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...

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...

HYDROS WaveEngine Power Supply Replacement power supply for the HYDROS WaveEngine ONLY.     WARRANTY CoralVue, Inc. and HYDROS hereby...

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

Neptune Apex Display Module

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

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

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

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

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

The first expansion module, the PM1, with a pH or ORP, temperature, and 6 digital inputs. The PM1 features are:...

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

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

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...

Please note: CONTROL X3 ONLY - Nothing else is included. Achieve Ultimate Aquarium Control with the HYDROS Control X3 The...

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

A key ingredient to a great reef aquarium is maintaining proper levels of Alkalinity, Calcium, and Magnesium.   The Trident...

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

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

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

Red Sea Nitrate Pro - Reagent Refill Kit

Pinpoint ORP Redox 400 Calibration Fluid - 3 total packets

Reef Foundation Pro Test kit include individual test kits and the Reef Foundation Pro kit, which combines the 3 individual...

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

Professional pH monitor especially designed for use with aquariums. User selectable Hi/Low Set Point Manual 2 points calibration Visual LED...

The Simplicity 8-in-1 Freshwater Rapid Test delivers fast, precise testing for freshwater aquariums in a convenient test-strip format. Designed for...

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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