Red Sea MCP Marine Care Test Kit Easy-to-use tests for the accurate monitoring of all of the important parameters during...

Flow Sensor – 1″  (FS-100) Usually used with a return pump, this flow sensor can be placed in line with...

High sensitivity seawater nitrate test kit highly sensitive reagents professionally calibrated colour chart differentiated colour gradations precise sliding comparator sample...

Red Sea’s Seawater Refractometer offers exceptional accuracy, for measuring the absolute salinity of seawater at a temperature of 25oC/77 0F....

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

Red Sea Alkalinity Pro - Reagent Refill Kit

The PINPOINT pH Monitor" is in use by thousands of customers worldwide. This affordable unit remains the only full-time pH...

Probe holder can fit up to four probes. Its design to hold ph, ORP, salinity and/or temp probe. It has...

  PSU PPT S.G. (20/20) Celsius (Fahrenheit) Range: 0 to 50 0 to 150 1.000 to 1.114 0 to 80C...

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

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

An Apex monitored aquarium is a successful aquarium! Introducing the exciting all-new A3 Series of Apex controllers. From the Jr....

Our Marine Ammonia Checker HC (HI784) is designed to accurately and quickly determine the ammonia level in marine (saltwater) samples....

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

Power Supply – 24VDC 36W (PS-36-US) This 24VDC, 36W power supply is used with the FMM so that you can...

Thank you for choosing Pro-1 Normal Seawater Refractometer of Tropic Eden. In this instruction manual you will find clear information...

Neptune Apex Display Module

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

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

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

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...

Precision device with fine adjustment for standard CO2 cylinders, thread in keeping with German standard DIN 477 (US version with...

ELIMINATE THE UNCERTAINTY ASSOCIATED WITH MECHANICAL REFRACTOMETERS The IceCap SPT03 Digital Pocket Tester is a portable, rugged, water resistant device...

High sensitivity seawater phosphate test kit highly sensitive reagents professionally calibrated colour chart differentiated colour gradations precise sliding comparator sample...

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

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

Hanna Instruments Marine Algae & Nutrient Management Kit Easy-to-read, instant digital results Compact and portable Simple one-button designs and straightforward...

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

Aquarium Heater Controller The IceCap heater controller can connect up to two heating elements (sold separately) and provides precise temperature...

Isolation is the Key to Accurate Tests About HYDROS iV PRO Drive Port Accessory To obtain precise pH and conductivity...

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

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

The HYDROS WaveEngine APX Link allows you to connect the WaveEngine's 0-10V input port directly to a third-party aquarium controller...

The PMUP is a multi-purpose pump that can be used for many different tasks on your aquarium.  Automatic Top-Off (ATO)...

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

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

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

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

This cable connects to the 24VDC accessory connections on the 1LINK. This cable has two bare (tinned) wires on the...

High sensitivity seawater magnesium test kit easy conversion factor accurately to 15mg/l precise dosing tip precise colour change separate indicator...

Red Sea Magnesium Pro - Reagent Refill Kit

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

Features: Large Face Digital Thermometer Displays inside (room) and outside (aquarium or greenhouse) temperature Degree F or Degree C (accuracy...

The HI731331 are the replacement glass cuvettes used with the HI96 series portable photometers and turbidity meters. Each cuvette has...