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

High sensitivity seawater calcium test kit easy conversion factor accurately to 5mg/l precise dosing tip precise colour change separate indicator...

110V electronic solenoid valve for CO2 regulator.   Features: LED on/off light indicator Power cord Specs: Trade Size Threads per...

Save 50% Extension cable for control line of light bar or powerbar Length: 5 m

Red Sea Nitrate Pro - Reagent Refill Kit

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

D-D True Seawater Refractometer   Hand held instrument for the measurement of the TRUE Salinity and Specific Gravity (S.G.) of...

This is the perfect fluid for the storage of any pH or ORP/REDOX Electrode. American Marine Probe Storage Fluid will...

Feed your fish consistently, and safely, while you are home OR away! A key component of caring for aquatic animals...

Lunar LED String – 5 LEDs Use this string of LED in combination with your Lunar Simulation Module When you...

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

Lunar LED String – 3 LEDs Use this string of LED in combination with your Lunar Simulation Module When you...

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

Lunar Simulator Module :: LSM Want to more accurately simulate the natural environment for your tank inhabitants? Moonlight in the...

LIFEGARD® AQUATICS continues to innovate on their breakthrough technology with the development of the industry’s first submersible LED Digital Thermometer....

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

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...

Salifert Potassium Reef TestPotassium concentration in natural seawater is approximately 400 ppm. Many aquarists have reported that a low potassium...

Sybon Heavy Duty Model is one of the most robust models available. You can feel the difference in weight by...

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

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

Nitrate Pro Test Kit Exceptionally high accuracy colorimetric comparator tests for Nitrate measurement NO3   Red Sea’s Nitrate Pro Test...

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

Red Sea Alkalinity Pro - Reagent Refill Kit

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

Red Sea Calcium Pro - Reagent Refill Kit

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

PINPOINT® Temperature Controller is an inexpensive but rugged controller that can be used for a chiller or a heater; or...

PINPOINT Salinity Monitor will accurately and immediately measure the amount of salt in any marine or freshwater system. The reading...

PINPOINT pH Controller" is an inexpensive yet rugged controller, which includes the appropriate probe and calibration fluids. This device will...

Pinpoint ORP Redox 400 Calibration Fluid - 1 packet

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

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

The PM3 probe module, includes support for dissolved oxygen, temperature, and 6 digital inputs. The PM3 features are: Monitor/Control Dissolved...

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

Breakout Box Connect external switches and I/O Inputs to your Apex When connected to the I/O Port of your Apex,...

Have a few left- SAVE 20% The 10' Aqua Illuminations interface cable allows the VDM to be connected to the...

6' AquaBus Cable (M/M)

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

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

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

Milwaukee's economical testers are easy-to-use and low cost instruments to measure quick and reliable pH values. Range 0.0 - 14.0...

pH 55 Specifications Range -2.0 - 16.0 pH Resolution 0.1 pH Accuracy  0.1 pH ATC Automatic Calibration 2 Points -...

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