CoralVue HYDROS Sense Port Accessory   The HYDROS Flow Sensors are easy-to-install and measure the flow rate of water passing...

Simplify the Way We Manage Flow Within Our Aquariums The HYDROS WaveEngine v2 can control, monitor, and even supply power...

The HYDROS Control X4 PRO Pack includes the Control X4 & XP8 aquarium controllers, HYDROS App, temperature sensor, pH probe...

Please note: CONTROL X3 ONLY - Nothing else is included. Achieve Ultimate Aquarium Control with the HYDROS Control X3 The...

Calcium is one of the most important elements in a reef aquarium. Reef invertebrates, such as corals, crustaceans, mollusks, and...

It doesn’t just make SENSE, it Controls too! The HYDROS Control XS Starter Kit is the ideal solution for small...

Please note: CONTROL 4 ONLY - Nothing else is included.   Achieve Ultimate Aquarium Control with the HYDROS Control 4...

The Marine pH Checker® HC® Calibration Check Set - HI780-11 provides a simple solution to validating the Marine pH Checker®...

Please note: Cable will vary from photo, stock photo shown. Hydros Tunze WE Pump Adapter Direct Pump Driver - For...

Please note: Cable will vary from photo, stock photo shown. Hydros Maxspect Gyre 330/350 WE Pump Adapter Direct Pump Driver...

The Phosphate Ultra Low Range Checker® HC Calibration Check Set provides a simple solution to validating the Phosphate Ultra Low...

20V AC to 12V DC Power Adapter for use on the AquaController Apex.

Flow Sensor – 1/4″ with push-fit connectors  (FS-25) Usually used with aquarium accessories like RODI inputs, calcium reactor feed lines...

Neptune Apex Display Module

The seneye+ includes the disposable seneye slide, e-mail alerts, automatic online graphing, and personalised advice. Activating your seneye+ is really...

The little new product we promised. It may be little, but it has been in demand for a long time....

Protective Case for Milwaukee Refractometers

Reef Foundation Pro Test kit include individual test kits and the Reef Foundation Pro kit, which combines the 3 individual...

Red Sea Phosphate Pro - Reagent Refill Kit

PINPOINT ORP Monitor" will measure the ORP (oxidation-reduction potential, or REDOX) of your system. It is popular with those who...

    SALINITY/CONDUCTIVITY PROBE- LAB GRADE Start Measuring Salinity or Conductivity in your tank.  Get alerts when those values are...

With Milwaukee's MC Controllers you can monitor and control pH and/or ORP levels.    The Milwaukee Instruments "MC" Controllers have...

MA957 CO2 Solenoid Diaphragm Valve Includes flow regulator, needle valve, electronic solenoid & bubble counter. Unit comes with dual gauges...

Sachets are sealed against light and air and are ideal for on-the-spot calibration. Simply open, insert the tester or electrode...

The HI93713-01 are reagents for the colorimetric determination of phosphate. There are enough reagents for 100 tests to be used...

To be used with cuvets (item number HI-731331, not for photometer cuvets)for photometers and turbidity meters. They are notched to...

The HI731321 are the replacement glass cuvettes used with the HI7XX Checker HC colorimeters and the HI832XX benchtop photometers. Each...

Get your replacement reagents for your HI781 Marine Nitrate Low Range Colorimeter today. These high-quality reagents are manufactured in our...

A Great Start in Aquatic Monitoring and Control  The HYDROS Start is the perfect first aquarium controller, expertly designed to...

Six Pack of Reef ICP Water Tests The Fauna Marin Reef ICP Test (6 Pack) gives a quick and easy...

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

Effortless Water Testing The IceCap Magnetic Aquarium Test Kit Mixer is a simple solution for efficiently mixing water test reagents....

TECOnnect WIFI MODULE      Compatible with ALL TK-500, TK-1000, TK-2000 The TECOnnect wifi module is an easy to install...

AQUA Lifter Pump High Pressure (Brushless) - Not a standalone unit.  Requires an Autoaqua unit to run.   Model: LP-1800...

The Kraken introduces a new concept in aquarium controllers and provides high-power 24V DC switched outputs and a large heavy-duty...

Reef Kinetics Reefbot Replacement Filters

Reef Kinetics Reefbot Replacement Tubes 2 Meters Silicon Tubes (Set of 3)

Mount Controllers and Hide Cords Like a Pro (controllers sold separately) The CoralVue Aquarium Controller Board is a wall-mountable wire...

Mount Controllers and Hide Cords Like a Pro (Controllers sold separately) The CoralVue Aquarium Mini Controller Board is a wall-mountable...

Upgrade kit will not include magnet mount.  It is meant to be installed where the ato float switch is installed...

CoralVue HYDROS Sense Port Accessory   The HYDROS Flow Sensors are easy-to-install and measure the flow rate of water passing...

PARwise is a unique light meter with the ability to measure spectrum. It can be used underwater and in air....

Introducing the Custom Cradle Pro Magnetic Tube Holder   Holds up to 4 Tubes   A magnetically mounted probe holder...

New to the leak detector offerings is the Optical Multi Surface Leak Sensor (LD-3).  This is a weighted sensor that...

This is a ten foot Male/Female extension cable that will enable you to remotely locate DC24 accessories like the PMUP....

The HYDROS Control X3 Pro Pack includes the Control X3 & XP8 aquarium controllers, HYDROS App, temperature sensor, pH probe...

Reef Octopus Octo Pulse 4 Flow Pump With WaveEngine LE Controller Max Flow: 4,500gph | 11~32watts | 80 - 500+...