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

Test Alkalinity with Confidence! The Kamoer KH Carer is an automatic testing device measuring KH values (Alkalinity) in an aquarium....

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...

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

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

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

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

HYDROS Rope Leak Sensor Cable ONLY. Part of set     WARRANTY CoralVue, Inc. and HYDROS hereby guarantee this product...

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...

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

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...

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

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...

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....

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

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

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

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

Now you can connect your seneye device to your PC, or power adaptor, up to 5m from your aquarium and...

This seneye USB Power Adapter (US) is a compact power adapter that offers flexibility for those who don’t wish to...

Hardcore Reefer? Now you can monitor your fish and coral while transporting during a move, purchase, etc The car power...

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

Save 50% Extension cable for control line of light bar or powerbar Length: 5 m

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...

Lunar LED String – 3 LEDs Use this string of LED in combination with your Lunar Simulation Module When you...

Lunar Simulator Module :: LSM Want to more accurately simulate the natural environment for your tank inhabitants? Moonlight in the...

Leak Detection Probe for solid surfaces  (LD-2) Plug this probe into your FMM and then place it on any surface...

Leak Detection Probe for use under carpet  (LD-1) Plug this probe into your FMM and then place it underneath your...

Two Little Fishies AccuraSea Seawater Reference Do you think it’s important to maintain salinity precisely? We’re with you. That’s why...

The PM3 probe module, includes support for dissolved oxygen, temperature, and 6 digital inputs. The PM3 features are: Monitor/Control Dissolved...

The PM2 salinity module, includes support for conductivity (salinity), temperature, and 6 digital inputs. The PM2 features are:   Monitor/Control...

Have a few left- SAVE 20% The 10' Aqua Illuminations interface cable allows the VDM to be connected to the...

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'...

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

To minimize clogging and ensure fast response time, always keep the glass bulb and the junction of your pH electrode...

Probe holder can fit up to four probes. Its design to hold ph, ORP, salinity and/or temp probe. It has...

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

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

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