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Prism ATO Auto Top Off - Reef Breeders
Reef Breeders$79.99The Reef Breeders Prism-ATO is designed to work with aquariums of all sizes, from pico desktops and All-in-One aquariums with limited space, to large reef tanks with full sumps. The Prism ATO has 3 sensors and registers your water level in a... -
On Sale 15%
Aquarium Elements Digital Thermometer
Generic$5.99$5.09Generic Digital Thermometer with Probe, displays in both F and C. -
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... -
On Sale 15%
Salinity Probe Stability Kit (SPS) without Pump - VCA
VCA Vivid Creative$27.95$23.76This kit was created to be used in conjunction with Neptune Systems salinity/conductivity probe. It allows the probe to stay clean and fixes a well know issue with the salinity probe. Microbubbles no more. Kit Includes: Salinity... -
HYDROS Kraken Force Port Power Cable (4 Pin WE/WELE/X10) - HYDROS
Hydros$14.99This HDYROS Force Port Power Cable is used to connect the Kraken to power a WaveEngine LE, WaveEngine, XD, or Control X10. This 6ft cable has two 4-pin GX12-4 fittings. One end attaches to any of the 8 Force Ports on the Kraken and the other end to the... -
On Sale 15%
A3 Apex System (A3APEXSYS) - Neptune Systems
Neptune Systems$629.99$535.49Key New Features in our A3 Series: The A3 Apex will include a new Magnetic Optical Sensor that is designed to better prevent water incursion and includes our classic Solid Surface Leak Detector (LD-2). The most successful aquariums are those... -
On Sale 15%
HMX 500S Titanium Heater w/Digital Touchpad & Guard (100-120 Gallon) - Finnex
Finnex$55.99$47.59Not your standard Aquarium heater. The Finnex Digital touch Control HMX series sports a sleek modernized black control face that is easily controlled via it's precision touch pad. Corrosion-r3esistant, fast heater titanium tube is engulfed in... -
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... -
On Sale 15%
Turbelle High Jet Replacement Osmolator Pump (3155 & 3152) 5000.021 - Tunze
Tunze$69.99$59.49The 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... -
On Sale 10%
HYDROS Control X4 Aquarium (Starter Pack) - Coralvue
Hydros$449.99$404.99This 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... -
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... -
On Sale 15%
Neo-Therm Super Flat 75 Watt Heater 6.5" - 20 Gallon - Cobalt
Cobalt Aquatics$54.99$46.74The 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 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... -
On Sale 20%
6 Way Apex Switch Toggle Box - Adaptive Reef
Adaptive Reef$134.99$107.99Adaptive 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... -
On Sale 15%
Neo-Therm Super Flat 150 Watt Heater 11" - 40 Gallon - Cobalt
Cobalt Aquatics$69.99$59.49The 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 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. -
On Sale 15%
Cooling Fan 2 - Seaside Aquatics
Bubble Magus - Seaside$29.99$25.49No 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... -
HYDROS 3/4" Flow Sensor - Coralvue
Hydros$58.99The 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... -
On Sale 15%
A3 Apex Jr Aquarium Monitor (A3JRSYS) - Neptune Systems
Neptune Systems$299.95$254.96The 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... -
Trident NP Automatic Nitrate & Phosphate Water Tester w/2 Month Reagent Kit - Neptune Systems
Neptune Systems$709.98Do to the nature of the chemicals used in the reagents, all orders that include Trident NP reagents must ship ground only. Trident NP Nitrate & Phosphate Tester w/ 2 Month Reagent Kit Reagents Store Neatly Inside the Trident Test... -
On Sale 12%
Red Sea ReefATO+ Upgrade Kit (for existing REEFER aquarium owners) ATO - Red Sea
Red Sea$185.00$162.80This 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... -
On Sale 20%
White Standard Aquarium Controller Mounting Board - Adaptive Reef
Adaptive Reef$153.99$123.19The 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... -
On Sale 15%
800 Watt Titanium Heater w/HC-820M Digital Controller (140-265 Gallon) - Finnex
Finnex$109.99$93.49The 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 10%
HYDROS WaveEngine v2 Pump Controller
Hydros$299.99$269.99The 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... -
On Sale 20%
4K Gyre Flow Pump (Pump Only) - Icecap
Icecap$159.99$127.99The IceCap Gyre is back and better than ever! The all-new IceCap 4K Gyre Flow Pump is more powerful than its 3K predecessor. Gyre 4K Pump Features & Benefits Unique Gyre Flow: Virtually Eliminates Dead Spots Evenly Distributed Linear... -
On Sale 15%
Apex 30' Aquabus EXTENSION Cable ( M/F ) - Neptune Systems
Neptune Systems$34.99$29.74AQUABUS 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,... -
On Sale 10%
HYDROS Control X2 Entry Level Aquarium (Starter Pack) - Coralvue
Hydros$199.99$179.99The 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... -
On Sale 30%
SICCE Scuba 400 Watt Contactless App Adjustable Aquarium Fish Tank Heater Smartphone Controlled via NFC
Sicce$69.99$48.99Innovative heater range equipped with PATENTED "contactless" temperature electronic control. The easiest and most immediate way to set the temperature of the heater, just hold the Sicce ContrAll App to the... -
HYDROS Sole Continuous-Duty Liquid Dosing Pump
Hydros$299.99The HYDROS Sole is an aquarium controller hybrid with a heavy-duty liquid dosing pump designed for continuous dosing applications like controlling effluent in a calcium reactor, kalkwasser additions, dosing liquid foods, feeding a... -
On Sale 15%
300 Watt Titanium Heater w/Digital Controller (40-80 Gallon) - Finnex
Finnex$95.99$81.59The 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 15%
Full Apex A3 PRO Trident DOS QD Package - Neptune Systems
Neptune Systems$1,970.97$1,675.32This 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,... -
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... -
On Sale 20%
Helio 700 Watt PTC Smart Heater 2x350W (100-170 gallons) w/Controller - Innovative Marine
Innovative Marine$318.99$255.19Innovative Marine is proud to introduce HELIO, our new line of heaters utilizing ultra-safe PTC (positive temperature coefficient) technology. Up until now, the way we chose to heat our aquariums have been electric immersion heaters that use resistance... -
On Sale 10%
HYDROS WaveEngine LE Pump Controller - Coralvue
Hydros$199.99$179.99The 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,... -
On Sale 15%
Thermocontrol-E (150 Watt) Aquarium Heater - EHEIM
EHEIM$49.99$42.49Made 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... -
On Sale 15%
Magnet Probe Holder - Sea Side Aquatics
Bubble Magus - Seaside$25.49$21.67BUBBLE 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... -
On Sale 15%
Neo-Therm Super Flat 100 Watt Heater 10" - 29 Gallon - Cobalt
Cobalt Aquatics$59.99$50.99The 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... -
On Sale 30%
100 Watt Titanium Heater Element - Bulk Reef Supply
Bulk Reef Supply$64.99$45.49We 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%
Neo-Therm Super Flat 50 Watt Heater 6.5" - 12 Gallon - Cobalt
Cobalt Aquatics$49.99$42.49The 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... -
On Sale 10%
HYDROS Minnow 2 Head Dosing Controller
Hydros$249.99$224.99The HYDROS Minnow features two independent micro-liquid dosing pumps for precise dosing of your preferred liquid supplements, including two-part and trace elements. This highly versatile controller can effortlessly handle essential...