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On Sale 15%
Sensorholder 4 - GHL
GHL$41.90$35.62Magnetic attachment, suitable up to 15 mm glass thickness, for four sensors, each with 12 mm shaft diameter, made of transparent acrylic glass, magnetic mount. -
On Sale 18%
SICCE Scuba 50 Watt Contactless App Adjustable Aquarium Fish Tank Heater Smartphone Controlled via NFC
Sicce$42.99$35.25Innovative 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... -
On Sale 18%
SICCE Scuba 300 Watt Aquarium Fish Tank Heater Preset at 77℉ For Up to 90 Gallons
Sicce$42.99$35.25SCUBA PRESET is a submersible electronic heater pre-set to 77°F / 25°C to ensure a perfect, consistent temperature for your aquarium with a 5 year warranty. They can be installed in all types of aquariums to simulate the natural... -
On Sale 18%
SICCE Scuba 250 Watt Aquarium Fish Tank Heater Preset at 77℉ For Up to 75 Gallons
Sicce$42.99$35.25SCUBA PRESET is a submersible electronic heater pre-set to 77°F / 25°C to ensure a perfect, consistent temperature for your aquarium with a 5 year warranty. They can be installed in all types of aquariums to simulate the natural... -
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 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,... -
Apex 30' Aquabus Cable ( M/M ) - Neptune Systems
Neptune Systems$34.99Use 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,... -
HTG Glass Heater with Protective Guard (100W) - Aquatop
Aquatop$34.99The HTG Series is our premier line of fully submersible glass heaters with thermostat control. Our HTG heaters offer a compact design for versatile placement and are extra durable due to the built-in glass element. The thermostat control makes it simple... -
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. -
Apex FMM Solenoid Valve (SV-1) - Neptune Systems
Neptune Systems$34.99This 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... -
Apex FMM Leak Detection Probe Solid Surface (LD-2) - Neptune Systems
Neptune Systems$34.99Plug 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... -
Apex FMM Leak Detection Probe Low Profile (LD-1) - Neptune Systems
Neptune Systems$34.99Plug this probe into your FMM and then place it underneath your carpet near your aquarium. Upon contact with water this probe will communicate to your Apex and alerts or other actions can then take place. Don’t have carpet, see the next... -
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... -
Lunar Simulator 2-String LED - Neptune Systems
Neptune Systems$34.99Moonlight 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. Many corals continue to grow under moonlight... -
Apex Temperature Probe - Neptune Systems
Neptune Systems$34.99Replace 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... -
OxyMax 200 Air Pump - Oase
Oase$33.99Consistent flow - Constant steady airflow. Easily adjust the air flow rate for the diffuser Quiet operation - Vibration resistant rubber feet and eye hook, and insulated housing prevent excess vibration and noise Customizable bubbling patterns - The... -
HeatUp 50 Watt Adjustable Heater - Oase
Oase$33.99Accurate temperature adjustments – Temperature scale can be adjusted between 66°F - 90°F. A secondary control knob allows for precise readjustment of the temperature within +/- 2°F Uniform temperature levels – Temperature... -
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 15%
Thermocontrol-E (75 Watt) Aquarium Heater - EHEIM
EHEIM$39.99$33.99Made 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... -
On Sale 15%
Thermocontrol-E (50 Watt) Aquarium Heater - EHEIM
EHEIM$39.99$33.99Made 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... -
On Sale 15%
Thermocontrol-E (25 Watt) Aquarium Heater - EHEIM
EHEIM$39.99$33.99Made 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... -
HTG Glass Heater with Protective Guard (50W) - Aquatop
Aquatop$33.99The HTG Series is our premier line of fully submersible glass heaters with thermostat control. Our HTG heaters offer a compact design for versatile placement and are extra durable due to the built-in glass element. The thermostat control makes it simple... -
On Sale 15%
Level Sensor - Floater - Version 2 - GHL
GHL$39.90$33.92Level sensor, Floater with Mini-DIN-plug and 3 m cable. For vertical mounting only (sensor fastener PL-LF-S8). Possible uses of level sensors provided by the ProfiLux Controller: Auto Top Off with one or two... -
Smart AC Switch Socket - AutoAqua
AutoAqua$33.00Smart AC Socket is a simple accessory from AutoAqua that allows the use to swap out the small DC pump on a Smart ATO, Smart ATO Micro or AWC to any AC pump under 9amps power draw. -
On Sale 18%
SICCE Scuba 200 Watt Aquarium Fish Tank Heater Preset at 77℉ For Up to 60 Gallons
Sicce$39.99$32.79SCUBA PRESET is a submersible electronic heater pre-set to 77°F / 25°C to ensure a perfect, consistent temperature for your aquarium with a 5 year warranty. They can be installed in all types of aquariums to simulate the natural... -
On Sale 18%
SICCE Scuba 150 Watt Aquarium Fish Tank Heater Preset at 77℉ For Up to 45 Gallons
Sicce$39.99$32.79SCUBA PRESET is a submersible electronic heater pre-set to 77°F / 25°C to ensure a perfect, consistent temperature for your aquarium with a 5 year warranty. They can be installed in all types of aquariums to simulate the natural... -
M 100 Watt Submersible Glass Heater (up to 30 Gallons) - Fluval
Fluval$31.99M 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... -
Glass Aquarium Heater 200W - Aquatop
Aquatop$31.99The GH Series offers simple and easy installation with the use of included suction cups. With the highly visible temperature setting, the GH Series is easy to set and adjust to the desired temperature with the use of the Temperature Adjustment Knob... -
On Sale 15%
HMA 300 Watt Titanium Heater w/Controller (80-100 Gallon) - Finnex
Finnex$36.99$31.44The 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... -
On Sale 15%
KH Director Reagent (1000 ml) - GHL
GHL$36.90$31.37Highly precise and stabilized reagent solution for KH Director. Available in 500 ml and 1000 ml bottles. -
On Sale 15%
HPC 300 Watt Digital Quartz Glass Heater w/Guard - Finnex
Finnex$35.99$30.59The HPC heater series is a glass heater that uses an advanced digital processor that monitors and controls the water temperature in your aquarium. The heating controller receives temperature data from the remote sensor in the aquarium. The remote... -
On Sale 15%
Dosing Container 1.5L - Seaside Aquatics
Bubble Magus - Seaside$35.99$30.59For 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. -
On Sale 18%
SICCE Scuba 100 Watt Aquarium Fish Tank Heater Preset at 77℉ For Up to 35 Gallons
Sicce$36.99$30.33SCUBA PRESET is a submersible electronic heater pre-set to 77°F / 25°C to ensure a perfect, consistent temperature for your aquarium with a 5 year warranty. They can be installed in all types of aquariums to simulate the natural... -
On Sale 18%
SICCE Scuba 50 Watt Aquarium Fish Tank Heater Preset at 77℉ For Up to 15 Gallons
Sicce$36.99$30.33SCUBA PRESET is a submersible electronic heater pre-set to 77°F / 25°C to ensure a perfect, consistent temperature for your aquarium with a 5 year warranty. They can be installed in all types of aquariums to simulate the natural... -
HYDROS Float Switch Sensor with Magnetic Mount
Hydros$29.99HYDROS Float Switch with Magnetic Mount 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 trigger actions such as Automatic... -
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HYDROS DC CO2 Solenoid Valve
Hydros$29.99The HYDROS DC CO2 Solenoid Valve is the ideal solution for controlling the CO2 flow on a calcium reactor or regulating CO2 injection into a freshwater planted tank. It’s a useful multi-purpose accessory you can use anywhere you need on/off... -
HYDROS Rope Leak Sensor Extension Cable
Hydros$29.99Extend to your HYDROS Rope Leak Sense Port Accessory The HYDROS Rope Leak Detection Sensor is a flexible line that detects the presence of moisture anywhere along the rope. Can sense when freshwater or saltwater is underneath it and use that information... -
V2 FMM Optical Level Sensor (OS-1) - Neptune Systems
Neptune Systems$29.99This 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... -
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...