Recommend to be used on aquariums up to 30 gallons with a surface thickness up to 3/16” Product dimensions: (2 3/8” x 1 3/8” x 1”)

Our sand-sized Super Naturals are now Super Natural “Aquascapes”. Each bag contains a premeasured dose of beneficial bacteria to help start the cycling process. There are 8 colors to choose from, including new Midnight River. All...

Based on our Benereef formula, Benepellet LPS is scientifically engineered to optimize nutrients for LPS corals, Anemones, Crustaceans, Azoox corals, Fish and Invertebrates. Bioavailability and nutrient absorption help maintain low nutrient impact,...

Who knew your favorite tank accessory would be on your sand bed?! Introducing the PNW Custom Frag Tray! This 48 hole frag tray is the perfect place to store your most prized frags - zoas, torches, and more! This size fits in many containers for travel,...

For connecting up to 3 eFlux DC Wave Pumps. Features LED indicator light that displays connection status, IC protection (short circuit, overload, over-voltage), and blue silicone splash cover.  HUB ONLY - w/ Velcro and screws

Wet/Dry filters are a must for any aquatic ecosystem, they enhance biological filtration as well as mechanical filtration with the proper pump they will cut down maintenance time and do a much better job than traditional filters including canister...

KH Buffer Powder for all Marine Fish and Reef Aquaria Overview Raises alkalinity, adjust pH to 8.3 Unlike single component KH products such as sodium carbonate, Alkalin 8.3P is a multi-component automatic buffer that regulates pH and its use makes...

Reef Brite XHO Dimmable High Power LED units encompass cutting edge LED technology. Utilizing 3 watt LED’s for maximum performance and output, our XHO LED units are great replacements for T5HO or VHO lighting. These versatile units can also be used...

Bio-Fuge Sumps - A simple rimless sump for any modern aquarium. - Bashsea's Bio-Fuge Sumps are the only fully featured rimless sump on the market.  Our bold look and pure build quality & strength is at it's finest, and our rimless...

The ultimate maintenance free biological filter. Dimensions: 14.25" x 9" 24" Base Dimensions: 9" x 14.25" Chamber Dimensions: 8" Water Input: 0.75" Air Input: 0.125" or 1/8" Drain" 1" Water Flow Rate: 400 - 550 Gallons Aquarium Size: 200 - 300...

Real Reef Shelf Rock is our version of the shelf or slab rock that use to be imported from the Kingdom of Tonga for many years, before getting banned for destructive collection practices. Many have try tried to ship similar wild products from countries...

Scopas Tang  2.25" - 3.5" in size. Scopas Tang or Zebrasoma scopas is also known as the brown tang.  *Photo is a representation of the fish you will receive.  

The Mag-Float-500 Extra Large XL Glass Aquarium Cleaner is recommended for use with glass aquariums up to 1000 gallons with a surface thickness up to 1.25". The Mag-Float cleaners contain special abrasive velcro pads that remove algae from the surface...

25mm-30mm Pipe to 3/4in Loc-Line™ Flex-Series Adapter 3/4in Loc-line & RFG Nozzle CompatibleAdd a 3/4in Loc-Line compatible or similar sized modular hose fitting almost anywhere Push-fit Flex AdapterNo glue, tape or tools to...

A perfect compact solution for a quiet yet powerful return pump. Featuring a sealed DC motor and magnetic drive design, eFlux DC pumps provide up to 65% energy savings over traditional AC pumps and are completely controllable. Running virtually...

*******THESE REACTORS ARE IN STOCK AND WILL SHIP SAME DAY NEXT DAY - NO NEED TO WAIT FOR THEM TO BE BUILT******* The Classic CR618 GEN 3 will hold 12 pounds of large grain media and is suitable for reef aquariums up to 300 gallons...

Green Digitata is a branching neon green Montipora that develops vivid white growth tips. This coral is fast growing and extremely hardy as well as tolerant of a wide range of lighting conditions. The ORA Green Digitata is a thinner branching variety...

Calcium Supplement for All Marine Fish & Reef Aquaria Overview High-purity powdered calcium. Increases the concentration of calcium in marine aquarium water to provide corals andother reef-building invertebrates with one of the most important...

AQUA-FIX is quick bonding hydraulic cement based Coraline Colored adhesive specifically designed for joining Live Rock together, as well as Lime Stone or Ceramic based Rock for Aquarium Display Use.

You've now found the staple t-shirt of your wardrobe. It's made of 100% ring-spun cotton and is soft and comfy. The double stitching on the neckline and sleeves add more durability to what is sure to be a favorite! 100% ring-spun cotton Sport Grey is...

Generic Refractometer - 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 specific gravity and...

M series heaters combine modern aesthetics with reliable Italian construction. Employing an ultra-slim profile, M heaters are a welcomed departure from traditional, more bulky designs. The M series is highlighted by its reflective...

Rimless Flat Panel Reef-building made easy The new JBJ Rimless Flat Panel is an all-in-one aquarium designed with the hobbyist in mind. It’s easy to start reef-building with an integrated sump and included filtration media. Our new...

Color changes from Purple to Amber upon exhaustion.  Reverse osmosis (RO) units use the worlds most efficient RO membrane material to achieve a 98.6% rejection of TDS from your incoming tap water, but we can't stop there. The...

Tridacna maxima has the widest distribution of any Tridacnid species. It is found from the Red Sea, throughout the Indo-Pacific region, to Australia and Polynesia. It usually occurs in shallow, clear water, high current areas where they are known to form...

The MQ-650 ePAR meter is designed for underwater extended PAR measurements (400-750 nm) and already applies the sensor's immersion effect correction factor to the meter readings through firmware. The meter provides excellent measurements under...

Accurate in both Fresh and Saltwater Essential when Medicating with Copper-based Treatments Measures Free and Total Copper About Fritz Liquid Test Kits - Copper Copper is commonly used in aquariums to treat external parasitic infections,...

*******THESE REACTORS ARE IN STOCK AND WILL SHIP SAME DAY NEXT DAY - NO NEED TO WAIT FOR THEM TO BE BUILT******* The Super Silent Extreme CR618 SSE will hold 12 pounds of large grain media and is suitable for reef aquariums up to 300 gallons...

1/2lb portions A favorite food for many grazers, such as tangs, angels and blennies! Attach it with a lettuce clip to the aquarium wall and watch as your fish engage in a feeding frenzy. This algae may also be used as decor in aquariums without...

The ultimate all-in-one box selection. The perfect Mix to Aquascape 10 - 20 gallons. Box Includes 14 pcs: 6 Sm. Real Reef Rocks 2 Md. Real Reef Rocks 2 Sm. Real Reef Shelf Rocks 2 Sm. Real Reef Fancy Branch Rocks 2 Sm. Real Reef Plate Coral...

Scripps Green Tip Staghorn coral is a branching variety of Acropora having a greenish tan background with bright green polyps.  This fast growing coral can grow into an impressively large colony in short order. Placement: All Levels Lighting:...

This t-shirt is everything you've dreamed of and more. It feels soft and lightweight, with the right amount of stretch. It's comfortable and flattering for both men and women. • 100% combed and ring-spun cotton (Heather colors contain polyester)...

The Coralife NEW STYLE Size 16 LED BioCube Aquarium features LED lighting and timer capabilities–taking it to the next level of all-inclusive aquariums. Just like older BioCubes, it has a compact and customizable filtration chamber, hinge-top...

Waste-Away dissolves sludge and dirt in your freshwater aquarium! Waste-Away is a unique combination of bacteria that attack and dissolve organic wastes in the aquarium quickly. Even with proper maintenance and monthly water changes, slime and wastes...

An excellent choice for the introductory level Aquarist.  Large open area for Protein Skimmer use as well as a spacious return pump chamber.  Designed for use in modern Reef Tanks with a full line of accessories...

Designed with the popular Triton method in mind, yet Smart Series Sumps can be used in any traditional method as well: Triton Berlin Tech Traditional Custom Pair that with our bold look, pure build quality & strength, and fully adjustable...

The IceCap Kalk Mixer is a dedicated reactor for dosing kalkwasser in a safe and controlled matter to supply equal additions of Calcium and Alkalinity to a Reef Aquarium. Kalkwasser dosing is considered one of the best all around methods to...

Nox-Ich is your answer to killing external parasites upon contact. It is especially effective against the common occurring parasite, ICH. Add just one drop per gallon to eliminate unwanted visitors to your aquarium. Nox-Ich is also effective against...

Replacement Blades for the Razor+ 2-in-1 Algae Magnet Small (Item # 11083) Go from scraper to scrubber in one simple snap with the Razor+ 2-in-1 Algae Magnet. For up to 6 mm glass thickness. (0.25 inches). 2-in-1 design allows user to change from...

Average frag 1-3 polyps.  If you are looking to buy vibrant color coral online to add to your reef tank, this is the best choice. ACI Cultured Red People Eater Zoanthids are a fast growing coral that will reproduce and expand there colonies,...