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On Sale 15%
On Sale 15%REEF SHOT - Reef Elements (24 Shots, 16 oz) - ASF
ASF$25.50$21.68Reef Elements Reef Shot is a biological stimulant designed to promote growth and health of your reef aquarium. It contains essential trace elements in special compounds easily absorbed by marine... -
Amyno - Energy Boost for Corals (250 mL) - NYOS
NYOS$23.99Nyos Amyno - An Energy Boost for Corals One Organic Solution for All Corals Growth, Color, and Polyp Extension Booster Makes Corals More Resistant No Refrigeration Required - Dosing Pump... -
On Sale 15%
On Sale 15%ChemiPure Freshwater Planted Green (5 oz) - Boyd
Boyd$11.46$9.74Chemi-pure Green is the ultimate all-in-one filtration media for freshwater planted aquariums. Conveniently packaged in an easy to use nylon bag, Chemi-pure Green is formulated to offer superior... -
Apex Module Mounting Bracket - Neptune Systems
Neptune Systems$12.99The Apex Module Mounting Bracket from Neptune Systems ensures secure and organized placement of your Apex modules. This sturdy and compact bracket offers easy installation, keeping your system tidy... -
Purit - Complete Chemical Filtration (250 ml) - Brightwell
Brightwell Aquatics$20.01Next-Generation Chemical Filtration Media for use in all Marine and Freshwater Aquaria Overview Next-generation combination of enhanced activated carbon (offering superior chemical filtration... -
Purit - Complete Chemical Filtration (1 L - 33.8 oz) - Brightwell
Brightwell Aquatics$58.38Next-Generation Chemical Filtration Media for use in all Marine and Freshwater Aquaria Overview Next-generation combination of enhanced activated carbon (offering superior chemical filtration... -
Purit - Complete Chemical Filtration (500 ml) - Brightwell
Brightwell Aquatics$35.40Next-Generation Chemical Filtration Media for use in all Marine and Freshwater Aquaria Overview Next-generation combination of enhanced activated carbon (offering superior chemical filtration... -
REEF SPEC Carbon (500ml) - Red Sea
Red Sea$19.99Red Sea REEF-SPEC™ Carbon is a premium, highly activated carbon specifically engineered for marine and reef aquariums to ensure the highest standard of water clarity and purity. It is the ultimate... -
REEF SPEC Carbon (1000ml) - Red Sea
Red Sea$29.99Red Sea REEF-SPEC™ Carbon is a premium, highly activated carbon specifically engineered for marine and reef aquariums to ensure the highest standard of water clarity and purity. It is the ultimate... -
REEF SPEC Carbon (2000ml) - Red Sea
Red Sea$49.99Red Sea REEF-SPEC™ Carbon is a premium, highly activated carbon specifically engineered for marine and reef aquariums to ensure the highest standard of water clarity and purity. It is the ultimate... -
MicroBacter 7 (250 ML - 8 oz) Complete Bioculture for Marine & Freshwater - Brightwell
Brightwell Aquatics$13.13Complete Bioculture for Establishing Biological Filtration & Rapidly Improving Water Quality Overview Complex system of non-pathogenic aerobic and anaerobic microbes, as well as natural... -
MicroBacter 7 (2L - 67 oz) Complete Bioculture for Marine & Freshwater - Brightwell
Brightwell Aquatics$65.52Complete Bioculture for Establishing Biological Filtration & Rapidly Improving Water Quality Overview Complex system of non-pathogenic aerobic and anaerobic microbes, as well as natural... -
MicroBacter 7 (1L - 33 oz) Complete Bioculture for Marine & Freshwater - Brightwell
Brightwell Aquatics$39.71Complete Bioculture for Establishing Biological Filtration & Rapidly Improving Water Quality Overview Complex system of non-pathogenic aerobic and anaerobic microbes, as well as natural... -
MicroBacter 7 (20L - 5 Gallons) Complete Bioculture for Marine & Freshwater - Brightwell
Brightwell Aquatics$441.91Complete Bioculture for Establishing Biological Filtration & Rapidly Improving Water Quality Overview Complex system of non-pathogenic aerobic and anaerobic microbes, as well as natural... -
MicroBacter 7 (4L) Complete Bioculture for Marine & Freshwater - Brightwell
Brightwell Aquatics$102.45Complete Bioculture for Establishing Biological Filtration & Rapidly Improving Water Quality Overview Complex system of non-pathogenic aerobic and anaerobic microbes, as well as natural... -
NP-Bacto-Balance (500 ml) - Tropic Marin
Tropic Marin$26.99The nutrient ratios for corals and sponges in reef tanks are ideal when nitrates and phosphates are present in the lowest concentrations. Tropic Marin® NP-Bacto-Balance uses a mix of select organic... -
NP-Bacto-Balance (1000 ml) - Tropic Marin
Tropic Marin$41.99The nutrient ratios for corals and sponges in reef tanks are ideal when nitrates and phosphates are present in the lowest concentrations. Tropic Marin® NP-Bacto-Balance uses a mix of select organic... -
MicroBacter 7 (500ML - 16 oz) Complete Bioculture for Marine & Freshwater - Brightwell
Brightwell Aquatics$23.87Complete Bioculture for Establishing Biological Filtration & Rapidly Improving Water Quality Overview Complex system of non-pathogenic aerobic and anaerobic microbes, as well as natural... -
ME GAC Granular Activated Carbon (250 gm) - MECoral
MECoral$11.99Granular Activated Carbon (Gac) removes organic compounds, medications,pollutants and other chemicals from our aquarium. It also removes yellowing from the water making it crystal clear and giving... -
White Neptune Systems Custom Controller Board (V2) - Adaptive Reef
Adaptive Reef$379.99Elevate Your Aquarium's Tech Setup! Halo-Lit & Face-Lit 3D Logo for a High-Tech Look Full RGB Lighting Customization to Match Your Setup Ample Space for Equipment with Easy Access Designed for... -
Black Neptune Systems Custom Controller Board (V2) - Adaptive Reef
Adaptive Reef$379.99Elevate Your Aquarium's Tech Setup! Halo-Lit & Face-Lit 3D Logo for a High-Tech Look Full RGB Lighting Customization to Match Your Setup Ample Space for Equipment with Easy Access Designed for... -
Tidal 55 Matrix Carbon (140 ml) - Seachem
Seachem$9.13Improve your water quality with Seachem Tidal Matrix Carbon, which is a high efficiency spherical carbon that adsorbs heavy metals, bad odors, organic contaminants and other pollutants found in your... -
On Sale 15%
On Sale 15%Marine Snow (16 oz) - Two Little Fishies
Two Little Fishies$18.92$16.08MarineSnow Plankton Diet is a first of its kind product that reproduces the special biogenic suspended matter found in natural seawater, including “marine snow” aggregates. A food for filter-feeding... -
Black 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... -
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... -
On Sale 15%
On Sale 15%Chemi-Pure Blue (5.5 oz) BULK 6-Pack - Boyd
Boyd$59.48$50.56*** BULK 6 PK *** The benefits of using Chemipure Blue: Keeps pH stable and constant Reduces fish loss due to pH changes or polluted water Keeps aquariums crystal clear Provides positive... -
On Sale 15%
On Sale 15%ChemiClean - 2 oz Liquid - Remove Red Slime Algae (Cyanobacteria) - Boyd
Boyd$28.88$24.55Chemiclean cleans stains from red, black, blue-green, and methane (bubble) producing cyanobacteria in marine aquariums. It is completely safe for all fish, corals, invertebrates, and nitrifying... -
On Sale 15%
On Sale 15%ChemiClean - 6 Gram Powder - Remove Red Slime Algae (Cyanobacteria) - Boyd
Boyd$33.21$28.23Chemiclean cleans stains from red, black, blue-green, and methane (bubble) producing cyanobacteria in marine aquariums. It is completely safe for all fish, corals, invertebrates, and nitrifying... -
Reef Advantage Strontium (600 g) - Seachem
Seachem$10.33Strontium occurs in natural seawater at a concentration of about 8 to 10 mg/L. It is chemically very similar to calcium, and many organisms incorporate it in their skeletons along with calcium. Its... -
On Sale 15%
On Sale 15%Chemi-Pure Blue (11.0 oz) BULK 6-Pack - Boyd
Boyd$108.31$92.06*** BULK 6 PK *** The benefits of using Chemipure Blue: Keeps pH stable and constant Reduces fish loss due to pH changes or polluted water Keeps aquariums crystal clear Provides positive... -
On Sale 15%
On Sale 15%Marine Snow (8 oz) - Two Little Fishies
Two Little Fishies$12.88$10.95MarineSnow Plankton Diet is a first of its kind product that reproduces the special biogenic suspended matter found in natural seawater, including “marine snow” aggregates. A food for filter-feeding... -
Tidal 110 Matrix Carbon (275 ml) - Seachem
Seachem$14.66Improve your water quality with Seachem Tidal Matrix Carbon, which is a high efficiency spherical carbon that adsorbs heavy metals, bad odors, organic contaminants and other pollutants found in your... -
Reef Snow (250 mL) - Brightwell
Brightwell Aquatics$13.11Replicates Marine Snow for Corals & other Suspension-Feeding Marine Invertebrates Overview Complex of carbonate-bound, non-conservative major, minor, and trace elements inaragonite ratios, as... -
Reef Snow (500 mL) - Brightwell
Brightwell Aquatics$23.87Replicates Marine Snow for Corals & other Suspension-Feeding Marine Invertebrates Overview Complex of carbonate-bound, non-conservative major, minor, and trace elements inaragonite ratios, as... -
On Sale 15%
On Sale 15%ChemiClean - 2 Gram Powder - Remove Red Slime Algae (Cyanobacteria) - Boyd
Boyd$17.99$15.29Chemiclean cleans stains from red, black, blue-green, and methane (bubble) producing cyanobacteria in marine aquariums. It is completely safe for all fish, corals, invertebrates, and nitrifying... -
On Sale 15%
On Sale 15%HydroCarbon (1 Liter) - Two Little Fishies
Two Little Fishies$21.26$18.07Granular activated carbon designed specifically for water purification. Removes dissolved organic compounds that turn the water yellow. The extremely porous granules are the optimum size for use in... -
Tidal 75 Matrix Carbon (190 ml) - Seachem
Seachem$11.17Improve your water quality with Seachem Tidal Matrix Carbon, which is a high efficiency spherical carbon that adsorbs heavy metals, bad odors, organic contaminants and other pollutants found in your... -
BioCube Replacement Cartridge (2 Pack) - Coralife
Coralife$7.99BioCube® premium filter cartridges feature dual-action filtration. The dense woven floss acts as a prefilter to clear detritus and debris while the activated carbon removes odor, organics and... -
Apex MPR Magnetic Probe Rack - Neptune Systems
Neptune Systems$59.99Neptune Systems Magnetic Probe Rack Features – MPR: Organizes up to four probes. Designed specifically for the Apex Controller probes, a perfect fit for the thicker temp probes. Built with an... -
Tidal 35 Matrix Carbon (90 mL) - Seachem
Seachem$6.77MatrixCarbon outperforms other high grade carbons by at least two-fold when compared for total capacity to remove aquarium organic matter, rate of adsorption, and duration of use. MatrixCarbon 35...
Featured Products
AR836 Algae Reactor 2026 (Commercial) - Geo's Reef
Geo's Reef
$1,849.00
The NEW 2026 GEO AR836 Algae Reactor Commercial is designed to filter your aquarium water by removing phosphates, nitrates, Co2 and help raise your aquarium pH without the use of artificial media...
On Sale
15%
On Sale
15%
Red Acan Colony WYSIWYG - SAQ Coral Farm
Saltwater Coral Farm
$129.99
$110.49
Red Acan Colony WYSIWYG (Egg crate squares are 3/4")
If you are looking to buy vibrant color coral online to add to your reef tank, this is the best choice.
Red Acan Colony WYSIWYG is a fast...
7" NOSOK Filter Sock No Sock Replacement Silencer Cup - VCA
VCA Vivid Creative
$74.95
Stop Washing Dirty Filter Socks Forever
Nobody likes dealing with a laundry bucket full of dirty, foul-smelling 7-inch filter socks. Traditional filter cups choke flow quickly, and automated fleece...
Free ICP Test Kit - ATI
ATI
$19.99
FREE ON ALL ORDERS OVER $150 - Just add to Cart!
ATI Free Seawater ICP
Free ICP test for your seawater!
With the ATI ICP test service you can send ATI a seawater sample. ATI will test your...
Carbo Ex Filter (1.5 Liter) - Includes 1000g Granulate - ATI
ATI
$44.95
ATI® Carbo Ex Filter 1.5L
The ATI® Carbo Ex Filter 1.5Lis a ready-to-use, single-use filter cartridge containing 1,000 grams (approx. 1.25 liters) of ATI Carbo Ex Media and a fine dust filter.ATI®...
ION-B Ca/Mg+ Powder (2.245g - Makes 6,000 mL) - NYOS
NYOS
$44.99
The Nyos® ION-B method is a state-of-the-art dosing system for modern reef tanks. The system is simple and intuitive and can be individually adapted to the needs of your aquarium.
With just two...
ION-B Ca/Mg+ Powder (1,122g - Makes 3,000 mL) - NYOS
NYOS
$24.99
The Nyos® ION-B method is a state-of-the-art dosing system for modern reef tanks. The system is simple and intuitive and can be individually adapted to the needs of your aquarium.
With just two...
ION-B ALK/pH+ Powder (1,342g - Makes 6,000 mL) - NYOS
NYOS
$44.99
The Nyos® ION-B method is a state-of-the-art dosing system for modern reef tanks. The system is simple and intuitive and can be individually adapted to the needs of your aquarium.
With just two...
ION-B ALK/pH+ Powder (671g - Makes 3,000 mL) - NYOS
NYOS
$24.99
The Nyos® ION-B method is a state-of-the-art dosing system for modern reef tanks. The system is simple and intuitive and can be individually adapted to the needs of your aquarium.
With just two...
On Sale
10%
On Sale
10%
BioSpace Reactor 8-2 (8" x 21") Up to 500 Gallons - Bashsea
Bashsea
$599.99
$539.99
Elevate your aquarium’s ecosystem with the Bashsea BioSpace Reactor, the most effective biological filter currently available on the market. Engineered for the serious hobbyist, this reactor utilizes...
On Sale
10%
On Sale
10%
BioSpace Reactor 6-2 (6" x 21") Up to 225 Gallons - Bashsea
Bashsea
$399.99
$359.99
Elevate your aquarium’s ecosystem with the Bashsea BioSpace Reactor, the most effective biological filter currently available on the market. Engineered for the serious hobbyist, this reactor utilizes...
On Sale
10%
On Sale
10%
BioSpace Reactor 4-2 (4" x 21") Up to 110 Gallons - Bashsea
Bashsea
$219.99
$197.99
Elevate your aquarium’s ecosystem with the Bashsea BioSpace Reactor, the most effective biological filter currently available on the market. Engineered for the serious hobbyist, this reactor utilizes...
4" NOSOK Filter Sock No Sock Replacement Silencer Cup - VCA
VCA Vivid Creative
$44.95
Silence Your Sump and Simplify Your Maintenance Routine
Tired of the constant splashing and "gurgling" sounds coming from your filter socks? The VCA No-Sock 4-Inch Silencer is the ultimate solution...
Small-In-One Nomad Portable Traveling Aquarium (0.5 Gallon) - PNW Custom
PNW Custom
$349.99
0.5 Gallon Fully Sealed Traveling Aquarium
The world’s first fully sealed traveling aquarium.
The Small-In-One Nomad is a compact 0.5-gallon aquarium designed for safely transporting and displaying...
ReefControl Power 8 Deluxe w/Panel - Red Sea
Red Sea
$389.00
Get the best of both worlds with the ReefControl Power 8 Deluxe. This kit combines the 8-socket ReefBeat-controlled smart power center with the dedicated manual Control Panel 8, giving you the...
ReefControl Power 8 - Red Sea
Red Sea
$319.00
Welcome to the future of aquarium management. The ReefControl Power 8 is more than just a power strip; it's the brain of your operation, integrating seamlessly into the Red Sea ReefBeat ecosystem to...
ReefControl Pro Deluxe Kit Aquarium Controller - Red Sea
Red Sea
$699.00
The ReefControl Pro is the flagship smart controller for the Red Sea ReefBeat ecosystem. It acts as the central brain for all your monitoring and automation, allowing you to connect up to 7 ReefSense...
ReefControl Pro Aquarium Controller - Red Sea
Red Sea
$429.00
Take full command of your aquarium with the ReefControl Pro, the ultimate smart controller for the Red Sea ReefBeat ecosystem. Monitor up to 7 different ReefSense digital probes, automate your...
ReefControl Lite Aquarium Controller - Red Sea
Red Sea
$329.00
The ReefControl Lite is your essential smart controller for staying on top of your aquarium's most critical parameters. Monitor a wide range of ReefSense digital probes, receive real-time...
LRS Premium Green Nori (20 Half Sheets / 1 oz) (Porphyra yezoensis) Seaweed - LRS Foods
LRS
$9.99
Give Your Fish the Purest, Most Nutritious Seaweed on the Market!
20x 1/2 Sheets 7.5" x 4"
Introducing LRS Premium Green Seaweed, the superior choice for discerning aquarists who demand the best...