Best Selling Products

Ultra-pure Kalkwasser for Reef Tanks!BRS Pharma Kalkwasser is not your typical calcium hydroxide. It is made from an ultra-pure source that contain...

Polyplab Genesis Rock! Increase the overall filtration power of your tank by adding Genesis Rocks   - Includes 4 Genesis Rocks - 23,000+ Additional...

Great for mounting multiple lights on one rail across your tank   Requires a mounting rail to fit your tank, and brackets for each ...

Aqua UV Replacement Lamp for UV Sterilizer (Classic 15 Watt)

1/2" Ball-Socket Round Nozzle (Loc-Line)

For almost all 4 Stage RODI systems we recommend the BRS 4 Stage Value replacement filter kit. This kit included high quality filter elements inclu...

Fauna Marin ELEMENTALS K concentrated potassium mix for marine aquaria - 1000ml Essential concentrated potasium mix supplement for marine aquaria ...

Usually used with aquarium accessories like RODI inputs, calcium reactor feed lines etc., this flow sensor can be placed in line with the flow on 1...

Flipper repair kit for Max Flippers   Includes: 2 handle felt replacement pads and 1 internal scrubber pad with adhesive backing  Make your Flipper...

The PM2 probe module , includes support for conductivity (salinity), temperature, and 6 digital inputs. The PM2 features are: Monitor/Control Condu...

KAMOER CHECK VALVE

PINPOINT® AC Adapter Kit (110 vac) is optional to replace the 9-volt battery, which some monitor owners find convenient, when monitoring full ...

A Simple Way to Organize and Mount Probes The IceCap magnetic probe holder universally mounts tubing securely to most smooth locations up to 1/2in ...

BALLING LIGHT TRACE 1-3 Micro- and Trace elements serve as a balancing solution for the Balling Light and Classic Method.   The addition...

INTELLIGENT, QUIET, ENERGY EFFICIENT Your return pump is by far the most important piece of equipment on your aquarium. It circulates the water whi...

Tunze Care Blades set 86mm (3 1/3")

Replacment pump assembly for Bubble Magus Curve 7 skimmer

Think smart float switch. The optical sensor indicates the presence of water above or below the sensor location.The Magnetic Optical Sensor feature...

The A360X Narrow Reflector strengthens the light beam of the best-in-class A360X for further penetration and contrast. With an easy to attach magne...

Balling Light Set, Ready for immediate use   Quick and easy controlling and readjusting of doses of the most important water parameters!   The whol...

Fauna Marin Coral Balance   Coral Balance is a modern nutrient control system that enhances metabolic turnover rates. It was specificall...