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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. Pulsing Xenia has purple and pink polyps. It grows short...

Aiptasia Rx is a simple, effective and rapid solution for treating Aiptasia and Majano anemones. This product yields results within minutes of application. The dense solution sticks to Aiptasia,...

With the EHEIM precision heater your fish receive exactly the right temperature – in any aquarium. Obvious ideas often are the best ones. For example, the aquarium heater as a rod. The heating rod is...

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...

The perfect light for any Nano aquarium up to 25 gallons!  Designed for Saltwater aquariums but it will also work great with freshwater tanks.  Producing eye-popping color and amazing color...

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...

In the aquarium, enjoy richer colors, pop more fluorescence and create the ultimate balance between crisp and actinic. From its inception, Radion has set the standard for what full spectrum aquarium...

Ich-X utilizes the most widely respected formulation for the treatment of ich, using a less toxic form of malachite green, which makes it less taxing on biological

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. ...

The seneye+ disposable slide adds pH and NH3 monitoring to your seneye along with alerts and graphs for these dangerous pollutants. Each slide lasts 30 days. For use in conjunction with all seneye...

The Classic RO systems make up to 100 GPD of economically filtered Reverse Osmosis water, removing harmful substances like heavy metal ions and total dissolved solids from tap water. Features: Manual

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...

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...

Astraea Snails are awesome herbivores that have an amazingly voracious appetite for nuisance algae in the home aquariums.  Astraea Snails graze on algae's such as diatoms and cyano. Clean Up Crews...

Q: What about mounting?A: Original Single ARM RMS mounts can be adapted to fit the G5 X-brackets. MultiLight Rails and Arms do not need any modification although the newly designed G5 Xbrackets are...

Silence Your Sump and Simplify Your Maintenance Routine Tired of the constant splashing and "gurgling" sounds coming from your filter socks? The VCA No-Sock 4-Inch Silencer is the ultimate solution...

ReefDose is designed and built specifically for the daily supplementing of reef aquariums.  ReefDose uses bespoke (patent-pending) single-drop-accuracy dosing heads together with an advanced...

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...

Formula One Pellets are a perfectly soft and moist sinking pellet food for all carnivorous and omnivorous marine tropical fishes. The soft moist characteristics increase palatability and promote easy...

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,...

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...

We store this in a climate controlled environment to keep it fresh - Good for 6 months at room temperature, 1 year at 50°F. Best to keep refrigerated for longest shelf life. One and Only Live...

PINPOINT® High-Precision pH Calibration Fluids come in plastic envelope packets and are extremely accurate and field portable. Each packet contains ample fluid for calibration (about 30 ml). There is...

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...

SYNCRA SDC 3.0 is the latest to complete the successful Sicce Wi-Fi controllable pumps range This compact pump integrates all SYNCRA SDC pumps main features and has been upgraded by an immediate and...

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 2" on white adhesive background.

For treating aquarium water between water changes. Tropic Marin® Reef Actif is made up of a mixture of natural organic substances of predominantly marine origin. The biopolymers in Tropic Marin®...

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...

Bring the award-winning pumps and lights from EcoTech Marine and AquaIllumination wirelessly under the control of the easy to use, yet powerful, Neptune Systems’ Apex and Apex Fusion interface.

Calcium reactors have evolved into several types that require different media sizes. Because of this we now offer ARM™ Coarse for rapid upflow type reactors that have become so popular. This coarse...

Tropic Marin® Syn-Biotic Sea Salt contains probiotic bacteria for fish and shrimp and special prebiotic bacteria food to promote probiotic bacterial growth and to create low-nutrient conditions in...

ARCTI-PODS are a Refrigerated Food.  These are not LIVE Copepods.  This is a fish food.  Do not dump the entire container into your aquarium, you will nuke it.   Arcti-Pods® are large,...

The World’s First Ready-To-Use, Liquid Concentrate Praziquantel Treatment! Perfect for quarantining newly purchased fish. Liquid PraziPro is a ready-to-use, liquid concentrate that was developed...

Phosphate can enter your aquarium through tap water, fish waste, and decaying organics such as uneaten food and dead algae.   Excess phosphate con

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...

  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 

Flow: 2,000 gph (7,500 lph) Wireless: Included Max Head Pressure: 

The ReefRun Dual Controller offers great value as it can run both the REEFER DC Skimmer & ReefRun DC Pump (or two ReefRun DC Pumps) at the same time!  The controller is sold separately, enabling the...

Requires a HYDROS System to operate The HYDROS DC Solenoid Valve is a handy HYDROS Control 2 and Control 4 accessory that provides easy on/off RO or RO/DI water flow. You can connect the...

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...