Iodine Pro Test Kit High accuracy measuring of total iodine level in your reef aquarium I2   Red Sea’s Iodine...

Alkalinity Pro Test Kit Advanced alkalinity titration test KH       Red Sea’s KH/Alkalinity Pro Test Kit is an...

15' Male/Female AquaBus cable. Extension Aquabus cable used to lengthen AquaBus cables so that modules which are more than 15'...

Easily calibrate your Red Sea ReefSense pH probe with this pH High Calibration Pack.   What's Included? (5x) Sachets of...

SeaTest Mg - Saltwater Magnesium is the third most important element in the composition of seawater. It is essential to...

SeaTest PO4 - Freshwater and Saltwater Phosphate is an end product from the degradation of organic substances such as uneaten...

SeaTest NO3 - Freshwater and Saltwater Uneaten food, fish waste and other organic nitrogen containing compounds are broken down by...

SeaTest pH - Freshwater and Saltwater The pH value is one of the key values of an aquarium or pond....

NEW EXPIRES 12/2025  - SAVE 80%   Nitrate Pro Test Kit Exceptionally high accuracy colorimetric comparator tests for Nitrate measurement...

RedSea ReefSense – ORP Probe   Any combination of the range of ReefSense digital probes/sensors can be connected to the...

ReefSense - Digital Salinity & Temperature Probe Any combination of the range of ReefSense digital probes/sensors can be connected to...

Introducing ReefControl: Stay on top of your aquarium Monitor up to 7 ReefSense digital Probes & Sensors and control any...

M-Rack: One Magnet, Endless Possibilities M-Rack is a versatile magnetic mounting system for your aquarium. It brings a stylish, practical...

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

Start your aquarium with the proper control system!   Fully automate your aquarium with the A3 Apex Controller System, and...

Standard Stand Legs for "Tabletop Mounting" of the CoralVue Aquarium Controller Boards (sold separately). The legs provide a simple yet...

Reef Kinetics Reefbot 60 ml vial - Single unit

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

Never before offered in the aquarium industry the LLS Sensors allow for the measurement of water depth in inches or...

HYDROS Pump Controller - Simplify the way we manage flow in our aquariums The WaveEngine LE allows you to easily...

Please note: Cable will vary from photo, stock photo shown. Hydros Maxspect Gyre 130/230 WE Pump Adapter Direct Pump Driver...

Please note: Cable will vary from photo, stock photo shown. Hydros Maxspect Gyre 150/250/280 WE Pump Adapter Direct Pump Driver...

Control the pH of your tank/reservoir AUTOMATICALLY! The MC122 pH controller and dosing pump (MP810) provides fully automated pH control...

Our seneye device magenetic holder is designed to hold your seneye USB device securely in place using powerful neodymium magets....

Flow Sensor – 2″ (FS-200) Usually used with a return pump, this flow sensor can be placed in line with...

Includes the Seneye Dri box and SWS Wifi Units Are your corals not as vibrant as you expect? Have you...

High sensitivity seawater carbonate hardness test kit easy usable drop test stable titration reagent precise colour change separate indicator and...

Lunar LED String – 4 LEDs Use this string of LEDs in combination with your Lunar Simulation Module When you...

Leak Detection Probe for use under carpet  (LD-1) Plug this probe into your FMM and then place it underneath your...

Two Little Fishies AccuraSea Seawater Reference Do you think it’s important to maintain salinity precisely? We’re with you. That’s why...

Algae Management Program Controlled reduction of nitrates and phosphates, prevents nuisance algae  & enhances coral coloration   Algae Management Program...

TRACE-COLORS PRO MULTI TEST KIT Advanced tests for the high accuracy measurement of Iodine, Potassium and Iron. Recommended for Ultra...

Magnesium Pro Test Kit Advanced titration magnesium test kit Mg     Red Sea’s Magnesium Pro Test Kit is an...

2 Channel AquaSurf or Apex to stream cable assembly. It has 1 RJ45 connector which plugs into the Apex base...

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

Smart 3-in-1 portable meter. 1 probe for pH, conductivity and TDS Automatic Temperature Compensation Faster Processor with The New Chipset...

Probe is fully submersible in fresh or saltwater down to 1 meter. Faster Processor with The New Chipset and Motherboard...

Smart Professional pH/ORP controller. User selectable Hi/Low Set Point Manual 2 points calibration Visual LED alarm Supplied with 12 VDC...

The HI 98129 Combo waterproof tester offer high accuracy pH, EC/TDS and temperature measurements in a single tester! No more...

The HI96822 is a rugged, portable digital refractometer designed for the measurement of salinity of natural or artificial seawater. The...

Neptune PM2 Module - conductivity, temperature, and 6 digital inputs - BRAND NEW OPEN BOX RETURN - SAVE 25% The...

SeaTest NO2 Uneaten food, fish waste and other organic nitrogen containing compounds are broken down by bacteria into ammonia and...

SeaTest NH4 Ammonia (NH3) and ammonium (NH4+) are substances which should be converted rapidly into nitrite followed by nitrate, called...

The SeaTest densimeter is an easy to use scientific instrument that is used both to measure the specific weight and...

VORTECH/RADION WIRELESS EXPANSION MODULE :: WXM GET COMPLETE CONTROL OVER YOUR ECOTECH VORTECH PUMPS AND RADION LED – AND THE...

NOTE: This is the 230volt International Model with UK style plug. PINPOINT pH Controller" is an inexpensive yet rugged controller,...

Digital pH & Temperature Probe   Any combination of the range of ReefSense digital probes/sensors can be connected to the...

Introducing ReefControl: Stay on top of your aquarium Monitor up to 7 ReefSense digital Probes & Sensors and control any...