Chemi-Pure Elite adds ferric oxide to the original Chemi-Pure formula to also remove phosphates and silicates, making it the only complete choice for filtering any kind of aquarium. With Chemi-pure Elite, we have taken the next step in keeping Chemi-pure...

Now Includes a Prepaid USPS First Class Shipping Label + Testing is Now Done in the USA! The results of this test provide you with the most detailed analysis of marine aquarium water you've ever seen, enabling you to understand exactly what's missing,...

Flux Rx is simple and effective with levels easily achieved and maintained quickly for effectiveness when Bryopsis or Green Hair Algae are present.   How to prepare product: Turn off skimmer and discontinue using activated carbon and phosphate...

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 Kessil WiFi Dongle is the simplest, most reliable wireless lighting option in the market. Used together with the best-in-class A360X, the WiFi Dongle’s small frame plugs into the fixture’s K-Link port, and gives users the ability to...

  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.VorTech pumps are designed by aquarists to be...

"By the Pound" means you are choosing the weight of your rock. Ex: Qty 10  is 10 Pounds of Rock, NOT 10 Rocks. Selling individual rocks is impossible due to the fact that every rock is unique in size/shape/weight. Marco ReefSaver is a natural...

Reef Safe Kick-Ich -  is a water treatment for the control of itch (a.k.a. "white spot disease") in marine and freshwater aquaria. It has been scientifically formulated to eliminate the free swimming, infectious stage of the itch life cycle while...

SYNCRA SDC are the latest generation of SYNCRA pumps and are equipped with integrated intelligence systems to meet the needs of advanced recirculating applications. With programming freedom, controllability is finally coupled with power, energy...

Sera marin Spirulina Algae Grazer XL is an amazing new algae food that with the slightest of finger pressure will stick to the glass.  This allows for your fish to graze natu4rally on the flat round tablet.  This food is mainly mainly...

Marine fish eggs harvested from the cold North Atlantic Ocean, the source of the best nutrients. Shipping: Click Here to Learn More about Shipping of Live & Refrigerated Foods from Reef Nutrition An excellent food for a wide range of...

Optimal food source and Color Enhancer for Damselfish, small Angelfish, Sponge Feeders, and other Marine Fish with softer mouth parts. Red Marine algae is a nutritious supplement for all grazing fish, rich in vitamin C, and is 100% digestible. Feeding...

The New AI Prime 16HD shares the same cluster as the Hydra 32HD and Hydra 64HD. The Prime 16HD incorporates 16 LEDs (+1 Moonlight) and an all new TIR optic.  What's New: • More LEDs • More PAR • More Spread • Improved Optic...

5 US Gallons - High-density polyethylene construction withstands temperatures up to 180°F.

The Energy Bars available for our Apex systems are much more than a glorified power strip. In fact, this component of your aquarium controller equipment is far more important than most people realize – and not all systems are created equal! It...

A blend of the 5 marine microalgae most commonly used for their superior nutritional value for aquaculturing marine species of all kinds: Pavlova, Isochrysis, Thalassiosira weissflogii, Tetraselmis, Nannochloropsis, and Synechococcus. A blend of the 5...

The Fauna Marin Reef ICP Total Test gives a quick, accurate, and easy overview of over 90 water values in reef aquariums. From macro elements to trace elements and pollutants, you get a complete overview with corresponding dosage and action...

The XStream SDC propeller pump is the latest addition to the Cloud based family of interconnected Wi-Fi aquarium devices introduced by SICCE with SYNCRA SDC range. With the FREE download of ContrALL, you can control the pump from using ContrALL App and...

Don't just put rocks in your tank, ROCK YOUR REEF with LifeRock Shelf Rock! Spectacular shelves make the perfect display area for inverts or use shelves to create caves and platforms. Amazing porosity, incredible biological performance (drops ammonia...

Special Reef Sand is a coarse mix of 1-3 mm size aragonite sand sustainably harvested from pristine sites in the Western Pacific and Caribbean. Sterilized then packaged with live BioPronto, naturally occurring beneficial microorganisms that help to...

Easy way to feed veggies to your fish!  Great for Cichlids, Catfish and many types of Marine Fish.   I first saw this at a trade show and I was like.  I'm not sure.  Now after using if for a week or 2, we had to bring it to...

AcroPower supplies amino acids that corals need to build their skeletal architecture. Like other cnidaria, corals have a special ability to uptake dissolved amino acids across their entire surface. Closed system aquariums with protein skimming and other...

Phyto-Feast® Live has the same algae as Phyto-Feast but is handled with special care, being harvested and shipped fresh each week, maximizing short-term cell viability. A blend of the 5 marine microalgae most commonly used by universities and...

Customizable DIY Aquarium Net Cover COMES UNASSEMBLED IN A TUBE - YOU MUST CUT AND BUILD THIS YOURSELF STOCK PHOTO SHOWS WHAT CAN BE DONE WITH EXTRA PARTS SOLD SEPARATELY - THIS KIT ONLY MAKES A MAX SIZE RECTANGLE LISTED Keep your finny friends safe...

The "Care Magnet" is a breath of fresh air in the field of aquarium pane cleaner design, consisting of an ergonomic handle and special plastic blades made of wear-resistant high performance plastic. The patented slim Care Magnet is significantly more...

Prime® is the complete and concentrated conditioner for both fresh and saltwater. Prime® removes chlorine, chloramine and detoxifies ammonia. Prime® converts ammonia into a safe, non-toxic form that is readily removed by the tank’s...

ONE FREE ITEM PER ORDER.  THIS STICKER IS FREE WITH ANY ORDER OVER $50.  JUST ADD $50 WORTH OF PRODUCTS TO YOUR CART AND THIS ITEM WILL BE FREE. Sticker is 3" by 5" on white adhesive background.

TDO Chroma BOOST is a granulated and pelleted fish and coral feed "top-dressed" with Haematococcus (which provides an excellent source of astaxanthin) for vibrant color and superior nutrition.  New formulation optimized with 400 ppm astaxanthin for...

When it comes to a power failure, it’s not a matter of if, but when. Fish and corals can perish in as little as 4 hours without water flow. The IceCap Battery Battery Backup Version 3.0 will keep your flow pump running uninterrupted in...

The ReefATO+ sensor requires the electrical conductivity levels that are typical for seawater to work properly and therefore this system will not work for freshwater systems. The ReefATO+ is an exceptionally reliable auto top-off system that includes a...

This substrate is different than all other live sand products on the market. Ocean Direct™ utilizes “Sea Breathe” technology, which preserves real live sand with its own original bacteria. Every breathable bag of Ocean Direct™ is...

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...

Nerite snails are extremely popular for their unique patterns and colors, as well as their practical benefits. They work hard to clean algae off of glass, plants, and decorations, they eat hair algae, and they keep your substrate clean and the...

308-WIFI： [WIFI & APP] WIFI smart controller supports both IOS & Android WIFI supports 2.4GHz Wi-Fi router, free APP “InkbirdSmart” which is able to monitor temperature at any time.  [Dual Relay Output] Dual relay...

Skimmer Security Made Simple Smart Skimmer Security by AutoAqua uses the uniquely-designed contactless optical sensor to prevent the protein skimmer from overflows. No moving parts to service or fail. Magnetically coupled sensor makes it super...

New to ESHOPPS Bio Cup R, (Rectangular) media cup is designed to be used in place of a standard 4”x7” filter sock. ESHOPPS Bio Cup R all acrylic construction & high flow water channels allow for any type of filtration media...

Oceans Wonders Large 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 1-1/8"" crown with a 7/16" base and fit perfectly...

Optimal food source and Color Enhancer for Damselfish, small Angelfish, Sponge Feeders, and other Marine Fish with softer mouth parts. Red Marine algae is a nutritious supplement for all grazing fish, rich in vitamin C, and is 100% digestible...

COMES UNASSEMBLED IN A TUBE - YOU MUST CUT AND BUILD THIS YOURSELF There is nothing worse than checking your tank in the morning and finding your favorite fish lying dead and crispy on the carpet.  Many fish, especially wrasse, have a tendency to...

Main features of Red Sea’s Seawater Refractometer include:Directly reads the absolutesalinity ofseawaterat25°C/77 0F ( No need for seawater or temperature compensation factors)Specifically designed for the ionic content of seawater (NSW) for...