Whats New?

Quickly and easily connected to most canister filter setups, the UVC In-Line Clarifier eliminates suspended bacteria and algae for a clear and healthy aquarium. A chemical-free and...

Designed for saltwater enthusiasts, the MARINE X range features rimless aquariums with ultra‑clear 91 % light‑transmitting glass, high‑strength black silicone, and central overflow with dual return...

Designed for saltwater enthusiasts, the MARINE X range features rimless aquariums with ultra‑clear 91 % light‑transmitting glass, high‑strength black silicone, and central overflow with dual return...

IP65 Waterproof pH tester with Large dual-level LCD that displays pH and temperature (°C or °F). The large display shows readings in an extended range from -2.0 to 16.0 pH and simultaneously shows...

The bioload of an aquarium refers to its ability to process waste in proportion to tank volume. Protein skimmers work best when properly matched with the bioload of the system. HEAVY - 100...

The HI781-25 are high-quality reagents that are pre-measured, allowing for users to achieve fast and accurate measurements with their HI781 Marine Nitrate Low Range Colorimeter. These reagents follow...

HI740228 is a filter disc; part of accessory kit for preparation of samples to be analyzed with the HI781 Hanna Nitrate Checker photometers.

Pure, pharmaceutical grade sea salt containing all trace elements found in natural seawater. From (osmosis-) water to seawater. Tropic Marin® Sea Salt CLASSIC is made up of all of the macro elements...

Color Changing Mixed Bed DI Resin Media Stage 4 - DI Media DI filter is the last stage of water filtration for the Smart RODI reverse osmosis systems and is necessary to reduce Total Dissolved...

Don’t be fooled by its compact demeanor! The Nero 3 punches well above its class delivering true 2000 gallons per hour (gph) of flow. That’s the kind of flow that keeps your tank clean and your coral...

Making water changes simple and easy.  This kit assembles in seconds and allows you to easily move water from one place to another.  The Sicce Zero pump pumps buckets, trashcans or any water holding...

Clear Fx Reef is an advanced comprehensive filter media for Reef Aquariums which can be used to ensure the health, clarity, and stability of your reef aquarium. This specialized reef filtration media...

Clear Fx Reef is an advanced comprehensive filter media for Reef Aquariums which can be used to ensure the health, clarity, and stability of your reef aquarium. This specialized reef filtration media...

It's important to keep your PUMP in prime operating condition to ensure long-life and efficient operation. Over time, natural mineral deposits will form in your pump, and if untreated, may cause...

Spot Check - Get marine water testing for the 8 core elements of a saltwater fish tank from the comfort of home.  Use this mail in water test to spot check your marine aquarium and/or verify what...

Faceplates provide for a cleaner more flush installation to give your cabinet a higher-end, more custom look. They fit a wide variety of aquarium controllers, pump controllers, and auto top-off (ATO)...

Faceplates provide for a cleaner more flush installation to give your cabinet a higher-end, more custom look. They fit a wide variety of aquarium controllers, pump controllers, and auto top-off (ATO)...

MICRON is an internal filters for starter kits, turtle kits and small aquariums. They are integrated with an antiwear device and an exclusive water flow control system which allows filtering to be...

JOLLY plastic heaters are designed for small freshwater, marine and turtles tanks. Their plastic casing makes them very durable and safe. These heaters can be placed beneath the gravel, making them a...

Reborn is back to it's original size & formulation.  Large size pieces. Reborn® coarse aragonite media for calcium reactors is composed of fossil skeletons of reef building corals sustainably...

Pelletized Activated Carbon based on bituminous coal provides the best combination of pore size, large particle size, high surface area, low ash, and hardness for chemically filtering aquarium water...

Adaptive Reef in conjunction with Harry's Aquatics is pleased to bring a full line of products designed to work with and enhance the user experience with aquarium controllers. From switch control...

Adaptive Reef in conjunction with Harry's Aquatics is pleased to bring a full line of products designed to work with and enhance the user experience with aquarium controllers. From switch control...

All-natural anti-bacterial fish remedy for the treatment of sick fish Overview All-Natural, botanical extract remedy for the treatment of a broad spectrum of bacterial infections in marine fish...

All-natural anti-bacterial fish remedy for the treatment of sick fish Overview All-Natural, botanical extract remedy for the treatment of a broad spectrum of bacterial infections in marine fish...

Tropic Marin Pro-Reef Sea Salt – 200 Gallon Bucket (Germany) At a Glance The Gold Standard for Modern Reef Keeping. Tropic Marin Pro-Reef is the premium, pharmaceutical-grade salt mix engineered...

ALL-FOR-REEF is an easy- to-use, highly concentrated solution for the supply of ALL essential minerals and trace elements in new or moderately stocked reef aquariums. Benefits: Complete mineral...

Tidal™ Power Filters are designed from the ground up to provide your aquarium with high-quality, comprehensive filtration. They are easy to use and adaptable to a variety of aquarium conditions. With...

Tropic Marin® BIO-ACTIF Sea Salt contains naturally occurring marine biopolymers, which support the microbiological conditions in an aquarium and thus protect and enhance the growth of aquarium fauna...

Balanced Nitrogen Source for Nitrogen-Limited, Low-Nutrient Reef Aquaria Overview Used in conjunction with MICROBACTER7 and REEF BIOFUEL or KATALYST, enablesnatural phosphorus uptake to take...

Balanced Nitrogen Source for Nitrogen-Limited, Low-Nutrient Reef Aquaria Overview Used in conjunction with MICROBACTER7 and REEF BIOFUEL or KATALYST, enablesnatural phosphorus uptake to take...

Balanced Nitrogen Source for Nitrogen-Limited, Low-Nutrient Reef Aquaria Overview Used in conjunction with MICROBACTER7 and REEF BIOFUEL or KATALYST, enablesnatural phosphorus uptake to take...

The Sapphire series is identical to the Emerald series except that it comes in a limited edition Sapphire blue color. Several features of this series are not found anywhere else. Some of the...

The CR44 is an extension of the SAPPHIRE series. One of the Trigger family members was recently diagnosed with Crohn’s disease. In an effort to help support this strong young girl, we plan to...

5 GallonDimensions: 6″ long x 14″ wide x 15″ tall 10 Gallon Dimensions: 10″ long x 16″ wide x 15″ tall Matching color to Triton sumps: White bottom, Aquamarine sides and top, Smoke back 1/4″...

5 GallonDimensions: 6″ long x 14″ wide x 15″ tall 10 Gallon Dimensions: 10″ long x 16″ wide x 15″ tall Matching color to Triton sumps: White bottom, Aquamarine sides and top, Smoke back 1/4″...

5 GallonDimensions: 6″ long x 14″ wide x 15″ tall 10 Gallon Dimensions: 10″ long x 16″ wide x 15″ tall Laser etched handle Two 0.25″ OD hose ports Lid to prevent evaporation Opening for wires...

5 GallonDimensions: 6″ long x 14″ wide x 15″ tall 10 Gallon Dimensions: 10″ long x 16″ wide x 15″ tall Laser etched handle Two 0.25″ OD hose ports Lid to prevent evaporation Opening for wires...

5 GallonDimensions: 6″ long x 14″ wide x 15″ tall 10 Gallon Dimensions: 10″ long x 16″ wide x 15″ tall Laser etched handle Two 0.25″ OD hose ports Lid to prevent evaporation Opening for wires...

5 GallonDimensions: 6″ long x 14″ wide x 15″ tall 10 Gallon Dimensions: 10″ long x 16″ wide x 15″ tall Laser etched handle Two 0.25″ OD hose ports Lid to prevent evaporation Opening for wires...