Iodine Pro Test Kit High accuracy measuring of total iodine level in your reef aquarium I2   Red Sea’s Iodine...

PINPOINT Salinity Monitor will accurately and immediately measure the amount of salt in any marine or freshwater system. The reading...

Hydrps Diaphragm Water Pump The HYDROS Diaphragm Pump is a small 12V Drive Port accessory that uses positive external displacement...

Reef Kinetics Reefbot Replacement Tubes 2 Meters Silicon Tubes (Set of 3)

AutoAqua's Smart Skimmer Security prevents protein simmer from overflowing. Magnetically coupled optical sensor mounts up to smooth surfaces 1/2 inch...

Never before offered in the aquarium industry the LLS Sensors allow for the measurement of water depth in inches or...

Never before offered in the aquarium industry the LLS Sensors allow for the measurement of water depth in inches or...

CoralVue HYDROS CO2 Solenoid Valve The HYDROS DC CO2 Solenoid Valve is the ideal solution for controlling the CO2 flow...

Neptune Systems Aquabus Cable - 30' M/M AQUABUS CABLES WHAT ARE THEY? Aquabus is the communication link between your Apex...

Aquabus 30′ Extension Cable This is a thirty foot Male/Female Aquabus cable that is used as an extension cable to...

SWS & WiFi The seneye web server with WiFi module removes the need for a pc altogether and allows wireless...

110V electronic solenoid valve for CO2 regulator.   Features: LED on/off light indicator Power cord Specs: Trade Size Threads per...

This is the perfect fluid for the storage of any pH or ORP/REDOX Electrode. American Marine Probe Storage Fluid will...

Lunar LED String – 5 LEDs Use this string of LED in combination with your Lunar Simulation Module When you...

6' AquaBus Cable (M/M)

15' Male/Female AquaBus cable. Extension Aquabus cable used to lengthen AquaBus cables so that modules which are more than 15'...

Same as most digital meters, this meter apply a work theory which is measuring the liquid conductance to determine its...

Milwaukee's economical testers are easy-to-use and low cost instruments to measure quick and reliable pH values. Range 0.0 - 14.0...

The ATI ICP-OES Pro kit is identical to the original ATI ICP-OES test.   The ATI ICP-OES Pro Lab Water Analysis is...

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

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

SeaTest Mg - Saltwater Magnesium is the third most important element in the composition of seawater. It is essential to...

SeaTest PO4 - Freshwater and Saltwater Phosphate is an end product from the degradation of organic substances such as uneaten...

SeaTest NO3 - Freshwater and Saltwater Uneaten food, fish waste and other organic nitrogen containing compounds are broken down by...

SeaTest pH - Freshwater and Saltwater The pH value is one of the key values of an aquarium or pond....

Say Goodbye to Manually Testing for Calcium, Alkalinity, or Magnesium in your Reef!   The Trident is an automated testing...

NEW EXPIRES 12/2025  - SAVE 80%   Nitrate Pro Test Kit Exceptionally high accuracy colorimetric comparator tests for Nitrate measurement...

M-Rack: One Magnet, Endless Possibilities M-Rack is a versatile magnetic mounting system for your aquarium. It brings a stylish, practical...

The API KH TEST KIT tests fresh or saltwater aquariums for carbonate hardness (KH), and helps monitor water quality and...

Red Sea MCP NO2/NO3 Test - 60/100 tests Provides 50 Nitrate plus 50 Nitrite advanced colorimetric tests for marine aquariums...

Easy to Read Dymax RF-20 Sea Water Refractometer Salinity refers to the amount of salt concentration in water. Different salt...

Reef Kinetics Reefbot 60 ml vial - Single unit

The HI740271 is a replacement filter holder with Luer lock (1 pc.) for use with the HI781 Low Range Marine...

Flow Sensor – 2″ (FS-200) Usually used with a return pump, this flow sensor can be placed in line with...

High sensitivity seawater carbonate hardness test kit easy usable drop test stable titration reagent precise colour change separate indicator and...

TRACE-COLORS PRO MULTI TEST KIT Advanced tests for the high accuracy measurement of Iodine, Potassium and Iron. Recommended for Ultra...

Magnesium Pro Test Kit Advanced titration magnesium test kit Mg     Red Sea’s Magnesium Pro Test Kit is an...

Alkalinity Pro Test Kit Advanced alkalinity titration test KH       Red Sea’s KH/Alkalinity Pro Test Kit is an...

PINPOINT® Temperature Controller is an inexpensive but rugged controller that can be used for a chiller or a heater; or...

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

Standard Stand Legs for "Tabletop Mounting" of the CoralVue Aquarium Controller Boards (sold separately). The legs provide a simple yet...

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

Never before offered in the aquarium industry the LLS Sensors allow for the measurement of water depth in inches or...

ACCESSORY POWER SUPPLY 110V power supply for our DC24 accessories like the PMUP and Solenoid Valve.  You can use these...

The Copper High Range Checker HC Calibration Check Set - HI702-11 provides a simple solution to validating the Copper High...

Cuvet cleaning solution (230 mL)

Stop struggling to get accurate results for your saltwater aquarium with our simple handheld colorimeter. Our nitrite colorimeter fills the...

Please note: Cable will vary from photo, stock photo shown. Hydros Maxspect Gyre 130/230 WE Pump Adapter Direct Pump Driver...

Neptune Systems LDK - Leak Detection Kit Detects leaks on contact Instantly alerts you via your mobile device Monitor for...

Our seneye device magenetic holder is designed to hold your seneye USB device securely in place using powerful neodymium magets....