Filter socks are used as a effective first stage of an aquariums filtration process and should be placed so that water coming from the tank filters into the filter sock first removing uneaten food, detritus, organic waste, dust and other small...

Acclimating fish and coral gives your new arrivals and fin up for living in your tank. Drip acclimating is less intensive on you and easier on the fish. This simple, yet effective drip acclimator is used around our office and by Mr. Saltwater Tank. 

The gold standard for generating flow in reef tanks, the VorTech® is unsurpassed in beauty and functionality. Dimensions Dry-Side: 3.00 x 2.25 inches (76.0 x 57.0 mm) Wet-Side: 3.00 x 3.00 inches (76.0 x 76.0 mm) Flow Flow: 4,500+ gallons...

High quality, reusable aquarium filter bags providing different levels of mechanical filtration. These 10.5″/26cm long filter bags for Red Sea’s REEFER and MAX-S aquariums will also fit any standard 4″/10cm filter bag holder. 100...

The HI782 Marine Nitrate High Range Colorimeter is specifically designed to quickly and accurately determine high levels of nitrate for saltwater aquariums and marine applications. With a digital read out, there is no more struggling to determine colors...

An all-in-one superfood that will have your corals thanking you, delivering better growth, higher resilience, brighter colors, greater ease of use with automatic dosers, and minimal over skimming. Based on our long-term research, Reef Energy...

This is the only ICP Test Kit currently on the market that includes the prepaid return shipping label to send the samples in.  Just pop it in the mail box. With the ARCOS II ICP-OES machine, we have chosen an analyser of the highest in its class...

Aiptasia-X is a unique, thick adhesive mixture that globulates on contact with the aquarium water. It is easily injected near to the oral disk of the anemone and stimulates the anemone to ingest the material without causing it to withdraw...

These peppermint shrimp are captive-bred, tank raised & completely reef-safe, and will consume nuisance Aiptasia anemones. The name Peppermint Shrimp applies to a variety of Lysmata species that are distributed along the Eastern...

We are pleased to announce our NEW HI98319 waterproof salinity and temperature tester! Waterproof and floats! Includes 4x of the Salinity Calibration Fluid Packets. Automatic Calibration – A 35.00 ppt solution is used for calibration and...

Bionic Calcium Buffer is the original, unique, easy to use, two-component liquid supplement system. When using equal volumes of each component, the aquarist can easily maintain calcium and alkalinity levels with no mixing powders, disruption of ionic...

These peppermint shrimp are XL large size wild caught.  Lysmata wurdemanni is a reef safe cleaning animal which consumes parasites and dead or diseased tissue from other animals, and is therefore used in marine...

Only Selcon Concentrate contains Omega-3 HUFA, Vitamin B12 and pure stabilized Vitamin C. So if you are establishing a saltwater breeding program, preventing/reversing lateral line disease or just maintaining a healthy reef system, try Selcon; it's...

Net Cover Zig Zag 15/40mm | Item code R42085 Use for circumventing equipment mounts such as LED ZigZag 15  Left (F) – 1 ZigZag 15  Right (F) – 1 ZigZag 40  Left (F) – 1 ZigZag 40  Right...

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 aquariums and zoological parks...

Helix Ships on Tuesday - Wednesday from ALGAE BARN in CO to ensure the freshest possible product as we receive weekly Monday shipments of this. Not only does Coralline Algae in a Bottle speed up the process of developing colorful coralline algal crusts...

The Crossover Diet from Neptune Systems is a new type of food that was designed specifically for coral reef tanks and specifically for automatic feeding systems. Working closely with Reed Mariculture (the manufacturer of Reef Nutrition foods) we came up...

Mexican Turbo snails quickly eliminates large amounts of nuisance algae. It is particularly fond of hair algae and will consume mass quantities of it and other algae off your live rock and aquarium glass.  An excellent member of your...

Reef Glue™ is a superior cyanoacrylate gel for gluing and mounting coral frags and colonies to reef rock or plugs. It bonds within seconds and has excellent control, hold and durability characteristics. It can even be used underwater. Reef...

The AI Prime 16HD is a customizable LED light for saltwater aquariums.  It's a full spectrum light that includes a moonlight channel.  AI Prime 16HD is ideal for small to medium reef tanks.  It has a spread of 24 inches by...

Easily mount your AI Prime® on your rimmed or rimless tank with the adjustable Prime Tank Mount. The innovative ball joint makes it simple to tilt and turn your Prime to get the optimal light for your corals. Made of high-quality brushed aluminum it...

The HI98103 Checker pH tester has been designed with many advanced features while maintaining the look and feel of the original Checker. The redesigned Checker now offers automatic calibration to one or two points, automatic buffer recognition,...

The POLY-FILTER is for filtering and purifying both fresh and salt water aquariums. It is a formulation of a special patented material bonded to a synthetic matrix. By means of a unique proprietary process, the POLY-FILTER is made impervious to salt and...

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

REEF-SPEC Carbon Highly activated carbon for marine & reef aquariums Red Sea REEF-SPEC™ Carbon is the ultimate choice for marine & reef aquariums due to its unique technical characteristics. Red Sea REEF-SPEC™Carbon’s granule...

An all-in-one superfood that will have your corals thanking you, delivering better growth, higher resilience, brighter colors, greater ease of use with automatic dosers, and minimal over skimming. Based on our long-term research, Reef Energy...

This is the new Liquid Only test.  There are now two liquids, no powder. Magnesium is present in NSW in a fairly high concentration (1300 - 1400 mg/L). Magnesium is an essential part of chlorophyll, which is necessary for photosynthesis. Without...

The Hanna Marine Alkalinity (dKH) Checker® bridges the gap between simple chemical test kits and professional instrumentation. Chemical test kits have limited accuracy and resolution since they rely upon the human eye to discern differences in color...

Most household glass cleaners contain ammonia or other harsh chemicals that are toxic to fish, reptiles and invertebrates. Fritz Glass & Acrylic Cleaner is ammonia free and safe to use on exterior surfaces around an aquarium or terrarium. Unique...

Now Available in an Easier to Ship Box - No More Broken Buckets with Salt Everywhere - https://www.saltwateraquarium.com/red-sea-salt-mix-blue-box-makes-160-gallons-red-sea/ Red Sea Salt contains biologically balanced, elevated levels of...

High-tech, for a reliable water level in the aquarium.  Water level regulator with two sensors suitable for use in cabinet filters, in Comline filters or directly on the edge of the aquarium.  Scope of delivery: Ready for mounting with...

A too high nitrate concentration can result in unwanted algae-growth and these might irritate corals in their neighborhood. Nitrate as such also retards coral growth. The nitrate concentration in a proper functioning reef aquarium should...

1000 ML - 33 oz Bottle Red Sea NO3: PO4-X is a unique complex of carbons that are used by nutrient reducing bacteria. Each carbon in the complex is utilized by different strains of microorganisms while ensuring the specific...

Live product. Keep refrigerated. Do not freeze. Refrigerated life is 4 months with a temperature Range of 34 - 50 degrees F. Use before expiration date on bottom of bottle. Shipping: Live Foods Ship on Select Days & Have a 100% Arrive Alive...

SAMPLE FREE ON ORDERS OF $20 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...

It's important to keep your PUMP in prime operating condition to ensure long-life and efficient operation. Over time, natural mineral deposits will form in your pump, and if untreated, may cause undesirable operation or even failure. Sicce’s Pump...

PHOTOS ARE EXAMPLES - THESE ARE NOT MADE IN A MOLD - YOU WILL NOT BE GETTING THESE EXACT SAME ROCKS All rocks are unique in size, shape and weight. Fantastic shapes, incredible colors… Well check out new LifeRock™ Shapes, the latest...

Micron filter bags provide excellent mechanical filtration, which helps reduce the amount of ammonia-producing organic matter in your aquarium. They also help prevent larger objects such as sand, crabs, and snails from damaging pump motors. Add these...

Acclimating fish and coral gives your new arrivals and fin up for living in your tank. Drip acclimating is less intensive on you and easier on the fish. This simple, yet effective drip acclimator is used around our office and by Mr. Saltwater Tank...

Don’t just put rocks in your tank, ROCK YOUR REEF with LifeRock™. Amazing porosity, incredible biological performance (drops ammonia like real live rock), and unsurpassed realism make LifeRock™ the best and most cost effective rock...