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6 Way Apex Switch Toggle Box - Adaptive Reef
Adaptive Reef$134.99Adaptive Reef in conjunction with Harry's Aquatics is pleased to bring a full line of products designed to work with and enhance the user experience with aquarium controllers. From switch control boxes and 0-10v based devices to warning lights and... -
HMA 500 Watt Titanium Heater w/Controller (100-120 Gallon) - Finnex
Finnex$44.95The Finnex Compact Electronic Titanium Heaters maintain water temperature within +/-2ºF of the set value providing a safe, healthy and stable temperature for your tank. The titanium tubes are corrosion resistant which makes these virtually... -
Cooling Fan 2 - Seaside Aquatics
Bubble Magus - Seaside$29.99No assembly requiredEasy installation (Clamp mounting bracket) Clamp mounting bracket can fit over aquarium walls up to 1/2" thickExtend Longevity of your lighting systemLow power consumptionAdjustable direction of air flowDimension: 8" x 6.5"x 1.6"Air... -
Neo-Therm Super Flat 75 Watt Heater 6.5" - 20 Gallon - Cobalt
Cobalt Aquatics$54.99The all new Cobalt Aquatics NEO-Therm fully submersible electronic heaters feature a modern, super flat design with an easy to set “one touch” control system. The advanced electronic thermostat is accurate to ±0.5ºF and includes a... -
HYDROS Launch Aquarium Controller
Hydros$549.99The HYDROS Launch is a multifaceted aquatic support system that combines various features into a single controller. It's an all-in-one solution that allows you to manage a wide range of aquarium functions easily. The HYDROS Launch... -
HYDROS Control X4 / XP8 PRO Pack
Hydros$659.99The HYDROS Control X4 PRO Pack includes two Control devices, the Control XP8 and Control X4. Combine these Controls to create a secure and impressive set-up for both saltwater and freshwater aquariums. Connect up to four sensor devices,... -
HYDROS Control X4 Aquarium (Starter Pack) - Coralvue
Hydros$449.99This starter kit includes all essential equipment needed to monitor and control a healthy aquarium including a Control 4 device, HYDROS App, temperature sensor, pH probe, and more. Set up is quick and easy, making this ideal for both... -
White 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... -
800 Watt Titanium Heater w/HC-820M 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... -
HYDROS Float Switch Sensor with Magnetic Mount
Hydros$29.99HYDROS Float Switch with Magnetic Mount Requires a HYDROS System to operate The HYDROS Magnetic Float Switch Sensor is a simple yet effective water level sensor that can be added to any HYDROS Control with an available Sense Port. This Float Sensor can... -
HYDROS Wifi Smart Plug - Coralvue
Hydros$23.99The HYDROS WiFi Smart Plug is a smart power outlet designed to work with the CoralVue HYDROS platform. The Smart Plug has a 1 x 100-250V AC outlet that is WiFi controllable using the free HYDROS app for Android and iOS/Apple mobile devices. You can... -
Red Sea ReefATO+ Upgrade Kit (for existing REEFER aquarium owners) ATO - Red Sea
Red Sea$185.00This Kit was designed for current Reefer Owners. It does not include the Magnetic ATO Sensor Mounting Bracket. The ReefATO+ is an exceptionally reliable auto top-off system that includes a highly accurate temperature monitor plus an... -
Aquarium Elements Digital Thermometer
Generic$5.99Generic Digital Thermometer with Probe, displays in both F and C. -
HYDROS Rope Leak Sensor Mounting Clips (10 pack)
Hydros$4.9910 pack of installation clips for the HYDROS Rope Leak Detector Easily and securely mount the flexible HYDROS Rope Leak Detection Sensor to most surfaces to better sense the presence of moisture anywhere along the rope. -
Hydros Pump Adapter Cable - 10V Quad WE Pump Adapter
Hydros$11.99Direct Pump Driver - For 10V Quad 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. -
Apex 30' Aquabus EXTENSION Cable ( M/F ) - Neptune Systems
Neptune Systems$34.99AQUABUS EXTENSION CABLE (M/F)-VARIOUS LENGTHS 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 extend a M/M Aquabus Cable. Remember,... -
Neo-Therm Super Flat 100 Watt Heater 10" - 29 Gallon - Cobalt
Cobalt Aquatics$59.99The all new Cobalt Aquatics NEO-Therm fully submersible electronic heaters feature a modern, super flat design with an easy to set “one touch” control system. The advanced electronic thermostat is accurate to ±0.5ºF and includes a... -
HYDROS 1" Flow Sensor - Coralvue
Hydros$61.99The HYDROS Flow Sensors are easy-to-install and measure the flow rate of water passing through it using the HYDROS app. Available in four sizes: 3/4in (40-800gph), 1in (50-1500gph), 1.5in (100-2500gph), 2in (9200-4050gph) The HYDROS Flow... -
A3 Apex Jr Aquarium Monitor (A3JRSYS) - Neptune Systems
Neptune Systems$299.95The A3 Jr is a Monitoring Only solution. You can not turn anything on or off with it straight out of the box. It becomes a full controller however as soon as you add a Powerbar. To make it a full controller just buy an Energy Bar... -
300 Watt Titanium Heater w/Digital Controller (40-80 Gallon) - Finnex
Finnex$95.99The 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... -
On Sale 20%
200 Watt Titanium Heater Element - Bulk Reef Supply
Bulk Reef Supply$69.99$55.99We 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... -
HYDROS Control X2 Entry Level Aquarium (Starter Pack) - Coralvue
Hydros$199.99The HYDROS Control 2 Starter Pack is the first affordable and easy-to-use aquarium controller kit in the aquatic industry. This starter pack includes all essential equipment needed to monitor and control a healthy aquarium including a... -
Alkatronic Alkalinity Controller (Batch 3) - Focustronic
Focustronic$989.99The Alkatronic is an all-in-one device that automatically monitors and maintains carbonate hardness values of your aquarium throughout the day. Can dramatically simplify and improve the way we manage KH parameters of a reef tank. Version 2 -... -
EXO Auto Top Off ATO - Reef Breeders
Reef Breeders$99.99The Reef Breeders Exo-ATO (External ATO) is one of the first ATO systems to contain all electronics outside of your aquarium. The controller and sensor mount to the outside of the glass, and a small magnetic ring is inserted at your desired water level... -
HYDROS WaveEngine v2 Pump Controller
Hydros$299.99The HYDROS WaveEngine v2 can control, monitor, and even supply power to a variety of different aquarium pumps. Now you can use pumps from different brands together using a single, integrated flow management system. Control and monitor pumps... -
Turbelle High Jet Replacement Osmolator Pump (3155 & 3152) 5000.021 - Tunze
Tunze$69.99The Turbelle® High Jet is a replacement dosing pump with safety extra low voltage 12 V DC for Osmolator® nano 3152 and Osmolator® 3155 and belongs to a new generation of centrifugal pumps with a high delivery height and small... -
HYDROS Leak Detection Sensor
Hydros$39.99Requires a HYDROS System to operate The HYDROS Leak Detection Sensor is a solid surface leak detector that can sense when freshwater or saltwater is underneath it and use that information to protect your aquarium, home, or office from total... -
Thermocontrol-E Dual 250 Watt (500 Watt) Aquarium Heater Kit - EHEIM Inkbird
EHEIM$159.99Kit Includes: 2x - EHEIM Thermostat E Heater - Made in Germany, 3 Year Warranty, Run Dry Protection & INK BIRD Dual Aquarium Thermostat Temp Controller for Redundancy! The obvious ideas are often the best. This also applies to the aquarium heating... -
DOS QD Quiet Drive Automatic Dosing System - Neptune System
Neptune Systems$349.99DŌS 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... -
Apex FMM Flow Sensor – 2″ (FS-200) - Neptune Systems
Neptune Systems$109.99Usually 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 British Standard Parallel Pipe... -
Magnet Probe Holder - Sea Side Aquatics
Bubble Magus - Seaside$25.49BUBBLE MAGUS SEASIDE AQUATICS MAGNETIC AQUARIUM QUAD (4) PROBE HOLDERHolder can fit up to four probes. It’s design to hold ph, ORP, salinity and/or temp probe.It has a magnet on the back and can be easily install on the sump wall, baffle divider or... -
Thermocontrol-E (75 Watt) Aquarium Heater - EHEIM
EHEIM$39.99Made in Germany, 3 Year Warranty, Run Dry Protection! The obvious ideas are often the best. This also applies to the aquarium heating element. It is simply hung in the water and heats it up. The principle is the same as it was decades ago. But in the... -
Neo-Therm Super Flat 50 Watt Heater 6.5" - 12 Gallon - Cobalt
Cobalt Aquatics$49.99The all new Cobalt Aquatics NEO-Therm fully submersible electronic heaters feature a modern, super flat design with an easy to set “one touch” control system. The advanced electronic thermostat is accurate to ±0.5ºF and includes a... -
Full Apex A3 PRO Trident DOS QD Package - Neptune Systems
Neptune Systems$1,869.85This Package Includes: 1x - Full Apex A3 PRO WIFI Controller System 1x - Apex TRIDENT - Automatic Water Tester w/2 Month Reagents & Calibration Fluids 1x - Neptune DOS QD Dosing Pump The New Apex System includes probes for Temperature, pH,... -
Thermocontrol-E (150 Watt) Aquarium Heater - EHEIM
EHEIM$49.99Made in Germany, 3 Year Warranty, Run Dry Protection! The obvious ideas are often the best. This also applies to the aquarium heating element. It is simply hung in the water and heats it up. The principle is the same as it was decades ago. But in the... -
Dosing Container 1.5L - Seaside Aquatics
Bubble Magus - Seaside$35.99For use with your top off or dosing pump1.5L - over all 12.40" tall by 3.80" diameter*** Caution ***Red Sea's NO3:PO4X chemical will crack and damage the containers, this product is not to be use with our containers. -
HYDROS WaveEngine LE Pump Controller - Coralvue
Hydros$199.99The WaveEngine LE allows you to easily add different brand pumps to your aquarium to obtain the ultimate flow. Specify the minimum and maximum speed each pump can run while working together in multiple flow presets such as sync, anti-sync, triangle wave,... -
Mastertronic Syringe & Needle Replacement Kit
Focustronic$28.75Replacement syringe & needle kit for the Mastertronic The set includes: 4 Plastic syringes (without needles) 6 Replacement needles -
KH Director Reagent (1000 ml) - GHL
GHL$36.90Highly precise and stabilized reagent solution for KH Director. Available in 500 ml and 1000 ml bottles. -
HYDROS Control X2 Entry Level Aquarium (Controller Only) - Coralvue
Hydros$159.99HYDROS Control 2 is a small, general-purpose aquarium controller capable of managing and controlling all the main functions of an aquarium. Set up is quick and easy, making this ideal for both beginner and advanced hobbyists. Monitor...