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On Sale 15%
500 Watt Titanium (Heater Element Only) w/Guard (70-130 Gallon) - Finnex
Finnex$59.99$50.99This 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... -
HYDROS Kraken 24V Force Port Cable - HYDROS
Hydros$14.99This HYDROS Force Port Adapter Cable (72 inches long) is designed to directly connect the Kraken to power popular 24V aquarium equipment. The eight available orange 24V Force Ports on the Kraken can power DC pumps, lights, or any device where the power... -
On Sale 15%
(ITC-306A) Dual Digital Aquarium Heater Controller w/Dual Temp Probes & WIFI - Inkbird
Ink Bird$59.99$50.99Inkbird Dual Temperature Controller with Dual Aquarium Probes & WIFI control. WIFI smart controller supports both IOS & Android,WIFI supports 2.4GHz Wi-Fi router, free APP “InkbirdSmart” which is able to monitor temperature... -
On Sale 15%
100 Watt Jager TruTemp Submersible Aquarium Heater - Eheim
EHEIM$29.99$25.49With 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 15%
Apex Dosing Package DOS QD, DDR & Tubing - Neptune Systems
Neptune Systems$565.98$481.08This 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... -
On Sale 12%
3-in-1 ReefATO + Auto Top Off System ATO (SALTWATER ONLY) - Red Sea
Red Sea$215.00$189.20The ReefATO+ sensor requires the electrical conductivity levels that are typical for seawater to work properly and therefore this system will not work for freshwater systems. The ReefATO+ is an exceptionally reliable auto top-off system that includes a... -
On Sale 15%
250 Watt Jager TruTemp Submersible Aquarium Heater - Eheim
EHEIM$37.49$31.87With 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%
ReefCan 40L 10 Gallon Auto Top Off Container (R35632) - Red Sea
Red Sea$99.00$87.12The Red Sea ReefCan is an Auto Top Off reservoir designed to either fit in the cabinet alongside a sump or failing that, at the side of the cabinet on the outside. It will come in two sizes, a 40 liter/10.6-gallon volume, and an 18 liter/4.8 gallon,... -
On Sale 15%
Apex Breakout Box - Neptune Systems
Neptune Systems$47.99$40.79Connect 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 Kraken 12V Drive Port Cable - HYDROS
Hydros$14.99This HYDROS Drive Port Cable (72 inches long) is designed to connect to an available Drive port on a Kraken, X2, X4, XD, or other HYDROS Control directly to power small 12V devices such as ATO pumps, cabinet LED lights, fans, solenoids, and steering... -
On Sale 15%
Apex FMM Leak Detection Probe Solid Surface (LD-2) - Neptune Systems
Neptune Systems$34.99$29.74Plug 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... -
HYDROS Magnet Mount Temperature Sensor
Hydros$24.99Requires a HYDROS System to operate The HYDROS Temperature Sensor is an easy and affordable way to prevent your aquarium water from becoming too cold or too hot. It monitors the water temperature in your aquarium so you can keep it within the safe... -
On Sale 15%
125 Watt Jager TruTemp Submersible Aquarium Heater - Eheim
EHEIM$27.49$23.37With 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 15%
15" Liquid Level Sensor (LLS-15) - Neptune Systems
Neptune Systems$64.99$55.24Probably the most popular sized level sensor this is the ideal sensor for your average containers used in and around aquarium. This will be the ideal sensor for measuring the return pump section of your sump. You will be able to make... -
On Sale 15%
300 Watt Titanium (Heater Element Only) w/Guard (40-80 Gallon) - Finnex
Finnex$55.99$47.59This 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... -
On Sale 15%
24VDC 36W Apex Power Supply for DOS & FMM (PS-36-US) - Neptune Systems
Neptune Systems$34.99$29.74This is a power supply for the Neptune Systems FMM, DOS, ATK and Trident. -
On Sale 15%
Apex DC24 Extension Cable - 10’ Male to Female - Neptune Systems
Neptune Systems$19.99$16.99The 1LINK module and the EB832 have two DC24 accessory outputs built that act like additional on/off outlets for DC24 devices. There are some Neptune Systems accessories, like our PMUP, that connect to these outputs directly. There are... -
On Sale 15%
Apex PM2 - Salinity, Temperature, I/O Expansion Module - Neptune Systems
Neptune Systems$94.99$80.74Maintaining consistent salinity in your aquarium is key to the well being of every organism inside it. And, as busy as we sometimes are, we don’t even realize our parameters are out of whack until it’s too late. With this module, your Apex... -
Hydros Pump Adapter Cable - IceCap Gyre WE Pump Adapter
Hydros$11.99Direct Pump Driver - For IceCap Gyre WE pumps the HYDROS WaveEngine connects directly to the pump head. This removes the clutter of the power brick and the control head for these pumps. -
On Sale 15%
Apex ADM Silver Display - Neptune Systems
Neptune Systems$115.99$98.59A redesigned display module has been created with a slick new look that matches the color scheme. Orange LED -
On Sale 15%
GRO Refugium Light w/ Tank Mount - Neptune Systems
Neptune Systems$154.99$131.74Some of the most successful reef aquariums employ the use of a macroalgae-filled growth area or refugium for the purpose of nutrient control. The GRO is a specialized, 20W LED light designed to grow many types of common macroalgaes (i.e. Chaetomorpha)... -
On Sale 10%
Seneye+ 3 Month Slide Pack - Seneye
Seneye$39.99$35.99The seneye+ disposable slide adds pH and NH3 monitoring to your seneye along with alerts and graphs for these dangerous pollutants. Each slide lasts 30 days. For use in conjunction with all seneye devices. Everyone should test their water to ensure... -
HYDROS Rope Leak Sensor Kit
Hydros$39.99Requires a HYDROS System to operate Protect your aquarium, home, or office from total disaster The HYDROS Rope Leak Detection Sensor is a flexible line that detects the presence of moisture anywhere along the rope. Kit Includes: Leak... -
On Sale 10%
Seneye Reef Aquarium Monitor - Seneye
Seneye$219.99$197.99Are your corals not as vibrant as you expect? Have you ever had an aquarium crash unexpectedly? Now with the seneye Reef you can continuously monitor and analyze key life-critical parameters in your saltwater aquarium to ensure that your corals and fish... -
HYDROS DC Micro Pump
Hydros$24.99Requires a HYDROS System to operate With a HYDROS DC Micro Pump and a HYDROS Optical Water Level Sensor (or Float Sensor), you can use the HYDROS Control 2 and Control 4 as an auto top-off (ATO) system. Just plug the pump into a... -
M 50 Watt Submersible Glass Heater (up to 15 Gallons) - Fluval
Fluval$29.99M series heaters combine modern aesthetics with reliable Italian construction. Employing an ultra-slim profile, M heaters are a welcomed departure from traditional, more bulky designs. The M series is highlighted by its reflective... -
M 150 Watt Submersible Glass Heater (up to 45 Gallons) - Fluval
Fluval$33.99M series heaters combine modern aesthetics with reliable Italian construction. Employing an ultra-slim profile, M heaters are a welcomed departure from traditional, more bulky designs. The M series is highlighted by its reflective... -
On Sale 10%
HYDROS Control XP8 (Controller Only)
Hydros$279.99$251.99Please note: CONTROL XP8 ONLY - Nothing else is included. Achieve Ultimate Security with the HYDROS Control XP8 Power Strip The HYDROS Control XP8 is an eight 120V AC outlet energy bar and can control eight HYDROS WiFi devices with individual power... -
On Sale 15%
Apex 1' Aquabus Cable ( M/M ) - Neptune Systems
Neptune Systems$11.99$10.19Use this cable to connect Apex Systems and modules together. The Apex is a modular system that allows you to connect many modules together in either a “daisy-chain” or star topology method. Use this cable to connect together the Apex,... -
On Sale 15%
Apex 1LINK DIY DC24 to Bare Wire Cable - 10’ - Neptune Systems
Neptune Systems$19.99$16.99This cable connects to the 24VDC accessory connections on the 1LINK. This cable has two bare (tinned) wires on the other end so you could connect it up to a 24VDC device of your choosing so long as it draws no more than 35W. Examples might include a... -
HYDROS Skimmer Overflow Sensor
Hydros$39.99Requires a HYDROS System to operate 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... -
On Sale 15%
DOS QD Quiet Drive Automatic Dosing System - Neptune System
Neptune Systems$349.99$297.49DŌS QuietDrive - Dose. Automate. Protect. New QuietZone Modes for Reduced Noise New Continuous Duty Modes Same Reliable DŌS Hardware Compatible with A2 and A3 Series Apex Controllers In the most important ways, this is still the same Neptune... -
On Sale 12%
ReefCan 18L 5 Gallon Auto Top Off Container (R35631) - Red Sea
Red Sea$69.00$60.72The Red Sea ReefCan is an Auto Top Off reservoir designed to either fit in the cabinet alongside a sump or failing that, at the side of the cabinet on the outside. It will come in two sizes, a 40 liter/10.6-gallon volume, and an 18 liter/4.8 gallon,... -
On Sale 30%
300 Watt Titanium Heater Element - Bulk Reef Supply
Bulk Reef Supply$74.99$52.49We have been on the hunt for a reliable heating element that solves a lot of the issues we currently have with other heaters in the hobby. We have always had issues with heaters that have built-in controllers and segregating the controller out from the... -
On Sale 15%
Osmolator 3 Automatic Water Top Off (ATO) 3154 - Tunze
Tunze$229.99$195.49Straightforward and safe water level controller for fresh and sea water with optical control sensor and independent thermal safety sensor. A constant water level keeps the salt concentration constant in seawater aquariums. Incl. Turbelle® High... -
Hydros Pump Adapter Cable - TUNZE 0-10V Pump Adapter
Hydros$11.99Direct Pump Driver - For TUNZE 0-10V pumps the HYDROS WaveEngine connects directly to the pump head. This removes the clutter of the power brick and the control head for these pumps. -
On Sale 15%
25 Watt Jager TruTemp Submersible Aquarium Heater - Eheim
EHEIM$25.99$22.09With 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 15%
Apex LDK Leak Detection Kit - Neptune Systems
Neptune Systems$164.99$140.24Kit Includes 1x FMM Module, 2x Solid Surface Leak Detection Probe. Aquarium leaks are one of the most feared events for even the most seasoned aquarist – and for good reason. When it comes to leaks, it’s not just about whether you’ll... -
On Sale 15%
Apex 15' Aquabus Cable ( M/M ) - Neptune Systems
Neptune Systems$23.99$20.39Use this cable to connect Apex Systems and modules together. The Apex is a modular system that allows you to connect many modules together in either a “daisy-chain” or star topology method. Use this cable to connect together the Apex,... -
On Sale 15%
PMUP (T) V2 Practical Multipurpose Utility Pump w/Power Supply - Neptune Systems
Neptune Systems$62.99$53.54The PMUP is a multi-purpose pump that can be used for many different tasks on your aquarium. This listing includes a Power Supply. Automatic Top-Off (ATO) Carbon reactors GFO reactors Biopellet reactors Many other salt or freshwater...