Besides calcium and strontium, some coral and coralline red algae also store magnesium in their skeleton. It is biochemically directly involved in the photosynthesis of algae, i.e. the conversion of carbon dioxide and light into organic compounds...

We’ve partnered with Kolar Labs to bring the best available aquarium carbon directly to consumers. Calgon Carbon’s CRYSTAL CAL granular activated carbon is true liquid phase activated carbon made for aquariums. This laboratory grade granular...

EHEIM Plant tongs Our plant tongs enable you to work in your aquarium without having to roll up your sleeves. You can place, move or remove plants and other items in the bottom of the tank and even difficult to reach become accessible. Dead leaves or...

Designed with hobbyist needs in mind, Red Sea’s new slide-out Control Panel helps you to get the most out of your cabinet space by placing your dosers, controllers and other devices in one easily accessible place. The Control Panel is designed to...

All Tubing is Sold by The Foot.  If you would like 10 Feet of Tubing, purchase a quantity of 10.  Need 20 foot of tubing, enter 20 for the quantity.  You can edit the quantity inside your shopping cart.  There is a 10 foot minimum on...

The SHARK ADV is an exclusively designed internal filter with a patented magnetic quick uncoupling system (MCS System). The modular design allows the possibility of adding one or more filtering compartments to increase the filtration capacity...

Please note: CONTROL XS ONLY - Nothing else is included. It doesn’t just make SENSE, it Controls too! About HYDROS Control XS Don’t let the compact size of the HYDROS Control XS fool you. It is perfectly capable of...

Nature's Ocean Purple Base Rock 40 LBS (Approx. 5 -9 inches) Purple base rock will become naturally live overtime because of its porosity : No artificial or engineered bacteria, Rapidly adapts to the LIVE environment , Made from aragonite base rock, Will...

This kit was created to be used in conjunction with Neptune Systems salinity/conductivity probe.  It allows the probe to stay clean and fixes a well know issue with the salinity probe.  Microbubbles no more.  Kit Includes: Salinity...

Eshopps Skim-Buddy , Skimmate Container Model: Skim Buddy  Dimensions: 6" x 9" x 3" Storage Capacity: 2.5 L. Tank Usage: 10-70 Gal. Connector Dimension: 10 mm.

The Marine Alkalinity Checker® HC Calibration Check Set - HI755-11 provides a simple solution to validating the Marine Alkalinity Checker® HC - HI755 that has a range of 0 to 300 ppm CaCO3. This high-quality set of standards is...

LifeRock™ begins as a sunlit piece of Pleistocene era seafloor thriving with living creatures. Over the next 100 millennia and the retreat of the ocean, this ancient piece of seafloor, now well inland, has formed a pure, aragonite-bearing rock...

Made in USAScraper for saltwater and freshwater aquariumsNo hollowness here.The AquaBlade is injected molded as a solid piece of plastic which keeps water from entering the unit while using. This means no hollow handles and drizzling of excess water when...

  *WARNING CHOCOLATE CHIP STARFISH ARE NOT REEF SAFE*   The chocolate chip starfish is a sea star with a number of distinctive features, including:      Appearance Chocolate chip starfish are named...

Add a matching dual outlet to your Eshopps Deskmate® collection aquarium Compatible with:– All EShopps Deskmate® Collection aquariums– Waterbox Cube and Peninsula mini Series– Waterbox AIO Series (requires two kits per...

The CUBE was designed so you can keep more in your aquarium with less. Available from 10 through 25 gallons, the CUBE delivers an aquatic environment for novice and professional aquarium keepers. Filtration SystemThe unique filtration and baffle system...

The Phosphate Low Range Checker® HC Calibration Check Set - HI713-11 provides a simple solution to validating the Phosphate Low Range Checker® HC - HI713 in the range of 0.00 to 2.50 ppm (mg/L). This high-quality set of standards is...

Sludge and organic busting beneficial bacteria will naturally dissolve the sludge and dirt that accumulates in an aquarium and prevent the build-up of debris when used on a regular basis. Also removes dissolved organics. Waste-Away is fast acting and...

Excessive concentrations of phosphates in the water can lead to strong algae growth and a reduction in the growth of corals and aquatic plants. This is why it is important to monitor the phosphate concentration in an aquarium regularly and maintain the...

Our latest evolution is to take on the meek and humble thumbscrew... often a thorn for hobbyists... and replace it with what can only be described as a massive leap forward. The Patent Pending lever replaces the need for many nylon thumb screws...

  The Alkatronic is an all-in-one device that automatically monitors and maintains carbonate hardness values of your aquarium throughout the day. Can dramatically simplify and improve the way we manage KH parameters of a reef tank. Version 2 -...

Average frag 1-5 polyps.  If you are looking to buy vibrant color coral online to add to your reef tank, this is the best choice. ACI Cultured Purple Urple Palythoa are a fast growing coral that will reproduce and expand there colonies,...

Innovative heater range equipped with PATENTED "contactless" temperature electronic control.  The easiest and most immediate way to set the temperature of the heater, just hold the Sicce ContrAll App to the...

The Blade Grow offers immense power in a thin package. Coral Grow features a LED mix that maximizes spectral peaks needed for coral photosynthesis. Use alone or augment with the Blade Glow for a color combination that fits your needs. Spectrum A...

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 issue is that we need a full 100% removal of TDS for our reef or salt...

The smart ReefRun DC Pumps can be set to a customized daily schedule, and come with 360-degree rotating outlets, inlet flow guides, extra-long power cables with convenient connectors next to the pump, and a 5-year warranty. (Requires a ReefRun DC Dual...

The ORA Pink Birdsnest is a thin branching Seriatopora with luminous pink branches and polyps. Lower branches of Pink Birdsnest colonies tend to grow out then curve downward, something we only see with this Seriatapora variety, giving large colonies a...

The gels are full of our Waste-Away Bacteria that are automatically and continuously released into your aquarium to consume nutrients and break down fish waste; keeping your tank clean and water clear. REEF SAFE. “Gets into the nooks and crannies...

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...

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

New Mounting Design Now available for the Hydra 32HD and Hydra 64HD, flex arm mounting is no longer reserved for the AI Prime alone. The Hydra Flex Arm is the simplest and cleanest full size fixture mount to date.

Enriched L-Type Brachionus plicatilis rotifers. Highly nutritious plankton feed consisting of five million, fully intact Brachionus plicatilis marine rotifers with millions of eggs per 6 oz bottle. Excellent food...

IceCap Fish Trap disassembles for space-saving storage and assembles in minutes. Bait with food and as soon as the desired fish is inside the trap simply release the mechanism to close the trap door.  The traps holds in place with two enhanced...

Marshall Island Long Polyp Leather is a member of the Sarcophyton family. It is a mushroom shaped soft coral with extra long flowing polyps which have tan colored stalks topped by white star shaped polyps. This is a fast growing hardy coral...

Excellent for Finicky FishFor all Fresh & Saltwater FishSan Francisco Bay Brand Freeze-dried Mysis Shrimp are small bite-sized shrimp that are the perfect food choice for feeding finicky marine fish. Mysis shrimp are a popular food choice for feeding...

Aiptasia anemones are one of the most widespread pests in marine aquarium keeping. Usually added to the aquarium unintentionally with live rock or coral, these anemones spread rapidly and damage the coral with their stinging ability. Aiptasia anemones...

The Kraken introduces a new concept in aquarium controllers and provides high-power 24V DC switched outputs and a large heavy-duty power supply. This allows “power bricks” and “wall warts” to be removed from aquarium systems,...

ReefLED individual mounting arms attach firmly onto the rear wall of the tank and can be rotated to the upright position during reefscaping or other tank maintenance.  Set at the correct height above the aquarium, the mount arm can be adjusted...

The Coralife Size 32 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 canopy design,...

Oceans Wonders coral frag tools are made with 316 surgical stainless steel.  Always rinse tools under HOT tap water and dry thoroughly before storing. This will ensure long lasting durability and tool protection.  Never store tools in...