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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 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 12%
Slide-Out Control Panel 60 - Red Sea
Red Sea$139.00$122.32Designed with hobbyist needs in mind, Red Sea’s new slide-out Control Panel helps you to get the most out of your cabinet space by placing your dosers, controllers and other devices in one easily accessible place. The Control Panel is designed to... -
On Sale 20%
2k Gyre Flow Pump (Pump Only) - Icecap
Icecap$119.99$95.99The IceCap Gyre is back and better than ever! The all-new IceCap 2K Gyre Flow Pump is more powerful than its 1K predecessor. Gyre 2K Pump Features & Benefits Unique Gyre Flow: Virtually Eliminates Dead Spots Evenly Distributed Linear... -
On Sale 15%
Alkatronic Alkalinity Controller (Batch 3) - Focustronic
Focustronic$989.99$841.49The 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 -... -
On Sale 15%
Thermocontrol-E Dual 250 Watt (500 Watt) Aquarium Heater Kit - EHEIM Inkbird
EHEIM$159.99$135.99Kit 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... -
On Sale 20%
Helio 400 Watt PTC Smart Heater 2x200W (50-100 gallons) w/Controller - Innovative Marine
Innovative Marine$261.99$209.59Innovative 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 15%
Apex FMM Flow Sensor – 2″ (FS-200) - Neptune Systems
Neptune Systems$109.99$93.49Usually 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... -
On Sale 20%
Black Wall Mount - French Cleat Accessory - Adaptive Reef
Adaptive Reef$29.95$23.96This wall mount allows you to easily mount your aquarium controller board to a wall. Dimensions: 11"L x 1.125"W x 2.5"H -
On Sale 15%
Vortech Bracket Mount - BLACK - Vivid Creative
VCA Vivid Creative$14.99$12.74Mount your Vortech Pump Controller in style. -
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 15%
Salinity Probe Stability Kit (SPS) w/ Neptune PMUP V2 Pump - VCA
VCA Vivid Creative$67.90$57.72This 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 Slim Temperature Sensor Probe
Hydros$24.99Requires a HYDROS System to operate The HYDROS Slim Temperature Sensor Probe is only 1.6” long and 0.32” wide. It’s all-black solid waterproof IP68 construction is built for years of reliable service. It is a “set... -
On Sale 20%
Helio 100 Watt PTC Smart Heater (10-25 gallons) w/Controller - Innovative Marine
Innovative Marine$137.99$110.39Innovative 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%
Control X10 HYDROS Controller & Dosing System by Coralvue
Hydros$799.99$719.99The Control X10 offers a range of new advanced features, including multi-dosing heads and a salinity probe port (salinity probe sold separately), taking aquarium control to a whole new level. This highly versatile controller can... -
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... -
Trident NP Automatic Nitrate & Phosphate Water Tester (WITHOUT REAGENTS) - Neptune Systems
Neptune Systems$649.00Trident NP Nitrate & Phosphate Tester WITHOUT REAGENTS Reagents Store Neatly Inside the Trident Test Nitrate and Phosphate Automatically Once Per Day Compatible with A3 Apex (Apex Pro, Apex, Apex Jr.) or A2 Apex (Apex, Apex EL) Designed and... -
On Sale 30%
Dual 600 Watt (1200 Total) Titanium Heater System w/Inkbird 306T - Bulk Reef Supply
Bulk Reef Supply$229.99$160.991200 Watts in Total w/Inkbird Controller - We recommend lower wattage dual elements with a heater controller for extra redundancy. We have been on the hunt for a reliable heating element that solves a lot of the issues we currently have with other... -
On Sale 10%
HYDROS Control XS (Controller Only) - Coralvue
Hydros$159.99$143.99Please note: CONTROL XS ONLY - Nothing else is included. It doesn’t just make SENSE, it Controls too! About HYDROS Control XS Don’t let the compact size of the HYDROS Control XS fool you. It is perfectly capable of... -
HYDROS DC Solenoid Water Valve
Hydros$24.99Requires a HYDROS System to operate The HYDROS DC Solenoid Valve is a handy HYDROS Control 2 and Control 4 accessory that provides easy on/off RO or RO/DI water flow. You can connect the solenoid to your reverse osmosis filter... -
On Sale 15%
Mastertronic Syringe & Needle Replacement Kit
Focustronic$28.75$24.44Replacement 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. -
On Sale 15%
Thermocontrol-E (150 Watt) Aquarium Heater Kit - EHEIM Inkbird
EHEIM$99.99$84.99Kit Includes: 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... -
On Sale 30%
SICCE Scuba 300 Watt Contactless App Adjustable Aquarium Fish Tank Heater Smartphone Controlled via NFC
Sicce$59.99$41.99Innovative 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... -
On Sale 20%
HI981520 Hanna Marine Monitor pH, Marine Salinity, Temperature - Hanna Instruments
Hanna Instruments$299.99$239.99Monitoring the salinity, pH and temperature of the water is an important routine in the maintenance of a marine aquarium or marine aquaculture. The Hann HI981520 is an easy-to-use monitor that continuously monitors and displays salinity (via... -
On Sale 15%
Apex 30' Aquabus Cable ( M/M ) - Neptune Systems
Neptune Systems$34.99$29.74Use 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 20%
4" USB Smart Aquarium Fan (AF120) - Reef Octopus
Reef Octopus$51.96$41.57Excellent for light canopies, enclosed stands & cabinets to control heat and improve air circulation. The Reef Octopus USB Smart Fan will automatically increase or decrease the fan speed depending on the ambient temperature of the area surrounding... -
On Sale 30%
Dual 300 Watt (600 Total) Titanium Heater System w/Inkbird 306T - Bulk Reef Supply
Bulk Reef Supply$199.99$139.99600 Watts in Total w/Inkbird Controller - We recommend lower wattage dual elements with a heater controller for extra redundancy. We have been on the hunt for a reliable heating element that solves a lot of the issues we currently have with other... -
On Sale 15%
Aquawind Eco Chic Aquarium Fan (7028.500) - Tunze
Tunze$129.99$110.49The TUNZE® Aquawind eco chic 7028.500 is a very low-noise aquarium ventilator provided with 12 V safety low voltage and it is easy to install on the edge of aquariums with a glass thickness of 0 up to 22 mm (0” - 0.866”). The angle... -
On Sale 15%
Apex 15' Aquabus EXTENSION Cable ( M/F ) - Neptune Systems
Neptune Systems$23.99$20.39AQUABUS 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 20%
Helio Universal Heater Controller - Innovative Marine
Innovative Marine$79.99$63.99The HELIO smart controller bridges the gap between hobby grade and commercial controllers. Its processor goes hand in hand with the titanium sensor to keep your temperature readings stable. The controller comes fitted with a titanium remote temperature... -
On Sale 10%
HYDROS Control X3 Starter Pack
Hydros$299.99$269.99This starter kit includes all essential equipment needed to monitor and control a healthy aquarium including a Control X3 device, HYDROS App, temperature sensor, pH probe, and more. Set up is quick and easy, making this ideal for both beginner and... -
On Sale 15%
Neo-Therm Super Flat 25 Watt Heater 6.5" - 6 Gallon - Cobalt
Cobalt Aquatics$47.99$40.79The 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 Control X4 Aquarium (Controller Only) - Coralvue
Hydros$349.99$314.99HYDROS Control 4 is a powerful and robust aquarium controller capable of performing all essential functions needed to maintain a healthy aquarium without the need for extra expensive modules. Set up is quick and easy, making this ideal for... -
On Sale 15%
Thermocontrol-E (300 Watt) Aquarium Heater - EHEIM
EHEIM$59.99$50.99Made 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%
Cooling Fan 6 - Seaside Aquatics
Bubble Magus - Seaside$69.99$59.49No 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: 16" x 4.75"x 1... -
On Sale 20%
Helio 200 Watt PTC Smart Heater (25-50 gallons) w/Controller - Innovative Marine
Innovative Marine$159.99$127.99Innovative 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 15%
GRO Refugium Light w/ Pipe 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 15%
Thermocontrol-E (300 Watt) Aquarium Heater Kit - EHEIM Inkbird
EHEIM$109.99$93.49Kit Includes: 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... -
On Sale 15%
Neo-Therm Super Flat 200 Watt Heater 11" - 55 Gallon - Cobalt
Cobalt Aquatics$89.99$76.49The 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...