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Control

Controlling and Monitoring your Aquarium is Crucial, so are Topping up Evaporation Water via Automation, Heating, Cooling and Auto Top Off (ATO).

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  • On Sale 12%
    Apex Trident Reagent Kit (6 Month Supply) - Neptune Systems
    On Sale 12%

    Apex Trident Reagent Kit (6 Month Supply) - Neptune Systems

    Neptune Systems

    $109.99
    $96.79
    Trident Reagent Kit 6 Month Supply - With six month kits, the cost of running the Trident is less than $17 per month - that’s averages out to about 7 cents a test! Neptune Systems recommends keeping on hand no more Trident reagent than you might...
  • On Sale 12%
    Apex Trident Reagent Kit (2 Month Supply) - Neptune Systems
    On Sale 12%

    Apex Trident Reagent Kit (2 Month Supply) - Neptune Systems

    Neptune Systems

    $49.99
    $43.99
    PLEASE ONLY PURCHASE 1x Two Month Supply.  We will not be able to restock any reagents for the next 30 days. 2-month reagent kit (based on the default testing schedule of 4-Alk/2-Ca/2-Mg per day).  The reagent kit has at least 240...
  • On Sale 12%
    Apex CD3 Crossover Diet Food - (3 oz) Pouch - Neptune Systems
    On Sale 12%

    Apex CD3 Crossover Diet Food - (3 oz) Pouch - Neptune Systems

    Neptune Systems

    $14.95
    $13.16
    The Crossover Diet from Neptune Systems is a new type of food that was designed specifically for coral reef tanks and specifically for automatic feeding systems. Working closely with Reed Mariculture (the manufacturer of Reef Nutrition foods) we came up...
  • On Sale 12%
    Apex MPR Magnetic Probe Rack - Neptune Systems
    On Sale 12%

    Apex MPR Magnetic Probe Rack - Neptune Systems

    Neptune Systems

    $44.95
    $39.56
    Neptune Systems Magnetic Probe Rack Features – MPR: Organizes up to four probes. Designed specifically for the Apex Controller probes, a perfect fit for the thicker temp probes. Built with an all acrylic weather and shatter resistant design...
  • On Sale 12%
    Apex DOS Dosing Pump & Fluid Metering System - Neptune Systems
    On Sale 12%

    Apex DOS Dosing Pump & Fluid Metering System - Neptune Systems

    Neptune Systems

    $349.99
    $307.99
    A multi-purpose dosing and fluid delivery system of uncompromising quality combined with the simplicity of Apex Fusion software wizards for operations such as: 2-part dosing (Calcium and Alkalinity) Other additives dosing Automatic water...
  • On Sale 12%
    Apex Temperature Probe - Neptune Systems
    On Sale 12%

    Apex Temperature Probe - Neptune Systems

    Neptune Systems

    $34.99
    $30.79
    Replace your Temperature Probe, add one for another tank, or put one on your PM2/PM3 module for temperature compensated readings. Buy this probe if you are: Replacing an old probe. Adding another tank to your system via a PM1. Want to have more...
  • On Sale 12%
    Apex AFS - Automatic Feeding System - Neptune Systems
    On Sale 12%

    Apex AFS - Automatic Feeding System - Neptune Systems

    Neptune Systems

    $115.99
    $102.07
    Feed your fish consistently, and safely, while you are home OR away! NOT A STAND-ALONE FEEDER (MUST BE USED WITH AN APEX SYSTEM) A key component of caring for aquatic animals is regularly providing them with food, but in amounts that get consumed...
  • On Sale 12%
    Apex TRIDENT (Alk, Cal, Mag) Monitoring Device - Neptune Systems
    On Sale 12%

    Apex TRIDENT (Alk, Cal, Mag) Monitoring Device - Neptune Systems

    Neptune Systems

    $674.99
    $593.99
    The Trident is an automated testing system that regularly tests alkalinity, calcium, and magnesium in your saltwater aquarium — and then communicates this information to your Apex so you can get alerts, and change your dosing. When combined with...
  • On Sale 12%
    Apex 1LINK Power Cable Male to Male - 10’ - Neptune Systems
    On Sale 12%

    Apex 1LINK Power Cable Male to Male - 10’ - Neptune Systems

    Neptune Systems

    $23.99
    $21.11
    4-pin male to male cable many of you have been waiting for. It is ten feet long. This cable allows you to connect your DŌS to the 1LINK thereby eliminating the need for the DŌS to be connected to a power supply brick or the AquaBus cable. Just one wire!...
  • On Sale 12%
    DOS Replacement Pump Head Cap - Neptune Systems
    On Sale 12%

    DOS Replacement Pump Head Cap - Neptune Systems

    Neptune Systems

    $36.99
    $32.55
    DŌS Replacement Pump Head Cap for your Neptune Systems DŌS module.  Complete assembly includes cover, peri-tube, fittings and roller wheel. Neptune Systems recommends that these be replaced approximately every 700 hours of pump run time.
  • On Sale 12%
    PMUP V2 Practical Multipurpose Utility Pump - Neptune Systems
    On Sale 12%

    PMUP V2 Practical Multipurpose Utility Pump - Neptune Systems

    Neptune Systems

    $47.99
    $42.23
    The PMUP is a multi-purpose pump that can be used for many different tasks on your aquarium. Automatic Top-Off (ATO) Carbon reactors GFO reactors Biopellet reactors Many other salt or freshwater uses NEW IN VERSION 2: Automatic shut off when...
  • On Sale 12%
    Energy Bar 832 Apex 1LINK Power (EB832) - Neptune Systems
    On Sale 12%

    Energy Bar 832 Apex 1LINK Power (EB832) - Neptune Systems

    Neptune Systems

    $304.99
    $268.39
    This Energy Bar 832 was redesigned from the ground up.  Not only does it have eight 120V AC outlets, but it includes an internal 100W 24VDC power supply as well. That power supply feeds three built-in 1LINK ports as well as two 24VDC accessory ports...
  • On Sale 12%
    Apex ATK V2 Automatic Top-Off Kit ATO (ATK) - Neptune Systems
    On Sale 12%

    Apex ATK V2 Automatic Top-Off Kit ATO (ATK) - Neptune Systems

    Neptune Systems

    $239.99
    $211.19
    The ATK (Automatic Top-off Kit) is a simple, standalone, and complete solution for replacing water lost to evaporation. The new aquarium hobbyist has many challenges, but none is more annoying than the chore of adding water, every day, to make up for...
  • On Sale 12%
    V2 FMM Optical Level Sensor (OS-1) - Neptune Systems
    On Sale 12%

    V2 FMM Optical Level Sensor (OS-1) - Neptune Systems

    Neptune Systems

    $29.99
    $26.39
    This sensor plugs into your FMM and, using reflected infrared light, will signal your Apex when it changes state from being wet to dry or dry to wet. This sensor can be used for constructing your own ATO (auto-top-off), as a high-level warning sensor in...
  • 150 Watt Jager TruTemp Submersible Aquarium Heater - Eheim

    150 Watt Jager TruTemp Submersible Aquarium Heater - Eheim

    EHEIM

    $27.49
    With the EHEIM precision heater your fish receive exactly the right temperature – in any aquarium. Obvious ideas often are the best ones. For example, the aquarium heater as a rod. The heating rod is simply hung in the water and heats it. It is...
  • (306T-WIFI) WiFi Aquarium Heater Controller - Inkbird

    (306T-WIFI) WiFi Aquarium Heater Controller - Inkbird

    Ink Bird

    $59.99
    Pre-wired Electronic Heating Thermostat Temperature Controller and Digital Timer Controller for Aquariums, now with WIFI control. ITC-306T WIFI is a pre-wired heating output temperature controller with time function specifically for aquariums. It can be...
  • 75 Watt Jager TruTemp Submersible Aquarium Heater - Eheim

    75 Watt Jager TruTemp Submersible Aquarium Heater - Eheim

    EHEIM

    $24.49
    With the EHEIM precision heater your fish receive exactly the right temperature – in any aquarium. Obvious ideas often are the best ones. For example, the aquarium heater as a rod. The heating rod is simply hung in the water and heats it. It is...
  • 50 Watt Jager TruTemp Submersible Aquarium Heater - Eheim

    50 Watt Jager TruTemp Submersible Aquarium Heater - Eheim

    EHEIM

    $24.49
    With the EHEIM precision heater your fish receive exactly the right temperature – in any aquarium. Obvious ideas often are the best ones. For example, the aquarium heater as a rod. The heating rod is simply hung in the water and heats it. It is...
  • 300 Watt Jager TruTemp Submersible Aquarium Heater - Eheim

    300 Watt Jager TruTemp Submersible Aquarium Heater - Eheim

    EHEIM

    $31.99
    With the EHEIM precision heater your fish receive exactly the right temperature – in any aquarium. Obvious ideas often are the best ones. For example, the aquarium heater as a rod. The heating rod is simply hung in the water and heats it. It is...
  • On Sale 12%
    Apex FMM Solenoid Valve (SV-1) - Neptune Systems
    On Sale 12%

    Apex FMM Solenoid Valve (SV-1) - Neptune Systems

    Neptune Systems

    $34.99
    $30.79
    This 24VDC powered, normally-closed (NC), solenoid valve has push-fit tubing input and outputs designed for standard 1/4″ tubing. The electrical connection on this solenoid valve fits the DC24 accessory ports found on the FMM, 1Link, and Energy Bar...
  • On Sale 12%
    Magnetic Optical Sensor (MOS) - Neptune Systems
    On Sale 12%

    Magnetic Optical Sensor (MOS) - Neptune Systems

    Neptune Systems

    $41.99
    $36.95
    The Magnetic Optical Sensor replaces our optical sensor with magnet and offers an improved look, feel, and magnetic design that also lends itself to help prevent water incursion into the sensor. This sensor plugs into your FMM and, using reflected...
  • On Sale 12%
    Apex COR 20 - Controllable Flow/Return Pump - Neptune Systems
    On Sale 12%

    Apex COR 20 - Controllable Flow/Return Pump - Neptune Systems

    Neptune Systems

    $399.99
    $351.99
    COR 20 - This pump is identical in physical size to the COR 15 but with the addition of an External power supply can push over 2000gph! All that flow for less than 100w of power and it is nearly silent. After deciding to do this larger, higher flow...
  • On Sale 12%
    Fluid Monitoring Module (Module Only) - Neptune Systems
    On Sale 12%

    Fluid Monitoring Module (Module Only) - Neptune Systems

    Neptune Systems

    $109.99
    $96.79
    FMM – FLUID MONITORING MODULE IT DOES SO MUCH! This is just the module itself without and sensors. The FMM (Fluid Monitoring Module) is a module that connects to any Apex (Apex(2016), Apex Classic, Apex Lite, Apex Jr.) via it’s AquaBus...
  • On Sale 12%
    Double Junction Lab Grade pH Probe - Neptune Systems
    On Sale 12%

    Double Junction Lab Grade pH Probe - Neptune Systems

    Neptune Systems

    $94.99
    $83.59
    Double junction probes place a second vessel inside the main electrolyte with a second internal junction. The means that even when the aquarium water eventually begins to make its way in the first compartment, it still has to go through the second...
  • On Sale 12%
    Apex FMM Flow Sensor – 1″ (FS-100) w/Unions - Neptune Systems
    On Sale 12%

    Apex FMM Flow Sensor – 1″ (FS-100) w/Unions - Neptune Systems

    Neptune Systems

    $65.99
    $58.07
    Usually used with a return pump, this flow sensor can be placed in line with the flow on any pipe, connected to the FMM, and communicate to your Apex the flow rate of water through that pipe. The flow sensor itself uses BSPP threads so for North...
  • 200 Watt Jager TruTemp Submersible Aquarium Heater - Eheim

    200 Watt Jager TruTemp Submersible Aquarium Heater - Eheim

    EHEIM

    $31.99
    With the EHEIM precision heater your fish receive exactly the right temperature – in any aquarium. Obvious ideas often are the best ones. For example, the aquarium heater as a rod. The heating rod is simply hung in the water and heats it. It is...
  • HYDROS Dosing Pump

    HYDROS Dosing Pump

    Hydros

    $59.99
    Requires a Hydros to Control the Unit The HYDROS Dosing Pump is a simple and affordable way to automate the addition of liquid supplements, trace elements, and two-part solutions to an aquarium. Connect the Dosing Pump to any available HYDROS Control...
  • Apex Dosing Package DOS QD, DDR & Tubing - Neptune Systems

    Apex Dosing Package DOS QD, DDR & Tubing - Neptune Systems

    Neptune Systems

    $479.95
    This package includes: 1x - Apex DOS QD Dosing Pump 1x - Apex DDR Dosing Reservoir 2x - Apex 4 Meter DOS Tubing A multi-purpose dosing and fluid delivery system of uncompromising quality combined with the simplicity of Apex Fusion...
  • HYDROS Power 4 WiFi Power Strip - Coralvue

    HYDROS Power 4 WiFi Power Strip - Coralvue

    Hydros

    $39.99
    * Requires a HYDROS Controller to Operate.  Will not operate standalone. The HYDROS Power 4 WiFi Power Strip is a smart power bar designed to work with the CoralVue HYDROS platform.  The Power 4 has 4 x 120V AC outlets and 4 x USB ports...
  • On Sale 12%
    Optical Multi-Surface Leak Sensor (LD-3) - Neptune Systems
    On Sale 12%

    Optical Multi-Surface Leak Sensor (LD-3) - Neptune Systems

    Neptune Systems

    $42.99
    $37.83
    New to the leak detector offerings is the Optical Multi Surface Leak Sensor (LD-3).  This is a weighted sensor that is an improved sensor and design over our Solid-Surface Leak Sensor (LD-2).  Those improvements include: An epoxied design...
  • On Sale 12%
    Apex FMM Leak Detection Probe Solid Surface (LD-2) - Neptune Systems
    On Sale 12%

    Apex FMM Leak Detection Probe Solid Surface (LD-2) - Neptune Systems

    Neptune Systems

    $34.99
    $30.79
    Plug this probe into your FMM and then place it on any surface where you want to detect stray water. Upon contact with water this probe will communicate to your Apex and alerts or other actions can then take place.  Time is so critical when it...
  • 100 Watt Jager TruTemp Submersible Aquarium Heater - Eheim

    100 Watt Jager TruTemp Submersible Aquarium Heater - Eheim

    EHEIM

    $27.49
    With the EHEIM precision heater your fish receive exactly the right temperature – in any aquarium. Obvious ideas often are the best ones. For example, the aquarium heater as a rod. The heating rod is simply hung in the water and heats it. It is...
  • 500 Watt Titanium (Heater Element Only) w/Guard (70-130 Gallon) - Finnex

    500 Watt Titanium (Heater Element Only) w/Guard (70-130 Gallon) - Finnex

    Finnex

    $59.99
    This Heating Element Required a Heating Controller to Operate! - https://www.saltwateraquarium.com/hc-810m-digital-temperature-controller-up-to-800-watts-finnex/ The Titanium Finnex Heaters are corrosion-resistant, extending the life exponentially from...
  • 250 Watt Jager TruTemp Submersible Aquarium Heater - Eheim

    250 Watt Jager TruTemp Submersible Aquarium Heater - Eheim

    EHEIM

    $31.99
    With the EHEIM precision heater your fish receive exactly the right temperature – in any aquarium. Obvious ideas often are the best ones. For example, the aquarium heater as a rod. The heating rod is simply hung in the water and heats it. It is...
  • On Sale 12%
    Apex Breakout Box - Neptune Systems
    On Sale 12%

    Apex Breakout Box - Neptune Systems

    Neptune Systems

    $47.99
    $42.23
    Connect external switches and I/O Inputs to your Apex When connected to the I/O Port of your Apex, Apex Lite, or PMx module, the Breakout Box gives you an easy way to connect up to six external switch inputs to your Apex. Examples of things you might...
  • HYDROS Water Level Sensor

    HYDROS Water Level Sensor

    Hydros

    $39.99
    Requires a HYDROS System to operate 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...
  • On Sale 12%
    Apex ADM Silver Display - Neptune Systems
    On Sale 12%

    Apex ADM Silver Display - Neptune Systems

    Neptune Systems

    $115.99
    $102.07
    A redesigned display module has been created with a slick new look that matches the color scheme. Orange LED