Calcium Pro Test Kit Advanced calcium titration test Ca   Red Sea’s Calcium Pro Test Kit is an advanced calcium...

This HYDROS Force Port Power Cable is used to connect the Kraken to power a WaveEngine LE, WaveEngine, XD, or...

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

Introducing the Custom Cradle Pro Magnetic Probe Holder   Holds up to 5 Probes   A magnetically mounted probe holder...

The only salt water Alkalinity Tester at this price! Easier to use and more accurate than chemical test kits Colorimetric...

HYDROS Rope Leak Sensor Extension Extend to your HYDROS Rope Leak Sense Port Accessory   The HYDROS Rope Leak Detection...

IceCap 4-Probe Magnetic Holder   Holds 4-Probes Magnetically mounts to most surfaces up to 1/2in thick!   A SIMPLE WAY...

Modern & compact magnetic water level monitoring   Improved look, feel, and design  Precise water level control Built-in magnetic mount...

FLOW SENSORS FMM - FLUID MONITORING MODULE The FMM (Fluid Monitoring Module) is a module that connects to any Apex...

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....

Leak Detection Probe for solid surfaces  (LD-2) Plug this probe into your FMM and then place it on any surface...

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

Octopus Ground Probe Highly recommended for all aquariums to prevent stray voltage from affecting marine animals.

Control and Monitor your Aquarium with ease    Built in WiFi, key parameter monitoring, and reliable equipment control. Regular automated...

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

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

The HI98108 pHep+ pH tester provides high accuracy measurements in a rugged pocket-sized design. This meter features an exposed temperature...

Smart Professional ORP controller. User selectable Hi/Low Set Point Visual LED alarm Supplied with 12 VDC adapter 1 power plug...

Understanding Lighting with the PARwise PRO The PARwise PRO is an advanced light meter that revolutionizes aquarium lighting management. Its...

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

Flow Sensor – 1/2″  (FS-50) Usually used with aquarium accessories like reactors, carbon/GFO filters, etc., this flow sensor can be...

Red Sea Phosphate Pro - Reagent Refill Kit

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...

This HYDROS Force Port Adapter Cable (72 inches long) is designed to directly connect the Kraken to power popular 24V...

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

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

HYDROS Rope Leak Sensor Cable ONLY. Part of set     WARRANTY CoralVue, Inc. and HYDROS hereby guarantee this product...

This is a ten foot Male/Female extension cable for the 1Link. To extend the WAVs

1LINK – EASY, ONE-CLICK INSTALLATION   The WAV is the first of a line of aquarium products from Neptune Systems...

Lunar LED String – 2 LEDs Use this string of LED in combination with your Lunar Simulation Module When you...

Have the Apex take control of your variable speed pumps and do things you never could imagine with a stock...

2 Channel light dimming cable for Apex variable speed ports. It has 1 RJ45 connector on one end of the...

15' Male/Male AquaBus cable.  Used to connect an AquaBus module (PM1, EB8, etc) to another AquaBus Module or Apex base...

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

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

Hanna Marine 981520 Monitor  Marine Monitor pH, Marine Salinity and Temperature Testing and monitoring salinity in saltwater aquariums is an...

HYDROS Control XS (CONTROLLER ONLY) Control XS is an artificially intelligent aquarium assistant that is focused on Sensors. Don’t let...

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

The ATI ICP-MS Ultimate Lab Water Analysis is a laboratory water analysis of 50 parameters in a reef tank that...

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

SeaTest Ca - Saltwater Calcium is one of the most important elements in a marine aquarium because many corals, other...

SeaTest KH -  Saltwater Bicarbonates (KH) buffer the water against pH changes. But via biological processes in the water the...

Red Sea MCP Magnesium Test - 75 tests Accurate measurement of Magnesium in marine aquariums Mg   Red Sea’s user-friendly...

Red Sea MCP Calcium Test - 75 tests User-friendly titration test provides a quick and reliable measurement of calcium in...

Hanna 10 mL syringe with Luer lock

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