Featured Products
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Reefer Peninsula 350 G3+ White All In One Aquarium - Red Sea
Red Sea$3,499.00The Ultimate Open-Format Canvas for Extraordinary Marine Aquascapes The Red Sea REEFER G3 Series is engineered for reefkeepers who demand uncompromised performance, whisper-quiet operation, and... -
Reefer 425 G3+ Black All In One Aquarium - Red Sea
Red Sea$3,649.00The Ultimate Open-Format Canvas for Extraordinary Marine Aquascapes The Red Sea REEFER G3 Series is engineered for reefkeepers who demand uncompromised performance, whisper-quiet operation, and... -
Reefer 300 G3+ Black All In One Aquarium - Red Sea
Red Sea$2,699.00The Ultimate Open-Format Canvas for Extraordinary Marine Aquascapes The Red Sea REEFER G3 Series is engineered for reefkeepers who demand uncompromised performance, whisper-quiet operation, and... -
AR836 Algae Reactor 2026 (Commercial) - Geo's Reef
Geo's Reef$1,849.00The 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... -
7" NOSOK Filter Sock No Sock Replacement Silencer Cup - VCA
VCA Vivid Creative$74.95Stop 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$19.99FREE 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$44.95ATI® 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$44.99The 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$24.99The 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$44.99The 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$24.99The 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$599.99Elevate 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$399.99Elevate 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$219.99Elevate 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$44.95Silence 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$349.990.5 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$389.00Get 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$319.00Welcome 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$699.00The 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$429.00Take 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$329.00The 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$9.99Give 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... -
A3 Apex System (A3APEXSYS) - Neptune Systems
Neptune Systems$659.99Key New Features in our A3 Series: The A3 Apex will include a new Magnetic Optical Sensor that is designed to better prevent water incursion and includes our classic Solid Surface Leak Detector...
What's New?
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Replacement UV-C Lamp (13 Watt) - Sicce
Sicce$34.99Replacement bulb for Sicce UV-C Clarifier - 13W. -
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Nine Tails Torch Colony WYSIWYG - SAQ Coral Farm
Saltwater Coral Farm$549.99Nine Tails Torch 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. Nine Tails Torch Colony... -
C'thun Goniopora Colony WYSIWYG - SAQ Coral Farm
Saltwater Coral Farm$239.99C'thun Goniopora 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. C'thun Goniopora Colony... -
Teal And Purple Goniopora Colony WYSIWYG - SAQ Coral Farm
Saltwater Coral Farm$199.99Teal And Purple Goniopora 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. Teal And Purple... -
ULTRA Red Goniopora Colony WYSIWYG - SAQ Coral Farm
Saltwater Coral Farm$349.99ULTRA Red Goniopora 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. ULTRA Red Goniopora Colony... -
Neon Green Goniopora Colony WYSIWYG - SAQ Coral Farm
Saltwater Coral Farm$189.99Neon Green Goniopora 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. Neon Green Goniopora Colony... -
Splatter Bubble Coral Colony WYSIWYG - SAQ Coral Farm
Saltwater Coral Farm$169.99Splatter Bubble Coral 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. Splatter Bubble Coral... -
Subzero Asian Acan Colony WYSIWYG - SAQ Coral Farm
Saltwater Coral Farm$299.99Subzero Asian 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. Subzero Asian Acan Colony... -
Kryptonite Asian Acan Colony WYSIWYG - SAQ Coral Farm
Saltwater Coral Farm$249.99Kryptonite Asian 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. Kryptonite Asian Acan... -
Zoanthid Asian Acan Combo Colony WYSIWYG - SAQ Coral Farm
Saltwater Coral Farm$239.99Zoanthid Asian Acan Combo 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. Zoanthid Asian Acan... -
Pink Asian Acan Colony WYSIWYG - SAQ Coral Farm
Saltwater Coral Farm$179.99Pink Asian 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. Pink Asian Acan Colony WYSIWYG is... -
Sherbet Acanthophyllia WYSIWYG - SAQ Coral Farm
Saltwater Coral Farm$349.99Sherbet Acanthophyllia 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. Sherbet Acanthophyllia WYSIWYG is... -
Desert Rage Acanthophyllia WYSIWYG - SAQ Coral Farm
Saltwater Coral Farm$499.99Desert Rage Acanthophyllia 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. Desert Rage Acanthophyllia... -
On Sale 15%
On Sale 15%(OPEN BOX) PRS Purity Reef Salt Box (11 kg / 24.25 lbs) - Tropic Marin Fauna Marin
Tropic Marin$117.99$99.99DAMAGED BOX - SALT UNTOUCHEDTropic Marin® Purity Reef Salt is an ultra-pure, two-component salt mix engineered specifically for controlled detoxification, resetting trace element imbalances, and... -
On Sale 10%
On Sale 10%(OPEN BOX) 12" Blade Freshwater Smart Strip LED Light - AquaIllumination
AquaIllumination$153.99$137.99UNUSED CUSTOMER RETURN The Blade Freshwater brings the elegance of AI lighting to tropical fish and plants. High output in a sleek form factor combines with easy-to-use control and programming. The... -
On Sale 41%
On Sale 41%(USED) ORCA 6105.502 BLACK "Saltwater Exclusive" Oscillating Aquarium Wave Pump (Orca MK2 & 6105 Pump) - Tunze
Tunze$679.99$401.99USED - TESTED - WORKS The Turbelle stream 6105 ORCA is the ultimate flow solution for larger reef aquariums. This professional-grade bundle combines the raw power and extreme efficien -
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Reefer MAX Peninsula S 950 G3+ White All In One Aquarium - Red Sea
Red Sea$12,599.00The Ultimate All-In-One Reefing Ecosystem Powered by ReefBeat The Red Sea REEFER MAX G3 Series is a fully equipped, complete Plug & Play reefing platform. Building upon the third-generation REEFER...
Best-Selling Products
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$$$ Money Saver Aquarium Dry Live Rock (by the lb) - SaltwaterAquarium
SaltwaterAquarium$3.25"By the Pound" means you are choosing the weight of your rock. Ex: Qty 5 is 5 Pounds of Rock, NOT 5 Rocks. Selling individual rocks is impossible due to the fact th -
Marco Rocks Reef Saver Premium Rock (by the lb) - Marco Rock
MarcoRocks$3.79"By the Pound" means you are choosing the weight of your rock. Ex: Qty 5 is 5 Pounds of Rock, NOT 5 Rocks. Selling individual rocks is impossible due to the fact that every ro -
HI755-26 HI772-26 Alkalinity Checker Reagent (25 Tests) - Hanna Instruments
Hanna Instruments$18.99This reagent works with both the 755 & 772 Hanna checker. It may come with the tag 755-26 or 772-26, both reagents work with both checkers. Extreme Accuracy. Easy to Test in 4 Steps - Zero the... -
FritzPRO R.P.M. Salt Mix Box (55 lbs - Makes 200 Gallons) - Fritz Aquatics
Fritz Aquatics$84.99Fritz ProAquatics Reef Pro Mix (RPM) is manufactured using only the highest quality raw materials. Formulated by researchers and marine scientists, RPM contains all of the necessary major and minor... -
MarcoRocks Shelf Premium Dry Rock (by the lb) - Marco Rock
MarcoRocks$6.89"By the Pound" means you are choosing the weight of your rock. Ex: Qty 5 is 5 Pounds of Rock, NOT 5 Rocks. Selling individual rocks is impossible due to the fact th -
HI782-25 Nitrate High Range Reagents (25 tests) - Hanna Instruments
Hanna Instruments$26.99HI782-25 (25 tests) The HI782-25 are the replacement reagents for the HI782 Nitrate High Range Checker. These high quality reagents are manufactured in our state-of-the-art facility and are clearly... -
ReefMat 500 Replacement Fleece (92') Roll - Red Sea
Red Sea$20.00Efficient, high-flow, skimmer friendly non-woven polyester fleece-mat rolls. Installation Instructions for EVERY Red Sea Model - https://www.redseafish... -
Airline Tubing (OZONE SAFE) By the Foot - Python
Python$0.24Python airline tubing is made from a non toxic, FDA approved, and ozone safe material. It's pale blue in color and is easy to conceal, making it virtually invisible in your aquarium. Python airline... -
ReefMat 1200 Replacement Fleece (115') Roll - Red Sea
Red Sea$32.00Efficient, high-flow, skimmer friendly non-woven polyester fleece-mat rolls. Installation Instructions for EVERY Red Sea Model - https://www.redseafish... -
HI774-25 Ultra Low Range Phosphate Checker Reagents - Hanna Instruments
Hanna Instruments$18.99Reagents for the HI774. Our HI774 Ultra Low Range Phosphate Checker will be essentially the same specifications as the HI736 Ultra Low Range Phosphorus Checker however it will not require a... -
Emerald Crab (Mithraculus sculptus) - Cleanup Crew
Clean Up Crews$14.99Tired of battling persistent bubble algae and unsightly hair algae? The Emerald Crab (Mithraculus sculptus) is your diligent, all-natural solution. Hailing from the vibrant reefs of the Caribbean,... -
(Germany) Pro Reef Salt Bucket (200 Gallon) - Tropic Marin
Tropic Marin$132.99Tropic Marin Pro-Reef Sea Salt – 200 Gallon Bucket (Germany) At a Glance The Gold Standard for Modern Reef Keeping. Tropic Marin Pro-Reef is the premium, pharmaceutical-grade salt mix engineered... -
HI713-25 Phosphate Low Range Checker Reagent (25 Tests) - Hanna Instruments
Hanna Instruments$18.99Extreme Accuracy. Easy to Test in 4 Steps - Zero the Checker, Add a regent to your water sample, Insert the Vile in the Checker, Read the Numbered Results. BOOM EASY. ZAIR. Zero, Add, Insert, Read... -
On Sale 15%
On Sale 15%Dragon Stone Mixed Sizes (by the lb) - Dragonstone Freshwater Rock
Lifegard$2.49$2.12Increase the beauty of your aquarium landscape with these unique style stones and rocks to look like miniature rock formations. Customize your reef structure with safe, all-natural materials... -
1/4" Mur-lok Polyethylene BLUE RO Tubing (Choose Your Length)
SaltwaterAquarium$2.99 - $99.99All Tubing is Sold by The Foot. If you would like 10 Feet of Tubing, purchase a quantity of 10. Need 20 foot of tubing, enter 20 for the quantity. You can edit the quantity inside your shopping... -
Apex Trident Reagent Kit (6 Month Supply) - Neptune Systems
Neptune Systems$109.99Trident Reagent Kit 6 Month Supply - With six month kits, the cost of running the Trident is less than $17 per month - that’s averages out to about 7 cents a test! Neptune Systems recommends keeping... -
SaltwaterAquarium.com Tank Parameter Reference Card
All Misc Brands$0.00FREE WITH ANY ORDER. JUST ADD TO YOUR CART WITH MERCHANDISE AND IT WILL BE FREE. A Business Card sized reference card for the most common aquarium parameters. -
Tigger Pods Live Copepods (6 oz) - Reef Nutrition
Reef Nutrition$29.50Because Tigger-Pods (Tigriopus californicus copepods) swim upwards with a stimulating, jerky motion, they are attractive to a wide range of fish like Mandarin dragonets, Seahorses and Pipefish. They... -
1/4" Mur-lok Polyethylene ORANGE RO Tubing (Choose Your Length)
SaltwaterAquarium$2.99 - $99.99All Tubing is Sold by The Foot. If you would like 10 Feet of Tubing, purchase a quantity of 10. Need 20 foot of tubing, enter 20 for the quantity. You can edit the quantity inside your shopping... -
Large Bucket Coral Pro Sea Salt Mix (Makes 175 Gallons) - Red Sea
Red Sea$97.99Red Sea’s Coral Pro Salt contains biologically balanced, elevated levels of the foundation elements (Calcium, Magnesium, Carbonates) necessary for sustainable, accelerated coral growth. Coral Pro... -
On Sale 15%
On Sale 15%Real Reef Rock Large 8-16" (by the pound) - Real Reef
Real Reef$6.99$5.94"By the Pound" means you are choosing the weight of your rock. Ex: Qty 5 is 5 Pounds of Rock, NOT 5 Rocks. Selling individual rocks is impossible due to the fact th -
HI736-25 Phosphorus Ultra Low Range Marine Reagent (25 Tests) - Hanna Instruments
Hanna Instruments$18.99The HI736-25 are the replacement reagents for the HI736 Phosphorus Ultra Low Range Checker HC. These high quality reagents are manufactured in our state-of-the-art facility and are clearly marked... -
Coral Pro Salt Sack (55 lbs Makes 200 Gallons) - Red Sea
Red Sea$97.99Red Sea’s Coral Pro Salt contains biologically balanced, elevated levels of the foundation elements (Calcium, Magnesium, Carbonates) necessary for sustainable, accelerated coral growth. Coral Pro... -
On Sale 15%
On Sale 15%Real Reef Rock (by the pound) - Mixed Sizes - Real Reef
Real Reef$6.99$5.94"By the Pound" means you are choosing the weight of your rock. Ex: Qty 5 is 5 Pounds of Rock, NOT 5 Rocks. Selling individual rocks is impossible due to the fact th