Controllers & Testing

Red Sea

Red Sea ReefControl ReefSense 4 Port Expander

Red Sea ReefControl ReefSense 4 Port Expander The ReefSense 4-port expander enables the ReefControl Pro to accommodate 7 ReefSense Probes/sensors.

Hanna Instruments

Hanna HI708 High Range Nitrite Checker - Freshwater

Hanna High Range Nitrite Checker HI708 - Freshwater The HI-708 Checker is a simple, accurate, and cost effective way to measure high ranges of nitrite Designed as a more accurate alternative to chemical test kits, the HI 708 provides quick, accurate...

Hanna Instruments

Hanna Instruments - Checker Plus pH Tester HI98100 Plus

Hanna Instruments - Checker Plus pH Tester HI98100 Plus The HI98100 Checker Plus is the next generation of the original Hanna Checker pH tester. The Checker is the most popular pH meter in the world with over 1 million meters used since its introduction...

Hanna Instruments

Hanna pHep Waterproof Pocket pH Tester with 0.1 Resolution - HI98107

 Hanna pHep Waterproof Pocket pH Tester with 0.1 Resolution - HI98107 The HI98107 pHep® is an easy-to-use pH water tester that makes monitoring water quality simple. This accurate pH tester features 0.1 resolution with automatic two-point...

Hanna Instruments

Hanna Checktemp® 1 Digital Thermometer - HI98509

Hanna Checktemp® 1 Digital Thermometer - HI98509 The HI98509 Checktemp® 1 is a high-accuracy thermometer with a 1 m (3.3') flexible, silicone cable connecting the meter and the stainless steel probe. The sharp-tip penetration probe easily...

HYDROS

HYDROS Dual Inline TDS Sensor

HYDROS Dual Inline TDS Sensor Monitor your RO/DI units' water quality with HYDROS Dual Inline TDS Sensor. Plugs directly into any HYDROS Control with an available Sense Port and does not require any additional power source.    Dual Inline TDS...

Neptune Systems

Neptune Systems MPR Apex Magnetic Probe Holder

Neptune Apex Magnetic Probe HolderThe little new product we promised. It may be little, but it has been in demand for a long time. The MPR - Magnetic Probe Rack was designed specifically for the Apex and will hold our larger diameter temperature probe,...

Seneye

7-Day Rental - ITC Reefculture PARwise

7-Day Rental - ITC Reefculture PARwise PAR meter rental period is 7 days from the day it is delivered to your door to the day the return tracking number becomes active, so you get a full week to tune your lights! If you need to keep the meter longer, no...

DD The Aquarium Solution

D-D True Seawater Refractometer

D-D True Seawater Refractometer Hand held instrument for the measurement of the TRUE Salinity and Specific Gravity (S.G.) of sea water by refractive index. What is different about the D-D Seawater Refractometer? Almost all hand held salt water...

Neptune Systems

Neptune Systems I/O Break Out Box

Neptune Systems I/O Break Out Box Easily add float switches, water on the floor sensors, etc. to the APEX, AquaController 3 or AquaController 3 Pro. Simply plug the Breakout box's minidin 8 cable into the AquaController I/O port, and then attach the...

Neptune Systems

Neptune Systems LD-3 Optical Multi-Surface Leak Sensor

Neptune Systems LD-3 Optical Multi-Surface Leak Sensor Neptune's LD-3 Multi-Surface Optical Leak Sensor marks a significant improvement over its analog counterpart, the LD-2 Solid Surface Leak Detection Probe. While the LD-2 utilizes conductive strips...

Neptune Systems

Neptune Systems LLS Liquid Level Sensor - 4 Inch

Neptune Systems LLS Liquid Level Sensor - 4 Inch The Neptune LLS is a first of its kind industry exclusive! While most liquid level sensors simply measure the presence or absence of liquid at a predetermined  sensor height, the LLS is one continuous...

Neptune Systems

Neptune Systems Lunar Simulator LEDs (3)

Neptune Systems Lunar Simulator LEDs (3)Want to more accurately simulate the natural environment for your tank inhabitants?Moonlight in the ocean is believed to be as significant as the time spent in full daylight. Moonlight triggers various internal and...

Neptune Systems

Neptune Systems MOS Magnetic Optical Sensor

Neptune Systems MOS Magnetic Optical Sensor The Neptune MOS replaces the previous OS-1-M and features an updated design that fits into tighter spaces and helps to prevent water incursion into the sensor. The MOS plugs into an Apex FMM port and uses...

Neptune Systems

Neptune Trident NP: 2-month Kit

Neptune Trident NP: 2-month Kit Keep your Trident NP Nitrate and Phosphate Tester running smoothly by replacing your reagents on time. This kit is easy to use with clear instructions for hassle-free reagent changes. These reagents ensure consistent and...

Neptune Systems

Practical Multi-purpose Utility Pump v2 - Neptune Systems

Practical Multi-purpose Utility Pump v2 - Neptune Systems The PMUP is a 24VDC submersible pump that was designed to directly connect to the DC24 accessory ports on either the 1Link module OR the same ports on the new Energy Bar 832.  If you own our...

Red Sea

Red Sea ReefSense Temperature Probe

Red Sea ReefSense Temperature Probe The titanium-tipped ReefSense temperature probe can be connected directly to the ReefControl Power or to the ReefControl Lite or Pro controllers, providing real-time temperature monitoring, notifications, and logs. It...

Salifert

Salifert KH/Alkalinity + Calcium + Magnesium Test Kits Pack

Salifert KH/Alkalinity + Calcium + Magnesium Test Kits PackPackage includes Salifert's popular KH/Alkalinity, Calcium, and  Magnesium test kits. Salifert KH/Alkalinity + Calcium + Magnesium Test Kits PackThis package includes Salifert's popular...

Seneye Magnetic Holder Pro

Seneye Magnetic Holder Pro The seneye magnetic holder pro is for those hobbyists who keep tanks with glass as thick as 16mm! these slim line holders fix your seneye in place allowing you to monitor your water level where ever you are in the world. The...

Triton

Triton N-DOC Organics Test Kit

Triton N-DOC Organics Test Kit Application:  Deliver insights into complex organic systems in seawater: Carbon and Nitrogen Use N/C/P ratio to manage sources of Carbon / Amino acid and control their influence on bacteria and corals in reef...

Red Sea

Red Sea Nitrate Pro (NO3) - High Definition comparator test kit (100 tests) - incl. professional colorimetric comparator

Red Sea Nitrate Pro (NO3) - High Definition comparator test kit (100 tests) - incl. professional colorimetric comparator Advanced colorimetric test with comparator, measuring the level of Nitrate in your reef aquarium, with exceptionally high accuracy...

Red Sea

Red Sea Phosphate Pro (PO4) High Definition comparator test kit (100 tests) - incl. professional colorimetric comparator

Red Sea Phosphate Pro (PO4) High Definition comparator test kit (100 tests) - incl. professional colorimetric comparator Advanced colorimetric test with comparator, measuring the level of Phosphate in your reef aquarium, with exceptionally high...

Fauna Marin

Fauna Marin Reef ICP TOTAL Test (Single Test)

Fauna Marin Reef ICP TOTAL Test (Single Test) Simple, Fast, and Precise ICP Testing with Prepaid Shipping Label The Fauna Marin Reef ICP TOTAL Test provides a fast, accurate, and user-friendly overview of more than 90 water parameters in reef aquariums...

Tropic Marin

Tropic Marin ICP Water Analyses PLUS - 1 Pack

Tropic Marin ICP Water Analyses PLUS - 1 Pack Description Professional ICP seawater laboratory analysis. The chemical elements of the seawater sample are analyzed using ICP-OES. In addition, other measurement methods are used to analyze other important...

Milwaukee Instruments

pH Calibration Solution Combo: 1 x pH 4.01Buffer Solution 220 ml 1 x pH 7.01Buffer Solution 220 ml 1 x pH 10.01Buffer Solution 220 ml

pH Calibration Solution Combo: 1 x pH 4.01Buffer Solution 220 ml1 x pH 7.01Buffer Solution 220 ml1 x pH 10.01Buffer Solution 220 mlpH Calibration Solution Combo: 1 x pH 4.01Buffer Solution 220 ml1 x pH 7.01Buffer Solution 220 ml1 x pH 10.01Buffer...

Milwaukee Instruments

C-66 Waterproof Conductivity Tester by Milwaukee Instruments

C-66 Waterproof ConductivityTester by Milwaukee InstrumentsThese instruments are designed for heavy duty applications. All testers have waterproof casing, double junction replaceable glass C-66 Waterproof ConductivityTester by Milwaukee Instruments.****...

HYDROS

HYDROS WaveEngine LE Power Supply

HYDROS WaveEngine LE Power Supply HYDROS power supply for the HYDROS WaveEngine and WaveEngine LEHYDROS WaveEngine LE Power Supply

Seneye

Seneye Dri Box

Seneye Dri Box The seneye DRi is a waterproof connection box that allows you to keep your electrical connections safe and tidy; best of all there is no need for rewiring or expensive electricians. DRi is ideal for both ponds and aquariums. With a...

Neptune Systems

Neptune Systems LD1 Leak Detection Probe for use under carpet

Neptune Systems LD1 Leak Detection Probe for use under carpet Low Profile for placing under carpet or in tight spaces. Be notified if there is ever a leak before it turns into a disaster. Connecting the LD-1 Leak Detector to the FMM module will allow...

HYDROS

HYDROS DC CO2 Solenoid Valve

HYDROS DC CO2 Solenoid Valve The HYDROS DC CO2 Solenoid Valve is electronically controlled and plugs into a Drive Port on the Control 2 and Control 4 where it can be monitored and controlled via the HYDROS app.  The HYDROS DC CO2 Solenoid...

HYDROS

HYDROS IV PRO Replacement Motor

HYDROS IV PRO Replacement Motor Replacement motor for the HYDROS IV PRO. 

Neptune Systems

Neptune Systems 24VDC 36W Power Supply - PS36 -For use with FMM and DOS

Neptune Systems 24VDC 36W Power Supply - PS36 - For use with FMM and DOS This 24VDC, 36W power supply is used with the FMM so that you can attach the powered accessories above like the PMUP or the Solenoid Valve. This power supply is for 110V...

Neptune Systems

Neptune Systems 30' AquaBus Cable (Male / Male)

Neptune Systems 30' AquaBus Cable (Male / Male) This is a thirty foot Male/Male Aquabus cable that connects one module to another or connects to an Aquabus extension cable.  This cable is intended to connect modules from one location to...

Neptune Systems

Neptune Systems Flow Sensor - 1/2" with adapters - FS50

Neptune Systems Flow Sensor - 1/2" with adapters - FS50 Usually used with aquarium accessories like reactors, carbon/GFO filters, etc., this flow sensor can be placed in line with the flow on any pipe, connected to the FMM, and communicate to your Apex...

Neptune Systems

Neptune Systems LD2 Leak Detection Probe for solid surfaces

Neptune Systems LD2 Leak Detection Probe for solid surfaces Be notified if there is ever a leak before it turns into a disaster. Connecting the LD-2 Leak Detector to the FMM module will allow your Apex Controller to notify you if water ever touches the...

Neptune Systems

Neptune Systems Replacement Head Cap for Dosing Pump

Neptune Systems Replacement Head Cap for DOS Dosing Pump Direct replacement fluid metering head assembly for the Neptune DŌS Dosing Pump. The easy to install head replaces the tubing, roller, and plastic housing head cap. Compatible with DŌS and DŌS...

Neptune Systems

Neptune Systems SV1 Solenoid Valve

Neptune Systems SV1 Solenoid Valve Perfect for controlling your RODI system, top off system, calcium reactor, or other low flow items that use 1/4" tubing. The solenoid valves uses the 24V accessory port found on 1Link modules and the EnergyBar 832...

Neptune Systems

Neptune Trident Two-Month Reagent Kit

Neptune Trident Two-Month Reagent Kit Neptune System's Replacement Reagent Kit comes with everything you need to change out the reagents for the Trident Marine Water Analyzing System. Each kit comes with new bottles that can be placed directly into the...

Milwaukee Instruments

Oxygen Electroliyte Solution 220ml., MA-9071

Oxygen Electroliyte Solution 220ml.  

Pinpoint - American Marine

Pinpoint pH Probe, Double Junction, Lab Grade

Pinpoint pH Probe, Double Junction, Lab Grade Replacement pH probe for Pinpoint pH monitors and controllers. Pinpoint pH Probe. Replacement pH probe for Pinpoint pH monitors and controllers. Product code: 1307Item No. TE-AMPP-01050

Neptune Systems

Replacement Temperature Probe for Neptune Systems Apex Controller

Replacement Temperature Probe for Neptune Systems Apex Controller- Temperature precision is 0.1°F- High-quality probe w/ 6' cable.- Encapsulated thermistor    Replacement Temperature Probe for Neptune Systems Apex Controller- Temperature precision is 0...

ATI

ATI ICP-OES Pro Lab Water Analysis - With Return Shipping

ATI ICP-OES Pro Lab Water Analysis - With Return Shipping The ATI ICP-OES Pro kit is identical to the original ATI ICP-OES test. The ATI ICP-OES Pro Lab Water Analysis is a laboratory water analysis of 43 parameters in a reef tank that...

Neptune Systems

Neptune Systems - Replacement impeller for Single WAV Pump

Neptune Systems - Replacement impeller for Single WAV Pump  If you need a new propeller for your Neptune WAV powerhead or just want to keep an extra on hand, we carry OEM supplied replacements.  Includes magnet, baseplate, propeller, and...

Red Sea

Red Sea ReefSense Magnetic 4 Probe Holder

Red Sea ReefSense Magnetic 4 Probe Holder A dedicated holder designed to cleanly and securely mount a 4 ReefSense probes (such as pH, Salinity, ORP, or Temperature) in your sump or aquarium, ensuring it stays in the optimal position for accurate readings...

Triton

Triton ICP-OES Testing Kit

Triton ICP-OES Testing Kit We have been utilizing Triton's ICP-OES testing system for some time with aquariums, additives, and almost any other liquid that we have wanted to know what is in it exactly. Triton now gives you the ability to know what is in...

HYDROS

HYDROS Leak Detection Sensor

HYDROS Leak Detection Sensor The HYDROS Leak Detection Sensor is a solid surface leak detector that can sense when freshwater or saltwater is underneath it and use that information to protect your aquarium, home, or office from total disaster...

HYDROS

HYDROS Rope Leak Sensor Kit

HYDROS Rope Leak Sensor Kit The HYDROS Leak Detection Rope Sensor is the first of its kind in the aquarium industry. The moment water comes into contact with it, that information can be used to alert you on your smartphone, sound an alarm, turn pumps...

HYDROS

HYDROS Skimmer Sensor

HYDROS Skimmer Sensor The HYDROS Skimmer Sensor serves a very specific and important role: it prevents your protein skimmer from overflowing onto the floor or back into your sump. The way it works is easy: just place the sensor inside any protein...

HYDROS

HYDROS Triple Optical Water Level Sensor

HYDROS Triple Optical Water Level Sensor 3 Water Level Sensors for Added Redundancy The HYDROS Triple Optical Water Level Sensor can be used for a variety of aquarium applications, such as sensing when your tank needs to be topped off or detecting when...

HYDROS

HYDROS Water Level Sensor

HYDROS Water Level Sensor The HYDROS Water Level Sensor is an optical sensor you can use for a variety of aquarium applications, such as sensing when your tank needs to be topped off or to detect when a dosing container needs a refill. It plugs into any...

HYDROS

HYDROS Diaphragm Water Pump

HYDROS Diaphragm Water Pump The HYDROS Diaphragm Pump is a small 12V Drive Port accessory that uses positive external displacement to move liquids. It is a smart alternative to standard internal auto-top-off (ATO) pumps. Diaphragm Water Pump The HYDROS...

HYDROS

HYDROS 4 Outlet WiFi AC Power Strip

HYDROS 4 Outlet WiFi AC Power Strip A Smart and Affordable Way to Power Your Aquarium Gear The HYDROS Power 4 WiFi Power Strip is an intelligent power bar designed to work with the CoralVue HYDROS platform. (It requires the HYDROS app, and the HYDROS...

API

API Reef Master Test Kit

API Master Reef Test KitTo maintain and grow healthy corals, the correct balance of calcium and carbonates is essential, as are low levels of phosphate and nitrate. This kit provides highly accurate testing for each of these critical parameters: ...

Red Sea

Red Sea Alkalinity Pro - High accuracy Titration Test Kit (75 tests) - incl. professional titrator

Red Sea Alkalinity Pro - High accuracy Titration Test Kit (75 tests) - incl. professional titrator Advanced titration test measuring the level of buffers in your reef aquarium, with exceptionally high accuracy of 0.05 meq/l (0.14 dKH) Test Name...

Red Sea

Red Sea Calcium Pro -High accuracy Titration Test Kit (75 tests) - incl. professional titrator

Red Sea Calcium Pro -High accuracy Titration Test Kit (75 tests) - incl. professional titrator Advanced titration test measuring the level of calcium in your reef aquarium, with exceptionally high accuracy of 5 ppm Test Name...

Red Sea

Red Sea Magnesium Pro - High accuracy Titration Test Kit (100 tests) - incl. professional titrator

Red Sea Magnesium Pro - High accuracy Titration Test Kit (100 tests) - incl. professional titrator Red Sea’s MAGNESIUM PRO Reef Test Kit is an advanced titration test, measuring the level of magnesium in your reef aquarium to an exceptionally high...

AutoAqua

AutoAqua Smart Stir

AutoAqua Smart Stir The Auto Aqua Smart Stir makes testing with liquid reagents a fast and effortless process. Just drop the magnetic stirring bar in the testing vial, put it on the stir base, and press the power button. Forget about tediously adding a...

Seneye

Seneye Replacement Slides - Ammonia and pH (3 Pack)

Seneye Replacement Slides - Ammonia and pH (3 Pack) This pack includes three slides totalling 3 months seneye+. This is just $11 for 30 day of water monitoring, including e-mail and SMS alerts The seneye+ includes the disposable...

HYDROS

HYDROS System Command Bus Cable 50 ft. (DATA ONLY)

HYDROS System Command Bus Cable 50 ft. (DATA ONLY) CoralVue HYDROS 5PIN System Command Bus Cable (DATA ONLY) This HYDROS System Command Bus DATA ONLY Cable allows HYDROS devices to communicate. This is a DATA ONLY cable that cannot supply power from...

HYDROS

HYDROS WiFi Fish Feeder

HYDROS wifi fish feeder Feed Your Fish In Confidence  The HYDROS Automatic WiFi Fish Feeder is suitable for a variety of fish foods. A HYDROS Control is required to operate. The Fish Feeder is WiFi controllable using the free HYDROS app for Android...