The Control X10 is the ultimate HYDROS system controller with twin Drive ports, four Sense ports, a pH/ORP port, a...

For the Most Accurate Home Testing, Use Multi Reference! With Fauna Marin Multi-Reference Solution, you can test your home test...

Concentrated Reagent Specifically for Alkalinity Testing Machines A concentrated reagent for the HYDROS iV Tester, Focustronic's Alkatronic, and Kamoer KH...

Pinpoint ORP Redox 400 Calibration Fluid - 1 packet

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

Please note: Cable will vary from photo, stock photo shown. Hydros Third Party Controller WE Pump Adapter Direct Pump Driver...

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

The HYDROS Control X4 PRO Pack includes the Control X4 & XP8 aquarium controllers, HYDROS App, temperature sensor, pH probe...

CoralVue HYDROS DC Solenoid Valve The HYDROS DC Solenoid Valve is a handy HYDROS Control 2 and Control 4 accessory...

1 Single Pack of Fluid   HI70024P is a premium quality 35.00 ppt salinity calibration solution that is NIST traceable...

Red Sea Calcium Pro - Reagent Refill Kit

The HI93713-01 are reagents for the colorimetric determination of phosphate. There are enough reagents for 100 tests to be used...

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

The Magnetic Optical Sensor replaces our optical sensor with magnet and offers an improved look, feel, and magnetic design that...

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

1 Full Box of 25 Single Packs   HI70024P is a premium quality 35.00 ppt salinity calibration solution that is...

Solenoid Valve (SV-1) This 24VDC powered, normally-closed (NC), solenoid valve has push-fit tubing input and outputs designed for standard 1/4″...

Protective Case for Milwaukee Refractometers

HI 758 Calcium Checker HC is supplied with 2 sample cuvettes and caps, reagents for 25 tests, (1)1.5V AAA battery,...

Trident NP (Reagents sold separately) The best selling automated tester ever released has been modified to now test Nitrates and...

Hanna Marine Nitrate HR certified standard kit

Half U Clips for Rope Leak (10pack)

AutoAqua Smart Stir A magnetic stirrer for mixing water test reagents efficiently and effortlessly. LABOR AND TIME SAVING Water testing...

Concentrated Reagent Specifically for Alkalinity Testing Machines A concentrated reagent for the HYDROS iV Tester, Focustronic's Alkatronic, and Kamoer KH...

The HI764-25 are high quality reagents that are pre-measured, allowing for users to achieve fast and accurate measurements with their...

Controller Designed for Continuous-Duty Liquid Dosing Applications The HYDROS Sole is an aquarium controller hybrid with a heavy-duty liquid dosing...

HYDROS Sense Port Accessory   Monitor your RO/DI units' water quality with HYDROS Dual Inline TDS Sensor. Plugs directly into...

HYDROS Leak Sensor - Sense Port Accessory The HYDROS Leak Detection Sensor is a solid surface leak detector that can...

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

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

Dalua Illumagic Pixel & Vitamini 24-Hour Auto Scheduler Dimmer The Dalua Illumagic Pixel & Vitamini 24-Hour Auto Scheduler Dimmer provides...

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

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

The HI780 Checker HC (Handheld Colorimeter) is a simple, accurate and cost effective way to measure pH in saltwater.  ...

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

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

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

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

The Simplicity 3-in-1 New Tank Rapid Test is an easy-to-use test strip designed for the cycling process of both fresh...

Hanna Instruments Marine Coral Care Kit Easy-to-read, instant digital results Compact and portable Simple one-button designs and straightforward steps  ...

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