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Bio-Calcium Supplement Powder (500 g - 18 oz) - Tropic Marin
Tropic Marin$14.99Biologically ideal calcium supplement for reef aquariums using the Balling method Calcium is one of the most important elements in seawater, as together with carbon dioxide it is required for the... -
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All-In-One (AIO) Box Kit (4th Gen) 20 Gallon Long - Fiji Cube
Fiji Cube$144.99The Fiji Cube All-in-One (AIO) Filter Box DIY Kit allows hobbyists to easily and affordably convert a standard 20 Gallon Long aquarium into a high-performance AIO system. This 4th Generation kit is... -
48 Gallon Shallow External Overflow Rimless Nano Tank w/ White Stand- Fiji Cube
Fiji Cube$1,749.99The Fiji Cube EXT Shallow Aquarium - Tank & Stand Only package provides the perfect foundation for aquarists who demand premium viewing quality and design flexibility. Ideal for creating stunning... -
Rod's Food Coral Blend (6 oz) - Frozen Specialty Food for Coral-Only Systems
Rod's Food$21.00Targeted Nutrition for Frag Tanks and Fish-Less Nano Reefs The Rod's Food Coral Blend is a specialized, nutrient-dense frozen formula designed for the advanced hobbyist managing systems without fish... -
Nano DC Protein Skimmer NSK-70 with DC Flow Controllable Pump (2nd Gen) - Fiji Cube
Fiji Cube$174.99Fiji Cube 2nd Gen NSK-70 is a powerhouse of filtration designed specifically for space-constrained nano and AIO (All-In-One) aquariums. Combining a compact footprint with the advanced control of a... -
Rod's Food Green Seaweed Sheets (30g) - Certified Raw Nutrient-Rich Grazing Food
Rod's Food$9.99Nourish your marine herbivores with Rod's Food Green Seaweed Sheets. This 30-gram package contains high-quality, certified raw green seaweed, not roasted, to preserve all essential nutrients. These... -
On Sale 14%
On Sale 14%(OPEN BOX) Nano DC Protein Skimmer NSK-70 with DC Flow Controllable Pump (2nd Gen) - Fiji Cube
Fiji Cube$174.99$149.99UNUSED CUSTOMER RETURN Fiji Cube 2nd Gen NSK-70 is a powerhouse of filtration designed specifically for space-constrained nano and AIO (All-In-One) aquariums. Combining a compact footprint with the... -
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... -
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... -
SpongExcel (60mL) - Brightwell
Brightwell Aquatics$16.07Supplement for Increasing Growth Rates of Sponges & Gastropods Overview Ionic silica solution for enhancing growth rates of sponges and gastropods. 1 drop per gallon of water increases ionic... -
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... -
Koralle-VM (500 mL) - Brightwell
Brightwell Aquatics$33.02Advanced Vitamin, Minor, & Trace Element Supllement for all Marine Fish & Reef Aquaria Overview Unique vitamin and minor and trace element complex for establishing and replacing substances... -
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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... -
Shallow Reef Pro 2 60 Gallon AIO Aquarium w/ BLACK APS Stand - Innovative Marine
Innovative Marine$2,061.00AQUARIUMS FOR THE SAVVY AQUARIST The NUVO Shallow Reef Series is the next advancement into the world of full-sized premium all-in-one aquariums. Based on our award winning NUVO Desktop and Mid-Size... -
Shallow Reef Pro 2 80 Gallon AIO Aquarium w/ WHITE APS Stand - Innovative Marine
Innovative Marine$2,390.00AQUARIUMS FOR THE SAVVY AQUARIST The NUVO Shallow Reef Series is the next advancement into the world of full-sized premium all-in-one aquariums. Based on our award winning NUVO Desktop and Mid-Size... -
Hybrid Pro Salt Mix Bucket (148 Gallon) - Aquaforest
Aquaforest$99.99Natural Seawater vs Manmade Salts.. Get the best of both worlds! Chemically pure, lab-made salt combined with natural sea salt flakes Proprietary blend of probiotic bacteria Natural nitrate and... -
LRS Chunky Predator Frenzy (7 oz Pack) - Superior Nutrition All-in-One Frozen Food for Marine Fish, Corals & Invertebrates
LRS$21.99LRS "Chunky" is the perfect food for hobbyists with large predatory fish such as triggers, puffers, and eels. This blend offers a convenient way to feed your fish fresh, diverse, and high-quality... -
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... -
Shrimp FlorinBacter7 (125mL) - Brightwell
Brightwell Aquatics$10.52Complete bioculture for all freshwater shrimp and freshwater fish & planted aquaria Overview Copper free and shrimp safe. Suspension of non-pathogenic aerobic and anaerobic microbes, as well as... -
Oyster Feast Egg & Tissue Mix (32 oz) - Reef Nutrition
Reef Nutrition$83.00A unique mix of both oyster eggs and oyster ovarian tissue—the richest nutritional parts of the oyster found in nature. Naturally size-appropriate and an excellent food for the smallest SPS... -
All For Reef (250 ml) - Tropic Marin
Tropic Marin$16.99ALL-FOR-REEF is an easy- to-use, highly concentrated solution for the supply of ALL essential minerals and trace elements in new or moderately stocked reef aquariums. Benefits: Complete mineral... -
Fiji-12 Advanced Reef Sump - 2nd Gen - Fiji Cube
Fiji Cube$334.99The Fiji Cube Fiji-12 Advanced Reef Sump (2nd Gen) is a premium filtration solution engineered for saltwater reef aquariums, combining elegant design with robust, high-functionality features. This... -
76 Gallon Shallow External Overflow Rimless Tank w/ Black Stand - Fiji Cube
Fiji Cube$2,449.99The Fiji Cube 108 Gallon Rimless EXT Glass Aquarium - Tank & Stand Only package is the foundational system for aquarists building a large-scale, custom filtration setup. This option provides the... -
Digital Thermometer 4.0 - Juwel
Juwel$54.99Keep a reliable and precise eye on your aquatic environment with the JUWEL Digital Thermometer 4.0. Combining proven measuring accuracy with a sleek, modern design, this indispensable tool offers... -
Granular Activated Clean Carbon (3.5 lbs, 1600 grams) - ESV
ESV$39.99Achieve crystal-clear water and a healthier aquatic environment with ESV Granular Activated Carbon (GAC). Recognized by professional reef keepers as one of the highest-quality chemical filtration... -
Granular Activated Clean Carbon 5 Gallon Bucket (20 lbs) - ESV
ESV$169.99Achieve crystal-clear water and a healthier aquatic environment with ESV Granular Activated Carbon (GAC). Recognized by professional reef keepers as one of the highest-quality chemical filtration... -
Expel-P Internal Parasite & Worm Treatment (20 Count) - Fritz
Fritz Aquatics$23.19Expel-P (Levamisole HCl), is an anthelmintic (anti-worm) and immunostimulant agent. Expel-P is safe to use in freshwater and saltwater aquaria and is effective against many internal parasites,... -
76 Gallon Shallow External Overflow Rimless Tank w/ White Stand - Fiji Cube
Fiji Cube$2,449.99The Fiji Cube 108 Gallon Rimless EXT Glass Aquarium - Tank & Stand Only package is the foundational system for aquarists building a large-scale, custom filtration setup. This option provides the... -
EasyFeed - Automatic Feeder - Juwel
Juwel$79.99JUWEL EasyFeed Automatic Feeder: Set-and-Forget Feeding Simplicity The JUWEL EasyFeed Automatic Feeder is the perfect hassle-free solution for ensuring your fish are fed reliably, whether you're at... -
4 Stage (100 GPD) Value RO/DI System - Aquatic Life
Aquatic Life$149.99The Classic RO systems make up to 100 GPD of economically filtered Reverse Osmosis water, removing harmful substances like heavy metal ions and total dissolved solids from tap water. Features: Manual -
Expel-P Internal Parasite & Worm Treatment (10 Count) - Fritz
Fritz Aquatics$13.99Expel-P (Levamisole HCl), is an anthelmintic (anti-worm) and immunostimulant agent. Expel-P is safe to use in freshwater and saltwater aquaria and is effective against many internal parasites,... -
All For Reef (1000 ml) - Tropic Marin
Tropic Marin$39.99ALL-FOR-REEF is an easy- to-use, highly concentrated solution for the supply of ALL essential minerals and trace elements in new or moderately stocked reef aquariums. Benefits: Complete mineral... -
All For Reef (500 ml) - Tropic Marin
Tropic Marin$23.99ALL-FOR-REEF is an easy- to-use, highly concentrated solution for the supply of ALL essential minerals and trace elements in new or moderately stocked reef aquariums. Benefits: Complete mineral... -
Oyster Feast Egg & Tissue Mix (6 oz) - Reef Nutrition
Reef Nutrition$24.00A unique mix of both oyster eggs and oyster ovarian tissue—the richest nutritional parts of the oyster found in nature. Naturally size-appropriate and an excellent food for the smallest SPS... -
Oyster Feast Egg & Tissue Mix (16 oz) - Reef Nutrition
Reef Nutrition$47.00A unique mix of both oyster eggs and oyster ovarian tissue—the richest nutritional parts of the oyster found in nature. Naturally size-appropriate and an excellent food for the smallest SPS... -
Bug Bites Betta Flakes (0.63 oz / 18 g) - Fluval
Fluval$5.99Bug Bites are formulated to address the natural, insect-based feeding habits of fish and include a balanced mix of premium proteins, vitamins and minerals for complete daily nutrition. As Bettas... -
Meridian to Dual Edge Bar Daisy Chain Cable - Reef Breeders
Reef Breeders$34.99Tired of seeing a jumble of wires behind your meticulously crafted reef tank? The Meridian to Dual Edge Bar Daisy Chain Cable is your simple, straightforward solution to powering your Edge Bar...
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...
Red Acan Colony WYSIWYG - SAQ Coral Farm
Saltwater Coral Farm
$129.99
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...
BioSpace Reactor 8-2 (8" x 21") Up to 500 Gallons - Bashsea
Bashsea
$599.99
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...
BioSpace Reactor 6-2 (6" x 21") Up to 225 Gallons - Bashsea
Bashsea
$399.99
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...
BioSpace Reactor 4-2 (4" x 21") Up to 110 Gallons - Bashsea
Bashsea
$219.99
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...