Aqua UV Replacement Lamp for UV Sterilizer (Classic 25 Watt)

Aqua UV Replacement Lamp for UV Sterilizer (Classic 57 Watt)

The unit is 2 inch, we offer FREE 1 inch, 3/4 or 1/2 reducers if you want to reduce the plumbing size. Simply make a note in the comments at check-...

Aqua UV Replacement Lamp for UV Sterilizer (Classic 40 Watt)

Aqua UV Replacement Lamp for UV Sterilizer (Advantage 15 Watt)

Mounting Bracket with Grip Hold for Classic Series Sterilizer Units. 1 per pack

Aqua UV 15W Advantage 2000 HOB UV Sterilizer. The Advantage Series is ideal for small ponds, aquariums, and water features. Advantage UV`s are slim...

  Advantage Barb x Barb 15 Watt Plumbs In Line Fresh Water Sterilizer 200-500 gals  /  Flowrate - 700 gph for 30,000 µw/cm2 Salt Water St...

Aqua UV Quartz Sleeve with Rubber Seal (Classic 57 Watt)

The unit is 2 inch, we offer FREE 1 inch, 3/4 or 1/2 reducers if you want to reduce the plumbing size. Simply make a note in the comments at check-...

Aqua UV Quartz Sleeve with Rubber Seal (Classic 40 Watt)

Aqua UV Replacement Lamp for UV Sterilizer (Classic 15 Watt)

The unit is 2 inch, we offer FREE 1 inch, 3/4 or 1/2 reducers if you want to reduce the plumbing size. Simply make a note in the comments at check-...

Aqua UV 8W Advantage 2000 HOB UV Sterilizers The Advantage Series is ideal for small ponds, aquariums, and water features. Advantage UV`s are slim,...

Aqua UV Quartz Sleeve with Rubber Seal (Classic 25 Watt)

Aqua Ultraviolet 2" Union Half w/ O-ring (2" female slip)

  Fits Standard Classic Units

Aqua UV Replacement Lamp for UV Sterilizer (Advantage 8 Watt)

Advantage Barb x Barb 8 Watt Plumbs In Line Fresh Water Sterilizer 5-200 gals  /  Flowrate - 642 gph for 30,000 µw/cm2  Salt Water Steril...

Aqua Ultraviolet Wiper nut w/Seal

Aqua UV wiper blade w/ plastic clips

AquaUV 57W Classic Transformer

AquaUV 25W Classic Transformer

Aqua UV Quartz Sleeve with Rubber Seal (Advantage 15 Watt)

Kessil AP9X! Redesigned optics provide an even light distribution that blankets your aquarium with up to 48” of coverage.   Kessil X-Ser...

The A500X is a powerful 185W high intensity LED designed specifically for experienced SPS coral growers. This fixture integrates the latest Dense M...

Introducing the NEW A360 XE The Kessil A360XE is an upgraded, redesigned successor of the popular A360X LED aquarium light, not only improving the ...

Introducing the NEW A360 XE The Kessil A360XE is an upgraded, redesigned successor of the popular A360X LED aquarium light, not only improving the ...

Kessil X-Series lights now interface with the Neptune APEX Fusion app through either the WiFi Dongle (A360X and A500X) or directly through an AP...

The H160 Tuna Flora grow light is a groundbreaking full spectrum LED grow light featuring spectrum and intensity control through Kessil logic,...

Superior Illumination   Shimmer   Beautiful, unrivaled shimmer replicates the look of natural sunlight on the ocean floor.  ...

The New A160WE - More power than the 150! - Controllable like its big brother, the 360! - Wide angle lens for up-to 24” of coverage! ...

Full Spectrum with UV and Infrared - Great for refugiums   The H80 Tuna Flora features four efficient spectrums - BLUE, GROW, BLOOM, RED - in one s...

Design Innovative heat dissipation allows for fanless, low maintenance, shell-shaped design. Advanced optics create smooth color mixing ...

Design  Innovative heat dissipation allows for fan-less, low maintenance, shell-shaped design. Advanced optics create smooth color mixing and a be...

Kessil AP700 Power Supply

Kessil X-Series lights now interface with the Neptune APEX Fusion app through either the WiFi Dongle (A360X and A500X) or directly through an AP9X....

The AP9X Mounting Arm is designed for use with the new Kessil AP9X Controllable LED Light. The Mounting Arm allows the fixture to be mounted with j...

Spectral Controller X   Intuitive and Affordable Light Control   Equipped with flawless touch control and a vivid color ...

Kessil's Mounting Arm is a premium mounting option that allows you to install Kessil Aquarium Lights directly to your tank. The Mounting Arm is adj...

Kessil Mounting Arm Extension Mount Kit

The AP9 Mounting Arm Extended Slide Bar extends the reach of the AP9 mounting arm by up to 8” (18" total distance from the back of the tank to t...

Kessil A360WE Replacement Power Supply w/ Cord

The Reflector-35 further strengthens the light beam of the best-in-class A360 and A500 for further penetration and contrast. With an easy to att...

Kessil A/H80 Replacement Power Supply

  Kessil A160WE Replacement Power Supply w/ Cord for the Kessil A160WE Tuna Blue LED

Kessil AP700 Hanging Kit

  What is the difference between regular and HC German GFO? The main difference is that HC is roughly 1.5 times more effective at removing P...

10″ 1uM Sediment Filter Graduated sediment removal Excellent for use in areas with extremely high sediment levels ...

The American Marine Selcon is an aquarium food booster that features : Highly unsaturated OMEGA 3 fatty acids Ma...

NOTE: Images are for display purposes only, this is NOT a kit of 3

NOTE: Images are for display purposes only, this is NOT a kit of 3

OVERVIEW: Color-Indicating SilicaBuster™ Multi-Layer DI Cartridge - Standard 10in Twist-Top Shell, 2.8in dia x 10in L FEATURES: Spectra...

 3/4" ID Flexible Ball-Socket Joint Tubing (Loc-Line)—6" in length

BULK  GAC - ESV's Granular Activated Carbon (GAC) based on bituminous coal provides the best combination of pore size, large particle size, hi...

3/4" Ball-Socket MPT Connector (Loc-Line) 

Sold by the foot

Double stitched nylon filter medium bags. For use with any type of granular filter media such as: phosphate, ammonia, nitrate or silica removers or...

3/4" x 3" Ball-Socket Flare Nozzle (Loc-Line) 

specially created for fantastic results in reef and marine aquariums. The new proprietary blend of premium, low-dust pelletized carbon and high cap...

Cyanobacteria is usually encouraged with the presence of nitrate and ammonia, which are both fixed forms of nitrogen. Chemi-clean helps clean and r...

Same great product w/ bag but without the packaging! Buy in bulk and save! Chemi-pure can be used with all water types as a chemical absorption fil...

Sold by the foot

Cynobacteria is usually encouraged with the presence of nitrate and ammonia, which are both fixed forms of nitrogen. Chemi-clean helps clean and re...

The InkBird WiFi Aquarium Heater Controller Features   Dual Protection: The aquarium temperature controller is equipped with 2 rela...

Features   Push-fit technology Quick disconnection without the need for tools High chemical resistance EPDM seals 1/4 turn from open to closed Not ...

Tube Holder for Dosing / RO Tubing. Version may vary, see picture's

4 x 8" Poly Filter Pad The POLY-FILTER is for filtering and purifying both fresh and salt water aquariums. It is a formulation of a special patente...

 1/2" ID Flexible Ball-Socket Joint Tubing (Loc-Line)—6" in length

Pinpoint pH 4.00 Calibration Fluid Single-use plastic envelope packet that contains enough fluid for a complete calibration (about 30 ml)...

Sold by the foot

The new Milwaukee MA887 Seawater Digital Refractometer encompasses 3 different types of user selected scales for the measurement of seawater provid...

Fits any tank that measures less than 17.7 x 17.7 inches Aquarium not included!

 BRAND NEW UNIT - Client sent it back (too large) but shipped it in the retail box. The box has shipping stickers all over it but the unit is new. ...

 BRAND NEW UNIT - Client sent it back (needed a 1200 not a 500) but shipped it in the retail box. The box has shipping stickers all over it but th...

BRAND NEW BUT OPEN. The client bought it thinking it was a stand alone pump. INTELLIGENT, QUIET, ENERGY EFFICIENT Your return pump is by far the...

The new Prime Freshwater offers more power and a dedicated moonlight channel, perfect for your planted tank. Freshwater Spectrum The Prime Freshwat...

Introducing Jecod, the premium aquarium equipment brand crafted by Jebao, tailored specifically to meet the elevated standards of Canada and North ...

Introducing Jecod, the premium aquarium equipment brand crafted by Jebao, tailored specifically to meet the elevated standards of Canada and North ...

Introducing Jecod, the premium aquarium equipment brand crafted by Jebao, tailored specifically to meet the elevated standards of Canada and North ...

Introducing Jecod, the premium aquarium equipment brand crafted by Jebao, tailored specifically to meet the elevated standards of Canada and North ...

Introducing Jecod, the premium aquarium equipment brand crafted by Jebao, tailored specifically to meet the elevated standards of Canada and North ...

Introducing Jecod, the premium aquarium equipment brand crafted by Jebao, tailored specifically to meet the elevated standards of Canada and North ...

The DXP Series Circulation Pumps, available at Reef Supplies Canada, are perfect for use in aquariums with limited space. Thanks to their upright d...

The DXP Series Circulation Pumps, available at Reef Supplies Canada, are perfect for use in aquariums with limited space. Thanks to their upright d...

The DXP Series Circulation Pumps, available at Reef Supplies Canada, are perfect for use in aquariums with limited space. Thanks to their upright d...

The DXP Series Circulation Pumps, available at Reef Supplies Canada, are perfect for use in aquariums with limited space. Thanks to their upright d...

The DXP Series Circulation Pumps, available at Reef Supplies Canada, are perfect for use in aquariums with limited space. Thanks to their upright d...

Turn a spare MJ Pump Into a Detritus Vacuum   Take your ordinary MJ Utility pump and add this 3D-printed vacuum attachment for the ultimate cleanin...

RO Membrane Flush Valve Kit by Spectrapure Significantly enhances the life of RO membranes Reduces membrane cleaning requirements SpectraPure...

Red Sea Reef Foundation ABC+: Contains Calcium, Strontium, Barium, Bicarbonates, Magnesium, Potassium, Boron, Iodine, and Bromine formulated accord...

PVC slip reducer 3/4" to 1/2"

PVC slip reducer 1" to 1/2"

Eheim 16 inch Tongs

Liquid Polymer – Media for a growth of probiotic bacteria. After addition of -NP Pro, bacteria will grow rapidly and in that way will convert unwan...

Stainless steel surgical #10 scalpel blade, for use with the Boston Aqua Farms Soft Coral Scalpel.For best results always use a sharp blade when cu...

3/4" female threaded flex hose pump adapter. Perfect for Danner Mag-Drive pumps.

1/2" female threaded flex hose pump adapter. Perfect for Danner Mag-Drive pumps.

AquaMaxx Replacement Thumb Screw - M5 x 20mm    Used on the following AquaMaxx Skimmers and Reactors AquaMaxx BioMaxx Biopellet reactor lid AquaMax...

Spears Gate Valve - 3/4 inch Slip x Slip

Seachem Matrix Carbon – 1L MatrixCarbon™ is a truly unique activated carbon. It is formed as a spherical bead for optimum hydrodynamics, and will n...

Threaded overflow strainer

Adaptor that allows the air line from a typical protein skimmer to connect with a PhosBan reactor for making the reactor serve as a carbon dioxide ...

Reducer 1" male thread x 3/4" female thread

Direct the Light Only Where You Need It. Conceptualized by ReefDudes, Manufactured by Vivid Creative Aquatics   Shape the light emitted by your AI ...

Seachem Reef Kalkwasser - 500G/1.1lbs Product Description Reef Kalkwasser™is a pure calcium hydroxide with unsurpassed purity and solubi...

Smart ATO DC Refill Pump

Supplement contains concentrated heavy metals – manganese, vanadium, zinc, nickel, iron, chromium, cobalt & copper. Mixture of trace elements n...

PINPOINT® pH Controller is an inexpensive yet rugged controller, which includes the appropriate probe and calibration fluids. This device wi...

Reducer - Spigot 1" x Fipt 3/4"

All-In-One Smartphone Camera Lens Filter Kit Includes:   Orange Filter Lens 15000K, Yellow Filter Lens 20000K, Magnetic Lens Holder / Kickstand, 2...

Reducer - Spigot 1" x Fipt 1/2