4" Filter Media Cup Our 4" Filter Media Cup will replace all those filter socks you have hanging around. Made out of a BPA free Polypropylene, this 4" Filter Media Cup is a solid one piece design, that holds any filter media. The round design allows the...

Requires a HYDROS System to operate The HYDROS Water Level Sensor is an optical sensor you can use for a variety of aquarium applications, such as sensing when your tank needs to be topped off or to detect when a dosing container needs a refill. It...

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...

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...

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...

Scientific name: Cyclops vicinus High in Protein Cyclops feed fish, invertebrates and corals simultaneously. They stimulate appetite, promote proper growth, resistance to stress, and a long healthy life. Cyclops provide essential nutrients...

Coconut carbon blocks are manufactured with a high purity Coconut Shell Activated Carbon.  With a high chlorine reduction, great dirt-holding capacity, and greatly reduced carbon fines.  Great performance in reducing sediments, color, SOCs...

Swing check valve assists in blocking reverse flow and to allowing forward flow.

ONE PIECE of WHITE Egg Crate for Aquariums. (White seems to hide better under sand, to prevent rocks from falling and cracking your aquarium) Modular - Each section of egg crate has built in connectors to secure multiple pieces together to create a...

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...

The Versa is a specifically designed peristaltic pump from EcoTech Marine. The Versa is extremely precise, robust and versatile.  The Versa is capable of being used as a dosing pump, as an auto top off (ATO) pump and even for automatic water...

Easily mount your AI Prime® on your rimmed or rimless tank with the adjustable Prime Arm Mount. Available in 12" and 18" inch lengths.

Black 11oz Mug with a Glossy Orange, Emblazoned with Our Logo. Inside Perfect for Your Favorite Beverage.  Dishwasher and Microwave Safe

Stability® will rapidly and safely establish the aquarium biofilter in freshwater and marine systems, thereby preventing the #1 cause of fish death: "new tank syndrome". Stability® is formulated specifically for the aquarium and contains a...

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...

Rowaphos is the leading phosphate removal media for marine and reef aquariums. Rowaphos will not leach any phosphates back into the water. RowaPhos is a unique man made ferric hydroxide material specifically produced for efficient removal of phosphates,...

On average 3/4" - 1" in size.  If you are looking to start buying coral online to add to your aquarium, this is the best soft coral. Neon Green Star Polyps or GSP coral is a great beginner coral. It has bright neon green star shaped polyps. This...

Plastic Snapper Hose Clamp 1" Black

For Fresh and Saltwater Ammonia and ammonium are substances which should be converted rapidly into nitrite followed by nitrate and nitrogen gas.If this does not happen then the aquarium is not fully cycled or biological processes are not proceeding as...

Red & 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 and cyanobacteria. They also will consume uneaten...

Convenient Remote Control with WiFi and Simple Local Control with Bluetooth The Kamoer F1 is a single-channel intelligent liquid dosing pump with BOTH WiFi and Bluetooth control capabilities. This unit will...

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 and cyanobacteria. They also will consume...

Cerith snails are small but elegant (white or dark) spiral shelled snails and are very active scavengers, feeding on crabs and carrion and dead fish, etc. They often burrow into marine substrates and then wait until they smell nearby food.  They are...

Optimal food source for all species of Marine Tangs, Angels, Wrasses, Damsels and some Butterfly Fish. Green Marine algae is a nutritious supplement for all grazing fish, rich in vitamin C and is 100% digestible. Feeding RecommendationTear off a piece of...

Prime Reef™ Flakes are a gourmet food, rich in seafood and zooplankton, for all reef aquariums. They contain a high inclusion of fresh seafood ingredients that mimic the nutritional value of a natural diet with an exciting flavor that fish cannot...

COR 20 - This pump is identical in physical size to the COR 15 but with the addition of an External power supply can push over 2000gph! All that flow for less than 100w of power and it is nearly silent. After deciding to do this larger, higher flow...

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...

The ReefMat is a plug & play, fully automated, smart fleece roller filter that keeps your aquarium water crystal clear for weeks at a time. Installation Instructions for EVERY Red Sea Model - https://www.redseafish...

Reef Safe Sterilized Clean Empty Hermit/Snail Shells.  Perfect new homes for your hermits as they grow.  These are designed for aquariums/reef tanks.  No polish, no paint, completely sterile. Standard Shape (Turbinate) - Shells 1/2" to...

Compact, yet powerful, the Fluval Mini Protein Skimmer helps to remove dissolved organic compounds and other harmful substances from your aquarium before they have a chance to break down into dangerous nitrogenous waste, which can be harmful to aquarium...

Deluxe 4-color tube kit Everything required to connect a dosing pump in one convenient kit. Available in 2 color versions (blue/green and red/yellow), providing 8 unique colors for easily identifying a full range of supplements from container to dosing...

MarineSnow Plankton Diet is a first of its kind product that reproduces the special biogenic suspended matter found in natural seawater, including “marine snow” aggregates. A food for filter-feeding marine invertebrates that feed on...

NYOS® WILD GOJI is certified-organic, made of soft granules with bright red organic goji berries.  Bright red organic goji berries are what makes NYOS ® WILD GOJI special. This naturally soft, organic, color-enhancing food contains a high...

Compatibility built-in100% Backwards compatible with previous units. Our scraper fits the old blades, our blades fit the old scraper.

The Radion G5 Diffuser Accessories. Gentle caustics Further color mixing Further intensity balancing 2 Models one version for all XR15 models and one version for all XR30 models. Specifically designed for the G5 (Use the previous model diffusers...

Scientific name: Neomysis japonica Excellent for Finicky Fish Mysis Shrimp are excellent for finicky eaters and one of the few frozen foods that seahorses will eat with no problems. They provide essential nutrients that help maintain high...

The Syncra Silent is new range of energy efficient pumps that is absolutely silent. Don't be fooled - these pumps are powerful and versatile. Ideal for fresh and salt water aquariums, protein skimmers, indoor fountains, water-cooling and all submersible...

  The Pithos crab is a small crab species with a bulbous body and cupped claws that is native to the Caribbean, Gulf of Mexico, and Atlantic: Appearance Pithos crabs have a molted brown, tan, or...

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...

The ReefMat is a plug & play, fully automated, smart fleece roller filter that keeps your aquarium water crystal clear for weeks at a time. Installation Instructions for EVERY Red Sea Model - https://www.redseafish...