The ITC Reefculture M-Rack Probe Holder Plate is made from the highest quality CNC-cut glossy black acrylic. Holds up to...

The ITC Reefculture M-Rack Dosing Line Plate is made from the highest quality CNC-cut glossy black acrylic.    Requires 2x...

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

OPEN BOX RETURN- SAVE 15% Milwaukee's economical testers are easy-to-use and low cost instruments to measure quick and reliable pH...

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

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

Reef Kinetics Reefbot Replacement Magnetic Stirrers for chambers and 60ml Vials (Set of 10)

Probes Multi holder Probes Multi holder is designed for probes and sensors from Reef Factory. It serves to keep them...

Reef Factory Level Sensor Modern smart devices - apart from the traditional functionalities offered by other products, deliver numerous improvements...

A HYDROS controller with 3 Universal Drive Ports dedicated to powering small 12V devices. Capable of driving cabinet LEDs, solenoids,...

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...

Fauna Marin AquaHomeTest NO2+NO3 Refill - Reagent B Refill Reagent B for Fauna Marin AquaHomeTest NO2+NO3.   Safety Note:  Solution...

Fauna Marin AquaHomeTest NO2+NO3 Refill - Reagent A Refill Reagent A for Fauna Marin AquaHomeTest NO2+NO3.   Safety Note:  Solution...

Fauna Marin AquaHomeTest Ca+Mg Refill Refill Reagents for Fauna Marin AquaHomeTest Ca+Mg.   Safety Note:  Solution A can cause skin...

Reef Octopus Octo Pulse 2 Flow Pump With WaveEngine LE Controller Max Flow: 1,600gph | 5-10watts | 20 - 80+...

IceCap 4K Gyre Flow Pump with WaveEngine LE Controller The IceCap 4K Gyre Flow Pump is not only more powerful...

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

Red Sea MCP Magnesium Test - 75 tests Accurate measurement of Magnesium in marine aquariums Mg   Red Sea’s user-friendly...

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

Red Sea MCP Ammonia Test - 100 tests Accurate measurement of ammonia in marine aquariums NH3 | NH4   Red...

PH/ALKALINITY MARINE TEST KIT Includes an accurate titration test for KH and a colorimetric test for pH for monitoring these...

Durable acrylic bottle caddy holds ten 37mm diameter bottles and includes four 25.5mm diameter reducers for smaller bottles.   The...

Monitor & Control Like a Pro, Even if You're a Beginner The HYDROS Control 2 Starter Pack is the first...

NEW OPEN BOX RETURN  - Brand New return. SAVE 20%   Advanced Interface Module (AIM) Universally Compatible with Most Controllers...

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

HI740228 is a filter disc; part of accessory kit for preparation of samples to be analyzed (nutrients for agriculture) with...

The Marine Nitrate Low Range Checker Calibration Check Set - HI781-11 provides a simple solution to validating the Marine Nitrate...

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

Please note: Cable will vary from photo, stock photo shown. Hydros Maxspect Gyre 150/250/280 WE Pump Adapter Direct Pump Driver...

Includes:  HIREEF-2: Reef Professional Kit Version 2                           ...

Seneye Leak Detector   What could be worse for your fish than no water in the tank and a wet...

Seneye Leak Detector   What could be worse for your fish than no water in the tank and a wet...

The Reef Brite Bluetooth Controller allows complete control of XHO, LumiLite Pro, and LumiLite units. Easy to install, simple to...

The PINPOINT CO2 Regulator Kit is now available. This is a high end regulator/solenoid engineered specifically for the aquarium hobby...

Smart Temp Security Smart Temp Security controls an aquarium heater or chiller within a range of 72℉ to 84℉. A...

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

The HI98308 Pure Water tester is a rugged and reliable pocket-sized tester that offers quick and accurate readings. The HI98308...

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