"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 size/shape/weight.   Rock Sizing:...

Safety Stop is a simple and effective way to help protect your Saltwater and Freshwater aquarium fish from serious unwanted disease outbreaks caused by external parasites, and bacterial and fungal infections. New fish are often the source of infectious...

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...

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...

Hand crafted in small batches at the Piscine Energetics' laboratory in British Columbia, Canada; PE PELLETS are a highly palatable, nutritionally complete fish food designed to enhance coloration and induce an energetic feeding response in all varieties...

A multi-purpose dosing and fluid delivery system of uncompromising quality combined with the simplicity of Apex Fusion software wizards for operations such as: 2-part dosing (Calcium and Alkalinity) Other additives dosing Automatic water...

Welcome to the future.  The New Apex controller system has WIFI built in, includes a redesigned Energy Bar 832 with eight 120V AC outlets, includes an internal 100W 24VDC power supply as well. That power supply feeds three built-in 1LINK ports as...

Customizable DIY Aquarium Net Cover COMES UNASSEMBLED IN A TUBE - YOU MUST CUT AND BUILD THIS YOURSELF   Keep your finny friends safe inside your tank with a customizable Red Sea Aquarium Net Cover. With a sleek profile and minimalist...

The Python No Spill Clean an d Fill is a complete ready-to-use system which adapts easily to most faucets and makes water changes a breeze.  It drains as well as fills aquariums and will not disturb fish or decor during routine aquarium maintenance...

The PMUP is a multi-purpose pump that can be used for many different tasks on your aquarium. Automatic Top-Off (ATO) Carbon reactors GFO reactors Biopellet reactors Many other salt or freshwater uses NEW IN VERSION 2: Automatic shut off when...

The ATK (Automatic Top-off Kit) is a simple, standalone, and complete solution for replacing water lost to evaporation. The new aquarium hobbyist has many challenges, but none is more annoying than the chore of adding water, every day, to make up for...

Customizable DIY Aquarium Net Cover COMES UNASSEMBLED IN A TUBE - YOU MUST CUT AND BUILD THIS YOURSELF   Keep your finny friends safe inside your tank with a customizable Red Sea Aquarium Net Cover. With a sleek profile and minimalist...

Customizable DIY Aquarium Net Cover COMES UNASSEMBLED IN A TUBE - YOU MUST CUT AND BUILD THIS YOURSELF   Keep your finny friends safe inside your tank with a customizable Red Sea Aquarium Net Cover. With a sleek profile and minimalist...

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...

The Python No Spill Clean an d Fill is a complete ready-to-use system which adapts easily to most faucets and makes water changes a breeze.  It drains as well as fills aquariums and will not disturb fish or decor during routine aquarium maintenance...

Years of research and testing are behind Red Sea’s ReefLED™ smart reef lighting system. These lights have been designed to ensure optimal coral growth and dramatic coloration, while creating a gentle shimmer throughout the aquarium...

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...

Customizable DIY Aquarium Net Cover COMES UNASSEMBLED IN A TUBE - YOU MUST CUT AND BUILD THIS YOURSELF Keep your finny friends safe inside your tank with a customizable Red Sea Aquarium Net Cover. With a sleek profile and minimalist hangers the...

Coralife Aqua Gloves are full-arm length with elastic bands to hold them snugly on the upper arm. The gloves measure 28" in total length and are made of the finest PVC material with fiber-reinforced sleeves. The Aqua Gloves are designed to allow the...

LifeRock FragZone is the result of many requests to make popular LifeRock series in a small rubble size for the attachment of coral frags and more. Calcium carbonate rubble is treated with a reef-safe porous coating which allows rapid and easy adhesion...

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...

Designed with hobbyists needs in mind the highly effective flow dynamics of the REEFER™ Skimmer will maintain an optimal ORP (REDOX) level of over 350mv, a level that is normally associated with ozone treatment. RSK - 300 Footprint - 9.1...

The NEW PouchFeeder comes complete with magnetically coupled wall attachment parts just like VeggieMag and MagFeeder. Use the perforated pouch to serve cubes or blocks of frozen foods, folded sheets of seaweed, or our SeaVeggies Red Seaweed whole plants...

Kit Includes 1x FMM Module, 2x Solid Surface Leak Detection Probe. Aquarium leaks are one of the most feared events for even the most seasoned aquarist – and for good reason. When it comes to leaks, it’s not just about whether you’ll...

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 based on years of experience, and are tailored to...

Oceans Wonders Ceramic 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...

Like starfish, brittle stars are echinoderms but are in the class Ophiuroidea rather than Asteroidea. Brittle stars have five long, skinny arms and a central disk containing a calcium carbonate skeleton and all of their internal organs. As long as...

10 pieces (5 pairs). with arm protection 85/ 90 CM or ~ 36 Inches Long  ideal for work in an aquarium (e.g. protection against nematophores)

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 based on years of experience, and are tailored to...

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

Based on the Gyre patented, cross-flow technology, the ReefWave pumps provide optimal REEF-SPEC® water flow for corals in a wide range of reefscapes, regardless of their position in the aquarium. Silent, powerful, and easy to set up and maintain, the...

Based on the Gyre patented, cross-flow technology, the ReefWave pumps provide optimal REEF-SPEC® water flow for corals in a wide range of reefscapes, regardless of their position in the aquarium. Silent, powerful, and easy to set up and maintain, the...

Customizable DIY Aquarium Net Cover COMES UNASSEMBLED IN A TUBE - YOU MUST CUT AND BUILD THIS YOURSELF Keep your finny friends safe inside your tank with a customizable Red Sea Aquarium Net Cover. With a sleek profile and minimalist hangers the...

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 based on years of experience, and are tailored to...