Tank Builds & Series

Super nutritious Natural Green Seaweed. Ideal for marine herbivores such as Tangs and Surgeonfish, Moorish Idols, Parrotfish, Angelfish, large Butterflyfish, and herbivorous freshwater fishes, such...

We are pleased to announce our NEW HI98319 waterproof salinity and temperature tester! Waterproof and floats! Includes 4x of the Salinity Calibration Fluid Packets.

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...

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...

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...

PLEASE ONLY PURCHASE 1x Two Month Supply.  We will not be able to restock any reagents for the next 30 days. 2-month reagent kit (based on the default testing schedule of 4-Alk/2-Ca/2-Mg per day)...

The Reef's Tireless Janitor Discover the hidden gem of aquarium clean-up crews with the incredible Brittle Starfish. A close relative of the Serpent Star, the Brittle Star is a master scavenger,...

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...

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...

Nassarius snails are very active scavengers, feeding on crabs and carrion as dead fish, etc. They often burrow into marine substrates and then wait with only their siphon protruding, until they smell...

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...

Ammonia Alert™ is an innovative color device for continuously detecting and monitoring toxic free ammonia. A sensor changes reversibly from yellow to green to blue, relative to the ammonia...

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...

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...

IC-GEL™ is a cyanoacrylate paste that is extremely thick which comes in an applicator tube like toothpaste. It has the same bonding and curing time characteristics as MAXI-CURE™. IC-GEL™, however,...

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...

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...

Our Reef Cleaner Packages are Wild Collected they let you naturally control algae, maintain crystal clear water, and keep your sand bed sifted. The number of cleaners provided in these packages are...

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...

The AI Prime 16HD is a customizable LED light for saltwater aquariums.  It's a full spectrum light that includes a moonlight channel.&nb

Red Sea REEF-SPEC™ Carbon is a premium, highly activated carbon specifically engineered for marine and reef aquariums to ensure the highest standard of water clarity and purity. It is the ultimate...

Scarlet & Blue Leg Hermits are an essential part of any Clean up Crew.  This omnivore can access the smallest crevices and openings within aquascape to consume any nuisance algae including hair algae...

The Heavyweight Champion of Clean-Up Crews is Here! When it comes to devouring nuisance algae, no snail does it better than the Mexican Turbo Snail (Turbo fluctuosus). Revered by hobbyists for...

Efficient, high-flow, skimmer friendly non-woven polyester fleece-mat rolls. Installation Instructions for EVERY Red Sea Model - https://www.redseafish...

Boyd Enterprises is proud to announce a revolutionary NEW addition to the Chemi-pure family, Chemi-pure Blue! Chemi-pure Blue is specially created for fantastic results in reef and marine aquariums...

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...

It is designed for testing the concentration of salt water and brine and used for quality control in research and clinical laboratories and marine industry. Its scale provides a direct reading of the...

South Seas Base Rock - Natural weathering processes form the fantastic shapes of South Seas Base Rock by the erosion and pitting of limestone over the course of eons. It is clean and safe for marine,...

Scarlet & Blue Leg Hermits are an essential part of any Clean up Crew.  This omnivore can access the smallest crevices and openings within aquascape to consume any nuisance algae including hair algae...

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...

The Solar-Powered Bryopsis Eater Behold one of the most beautiful and biologically fascinating creatures in the marine hobby: the Lettuce Nudibranch. This stunning sea slug, with its frilly,...

Trochus snails consume film algae, hair algae, diatoms and some species of cyanobacteria. These snails are excellent for cleaning the rocks and glass of your aquarium, but tend to shy away from the...

"By the Pound" means you are choosing the weight of your rock.  Ex: Qty 5  is 5 Pounds of Rock, NOT 5 Rocks. Selling individual rocks is impossible due to the fact that every rock is unique in...

Our Reef Cleaner Packages are Wild Collected they let you naturally control algae, maintain crystal clear water, and keep your sand bed sifted. The number of cleaners provided in these packages are...

Super nutritious Natural Green Seaweed. Ideal for marine herbivores such as Tangs and Surgeonfish, Moorish Idols, Parrotfish, Angelfish, large Butterflyfish, and herbivorous freshwater fishes, such...

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...

This is the new reagents set with 1x Powder, 1x Liquid. These Reagents are for use with the HI783 Marine Magnesium Checker. These high-quality reagents are manufactured at the Hanna state-of-the-art...

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

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...

Oceans Wonders CORALLINE PURPLE reef safe epoxy bonds just about anything. It is designed to be used for attaching corals to our frag mounts or live rock. Works under water or out. Very easy to use...