The HI731315 are spare glass cuvettes and plastic caps used with the HI7XX Checker® HC colorimeters. Each cuvette has a...

Protective Case for Milwaukee Refractometers

COPPER PROFI-TEST Copper can be present in tap water and in salt mixes. If the copper concentration is higher than...

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

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

The HC-0810M Finnex controller offers a precision digital control with LED digital display which maintains water temperatures at a constant...

This HYDROS Drive Port Cable (72 inches long) is designed to connect to an available Drive port on a Kraken,...

Expand Your Possibilities Mix and Match your Favorite Equipment!   Scheduled Feeding With the Apex, you can easily start a...

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

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

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

The Neptune Systems Probe Calibration Kit includes everything you need to calibrate your pH probe and salinity probe for reef...

CoralVue HYDROS DC Micro Pump With a HYDROS DC Micro Pump and a HYDROS Optical Water Level Sensor (or Float...

HYDROS Skimmer Sensor - Sense Port Accessory The HYDROS Skimmer Sensor serves a very specific and important role: it prevents...

HYDROS 9ft Drive Extension Cable   This 9ft long extension cable for HYDROS Drive Accessories for Control 2 and Control...

Neptune Systems recommends keeping on hand no more Trident reagent than you might expect to consume within the next 12...

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

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

HYDROS Minnow, Aquarium Monitoring with Twin Micro Dosing Pumps The HYDROS Minnow features two independent micro-liquid dosing pumps for precise...

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

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

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

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

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

CONTROLLER ONLY. Requires a mobile device and power supply (not included) and a Salinity Probe Kit for conductivity monitoring (also...

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

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

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

Reef Kinetics Reefbot Replacement Filters

The HI780-25 are high-quality reagents that are pre-measured, allowing for users to achieve fast and accurate measurements with their Marine...

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

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

Red Sea Nitrate Pro - Reagent Refill Kit

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...

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

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...

Water temperature is an important factor in keeping tank inhabitants healthy. JBJ floating glass thermometer sticks on the inside of...

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

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