tunze pumps can be configured in a wide range of positions to target any area of the...

This exceptional variety of Pink Birdsnest coral has a tangled network of thin fuchsia branches with delicate green tips. The ORA Green Tip Pink Birdsnest has polyps that have a blueish green hue and widely spaced branches with rounded tips. Best...

A compact aquarium controller with 4 Universal Sense ports dedicated to measuring parameters. Starter Kit Includes: Control XS Unit, Power Supply, Temperature Sensor, 4-Outlet WiFi AC Power Strip The HYDROS Control XS Starter Kit...

Specifications: Dimensions - 6.25" x 2.75" Plug Capacity - 12 Magnets - 1 Glass Thickness - up to 1/2"

Black Friday Promo - Includes a Free Pair of ReefView Glasses (a $9.95 Value) Red Sea Salt contains biologically balanced, elevated levels of the foundation elements (Calcium, Magnesium, Carbonates) necessary for sustainable, accelerated coral...

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 ridges and overhangs, which truly is the...

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) Skimmer Body Easy to Remove Cup with Drain Precision...