The API KH TEST KIT tests fresh or saltwater aquariums for carbonate hardness (KH), and helps monitor water quality and...

The Ultra Actinic features a new Violet channel along with our signature Blue channel. The Ultra Actinic promotes photosynthesis, and...

10K 400watt Single End Halide Bulb - Reef Brite

Overview Extensively-researched and tested over a multi-year period, with a formulation based on current understanding of Marine Chemistry and Marine...

Marco Foundation Coralline Rock (40lb Box)

UV-C Clarifier is fully submersible (IP68). It can be immersed directly in the pond or aquarium sump. Has a safety...

Virgin Coal-based Granular Activated Carbon Derived from virgin coal this is a large Granular Activated Carbon (GAC) with high surface...

Provide up to 4755gph of flow where you need it The IceCap FP-200 is a magnetic-mounted flow pump that can...

Shark SKIMMER 150 and Shark SKIMMER 300 are modern internal skimmers with a very compact and innovative Shark design for...

Nuvo Roller - Replacement Fleece Filter Roll   Replacement Fleece Filter Roll for the Nuvo Roller Manual Fleece AIO Filter...

The TMC Reef Skim 2.0 500 DC Protein Skimmer is a high-performance device designed for efficient and quiet operation in...

The TMC Reef Skim 2.0 1250 DC Protein Skimmer is a high-performance device designed for efficient and quiet operation in...

Magnetic stirrer for use with our Reef AccuDose dosing system. The Reef AccuStir offers simple automated stirring. It’s suitable for...

The Reef AccuDose is a high precision programmable dosing pump. It incorporates DC stepper motor technology for exceptional accuracy (±...

Lifegard Aquatics Pro-MAX™ 120 Watt Amalgam Bulb UV Sterilizer in 3" Housing, featuring a patent-pending, flow-through design with less restrictive...

Quiet One DC Pump 660 GPH, Max Head 9.8' with Controller   Part No. R440719 Model DC 660 with Controller...

Quiet One DC Pump 2,640 GPH Max Head 14.8', with Controller Part No. R440722 Model DC 2640 with Controller GPH:...

Super Flexible, Kink resistant and Durable 3/8" ID x 10' Flexible Tubing is ideal where ever Flexible tubing is needed....

Super Flexible, Kink resistant and Durable 1/2" ID x 10' PVC Flexible Tubing is ideal where ever Flexible tubing is...

Super Flexible, Kink resistant and Durable 5/8" ID x 10' PVC Flexible Tubing is ideal where ever Flexible tubing is...

Super Flexible and Durable Standard 3/16 inch diameter Airline tubing is great for all your aquarium airline needs. 200' of...

Aquamesh #1 is great for removal of large debris and free floating particles most commonly used as a first stage...

Replacement BALLAST FOR 3" or 5" Diameter - Amalgam Germicidal UV Sterilizer - 55, 90, 120 Watts

Chiller Only Unit for standard systems & aquariums up to 500 gallons    The new TANK® chiller line is the...

Chiller + Heater for standard systems & aquariums up to 120 gallons  The new TANK® chiller line is the next...

Chiller + Heater for standard systems & aquariums up to 500 gallons  The new TANK® chiller line is the next...

Main LED (Radion,Hydra,Kessil,etc) sold separately. Included are two custom 16″ Ultra Actinic Pro LED’s, an in-line dimmer, a Y connector, power...

Frag Recover All-natural coral frag dip for recovery of live coral frags and regeneration of cut coral tissue Overview All-Natural,...

Immediately Improves Water Quality in all Reef, Marine and Freshwater Aquaria   Overview Immediately improves water quality in all manner...

ReefBreeders Edge 2 Link Cable Dual Edge Connector: Designed to connect one Meridian to two Edge Bars.

Reef Breeders Edge 4 Link Cable Quad Edge Connector: Designed to connect up to four Edge Bars to a single...

ReefBrite XHO LED Package Kit - Includes AI Hydra 32 Black LED, Brackets, 2 11-1/8" XHOs, Y Cable, & Power...

Easy to Read Dymax RF-20 Sea Water Refractometer Salinity refers to the amount of salt concentration in water. Different salt...

Stabilize the Microbiome with Fauna Marin VIB X Marine Using Fauna Marin VIB X, you can restore the natural balance...

A Convenient Way to Maintain and Stabilize Calcium and pH Levels Fauna Marin Kalkwasser is an easy-to-use solution for maintaining...

A Convenient Way to Maintain and Stabilize Calcium and pH Levels Fauna Marin Kalkwasser is an easy-to-use solution for maintaining...

Easily acclimate new or stressed fish in the aquarium The IceCap In-Tank Fish Isolation Boxes are designed to easily disassemble...

Mag-mount Bracket for IceCap AIO Protein Skimmers The IceCap Mag-mount features durable rare-earth magnets for easy installation of IceCap AIO120...

Liquid Phosphate Remover & Control Ultralife Liquid Phosphate Remover & Control safely and effectively removes phosphate (P04) from your aquarium....

BONDED FILTER PAD Pre-Filter media is a white Filter Media 144" x 12" Pad Size that allows the ability of...

Submersible Shatterproof Quartz Heater safe for Freshwater and Saltwater tanks. Easy to set thermostat features LED Power Indicator Light showing...

Submersible Shatterproof Quartz Heater safe for Freshwater and Saltwater tanks. Easy to set thermostat features LED Power Indicator Light showing...

Submersible Shatterproof Quartz Heater safe for Freshwater and Saltwater tanks. Easy to set thermostat features LED Power Indicator Light showing...

Submersible Shatterproof Quartz Heater safe for Freshwater and Saltwater tanks. Easy to set thermostat features LED Power Indicator Light showing...

True-Temp G2 Titanium Heater, a revolutionary addition to your aquarium. Boasting a  sleek and modern black control with a precise...

Designed for a clean, modern aesthetic, the Dalua Illumagic X4 Hanging Kit offers a sleek and adjustable solution for suspending...

*LED sold separately The Dalua Illumagic Pixel Single Rear Mounting Arm is a robust and versatile mounting option for a...

Dalua Illumagic Rail Mounts (Side Legs) The Dalua Rail Mount Side Legs is a sturdy and adjustable mounting solution for...

The Dalua Illumagic Mounting Rails provide a strong and versatile foundation for mounting X4 and Pixel LED Light fixtures. Available in multiple...

The Dalua Illumagic Mounting Rails provide a strong and versatile foundation for mounting X4 and Pixel LED Light fixtures. Available in multiple...