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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... -
125 Watt Jager TruTemp Submersible Aquarium Heater - Eheim
EHEIM$27.49With 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... -
15" Liquid Level Sensor (LLS-15) - Neptune Systems
Neptune Systems$64.99Probably 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... -
Apex DC24 Extension Cable - 10’ Male to Female - Neptune Systems
Neptune Systems$19.99The 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... -
GRO Refugium Light w/ Tank Mount - Neptune Systems
Neptune Systems$154.99Some 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)... -
HYDROS Water Level Sensor
Hydros$39.99The 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 plugs into any Sense Port on a HYDROS... -
300 Watt Titanium (Heater Element Only) w/Guard (40-80 Gallon) - Finnex
Finnex$55.99This 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 WiFi Fish Feeder - Coralvue
Hydros$34.99The HYDROS Automatic WiFi Fish Feeder is suitable for a variety of fish foods. A HYDROS Control is required to operate. The Fish Feeder is WiFi controllable using the free HYDROS app for Android and iOS/Apple mobile devices. You can now feed your fish... -
Apex PM2 - Salinity, Temperature, I/O Expansion Module - Neptune Systems
Neptune Systems$94.99Maintaining 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... -
Seneye+ 3 Month Slide Pack - Seneye
Seneye$39.99The 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. * the seneye+ has a recommended use by date of 12 months from date of manufacture, always store... -
Apex LDK Leak Detection Kit - Neptune Systems
Neptune Systems$164.99Kit 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... -
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... -
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. -
24VDC 36W Apex Power Supply for DOS & FMM (PS-36-US) - Neptune Systems
Neptune Systems$34.99This is a power supply for the Neptune Systems FMM, DOS, ATK and Trident. -
CoralVue HYDROS 6' Six Foot System Command Bus Cable (DATA+Power)
Hydros$9.99This 6 foott long HYDROS System Command Bus Cable allows HYDROS devices to communicate and even provide power to the Control 2 and Control 4. -
Apex 1LINK DIY DC24 to Bare Wire Cable - 10’ - Neptune Systems
Neptune Systems$19.99This 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... -
On Sale 21%
Duetto 2 Dual-Sensor ATO Aquarium Auto-Top-Off System - XP Aqua
XP Aqua$139.99$109.99With huge features jammed in a tiny package, the Duetto2 is the perfect ATO for your aquarium. XPAqua’s proprietary dual-optical sensor packs two precise level sensors in one incredibly small package. In addition to keeping your water level... -
Apex 1' Aquabus Cable ( M/M ) - Neptune Systems
Neptune Systems$11.99Use 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,... -
Apex FMK Flow Monitoring Kit - Neptune Systems
Neptune Systems$219.99The Fluid Monitoring Kit Includes: 1x - FMM Fluid Monitoring Module 1x - 1" Flow Sensor (FS-100) 2x - 1/2" Flow Sensor (FS-50) 2x - 1" Unions 4x - 1/2" Adapters FMK What's In The Box? The FMM (Fluid Monitoring Module) is a multi-purpose... -
800 Watt Titanium Heater w/Digital Controller (140-265 Gallon) - Finnex
Finnex$109.99The Titanium Finnex Heaters are corrosion-resistant, extending the life exponentially from saltwater damage. Virtually unbreakable, especially in comparison with the standard glass aquarium, these tube are built to last. The ultra heating... -
Apex COR 15 - Controllable Flow/Return Pump - Neptune Systems
Neptune Systems$339.99COR 15 - This submersible pump (that can also be run externally) now has its own external control box but still only requires you connect it up one place - 1Link. With less than 50w of power it is pushing 1500gph and more importantly at 6' of head... -
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PMUP (T) V2 Practical Multipurpose Utility Pump w/Power Supply - Neptune Systems
Neptune Systems$62.99The 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... -
Apex 15' Aquabus Cable ( M/M ) - Neptune Systems
Neptune Systems$23.99Use 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,... -
Neptune SKY LED Aquarium Light - Neptune Systems
Neptune Systems$869.99The SKY is a 200w, LED aquarium light, with patented diffuser technology, that smoothly blends all of its 104 LEDs to create a homogeneous field of coral-health-optimized light — no hotspots, no disco-ball effect, no need to augment it with other... -
Accessory Power Supply for DC24V Devices GRO, PMUP, SV1 (PS-DC24) - Neptune Systems
Neptune Systems$24.99110V power supply for our DC24 accessories like the PMUP, GRO Refugium LED and Solenoid Valve. You can use these when there are no available DC24 outputs on your EB832 or 1LINK but do have physical 110V outlets available. -
HYDROS ATO Auto Top-Off Kit (Requires a Hydros Controller to Use)
Hydros$79.99Why purchase a separate and expensive auto top-off system when HYDROS can do the job for you? The HYDROS Auto Top-Off Kit comes with everything you need to use your HYDROS device (like the Control 2 or Control 4) as an ATO system... -
Apex 3' Aquabus Cable ( M/M ) - Neptune Systems
Neptune Systems$14.99Use 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,... -
25 Watt Jager TruTemp Submersible Aquarium Heater - Eheim
EHEIM$24.49With 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... -
Black Standard Aquarium Controller Mounting Board - Adaptive Reef
Adaptive Reef$153.99The perfect solution to help organize and control the rat's nest of wires that most aquariums suffer from. This board was created to easily allow you to mount an apex, power strips, equipment controllers and much more so they are easily accessed an... -
Apex EB4 - Energy Bar 4 - Neptune Systems
Neptune Systems$125.99The Energy Bars available for our Apex systems are much more than a glorified power strip. In fact, this component of your aquarium controller equipment is far more important than most people realize – and not all systems are created equal! It... -
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(308-WIFI) Dual Digital Aquarium WIFI Heater Controller - Inkbird
Ink Bird$59.99308-WIFI: [WIFI & APP] WIFI smart controller supports both IOS & Android WIFI supports 2.4GHz Wi-Fi router, free APP “InkbirdSmart” which is able to monitor temperature at any time. [Dual Relay Output] Dual relay... -
Smart Skimmer Security - AutoAqua
AutoAqua$59.99Skimmer Security Made Simple Smart Skimmer Security by AutoAqua uses the uniquely-designed contactless optical sensor to prevent the protein skimmer from overflows. No moving parts to service or fail. Magnetically coupled sensor makes it super... -
3-in-1 ReefATO + Auto Top Off System ATO (SALTWATER ONLY) - Red Sea
Red Sea$215.00The 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... -
Lunar Simulator Module – LSM - Neptune Systems
Neptune Systems$74.99Moonlight in the ocean is believed to be as significant as the time spent in full daylight. Moonlight triggers various internal and external biological activities among the many thousands of reef organisms. Moonlight LEDs for your aquarium emulate that... -
DDR – DOS Dual Reservoir - Neptune Systems
Neptune Systems$215.99This attractive fluid containment system stores your dosing fluids in style and even tells you when it’s time to refill! Each side stores two liters (2L) of fluid Connects directly to your DŌS Optical sensors inform your APEX when... -
Alkatronic 4L Concentrated Reagent
Focustronic$110.00A concentrated reagent specifically for the Alkatronic Alkalinity Controller. For every 1 part reagent, mix 4 parts RO/DI water. Every 1000mL of concentrate will produce 5000mL Total of solution. Store locked up Keep away from children. Not for human... -
Apex FMM Flow Sensor – 1/2″ (FS-50) w/Unions - Neptune Systems
Neptune Systems$34.99Usually used with aquarium accessories like reactors, carbon/GFO filters, etc., 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... -
Apex 6' Aquabus Cable ( M/M ) - Neptune Systems
Neptune Systems$16.99Use 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,...