
Featured Products
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AquaIllumination$42.99Sleek & Adjustable Hanging Kit for Hydra Edge A simple and stylish way to suspend your Hydra Edge 44HD or 68HD LED light fixture above your aquarium. This kit includes everything needed for a...
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Hydra Edge 68HD Saltwater Aquarium Light - AquaIllumination
AquaIllumination$699.99The AI Hydra Edge represents significant improvements to the Hydra lighting platform now with 135 Watts, Controllable Shimmer, 100 Degree lens, articulating mounting options and more! ... -
Hydra Edge 44HD Saltwater Aquarium Light - AquaIllumination
AquaIllumination$399.99The AI Hydra Edge represents significant improvements to the Hydra lighting platform now with 95 Watts, Controllable Shimmer, 100 Degree lens, articulating mounting options and... -
Hydra Edge 68HD HMS Adapter Kit - AquaIllumination
AquaIllumination$39.99Use with the: Single Tank Mount, Multi Tank Mount, Multi Hanging Rail, Hybrid Kit Includes top and back adapter mounting hardware for Hydra Edge 68HD. Q: How do I mount the Hydra Edge... -
Hydra Edge 44HD HMS Adapter Kit - AquaIllumination
AquaIllumination$39.99Use with the: Single Tank Mount, Multi Tank Mount, Multi Hanging Rail, Hybrid Kit Includes top and back adapter mounting hardware for Hydra Edge 44HD. Q: How do I mount the Hydra Edge... -
Osmolator 3 Nano ATO Auto Top Off - Tunze
Tunze$129.99The TUNZE® Osmolator® 3 nano is a simple and safe device with just one sensor for maintaining a constant water level in aquarium systems up to approx. 250 liters (66 US gal.), can be placed... -
Real Ocean Direct Indo Red Cured Wild Live Rock (by the lb) Indonesian - Chicago
Saltwater Coral Farm$19.99We only SHIP Real INDO Live Rock with Fedex Priority Overnight Shipping. There is a 5 pound minimum on this item. Pricing includes Fedex Priority Overnight Shipping - This Rock is nice... -
Shark Protein Skimmer 300 (Up to 80 Gallons) - Sicce
Sicce$139.99Shark SKIMMER 150 and Shark SKIMMER 300 are modern internal skimmers with a very compact and innovative Shark design for direct integration into marine biotopes. They come from the latest development... -
Shark Protein Skimmer 150 (Up to 40 Gallons) - Sicce
Sicce$119.99Shark SKIMMER 150 and Shark SKIMMER 300 are modern internal skimmers with a very compact and innovative Shark design for direct integration into marine biotopes. They come from the latest development... -
MarcoRocks Maricultured Live Rock
MarcoRocks$110.00 - $389.00We ONLY Ship Maricultured Live Rock on Tuesdays for Wednesday delivery. That means if you order Wednesday - Monday, all orders will ship on the following Tuesday. Pricing includes... -
Osmolator 3 Automatic Water Top Off (ATO) 3154 - Tunze
Tunze$229.99Straightforward and safe water level controller for fresh and sea water with optical control sensor and independent thermal safety sensor. A constant water level keeps the salt concentration constant... -
(10) Pack Bumble Bee Snail (Engina mendicaria) - Cleanup Crew
Clean Up Crews$29.99Bumble Bee snails are very active scavengers, feeding on crabs and carrion as dead fish, etc. They are great at eating vermetid snails, polychaete worms, and left over food & waste... -
Duetto 2 Dual-Sensor ATO Aquarium Auto-Top-Off System - XP Aqua
XP Aqua$139.99With huge features jammed in a tiny package, the Duetto2 is the perfect ATO for your aquarium. XPAqua’s proprietary dual-optical sensor packs two precise level sensors in one incredibly small... -
50 Gallon Standard Reef Cleanup Crew
Clean Up Crews$119.99Our Reef Cleaner Packages are Wild Collected they let you naturally control algae, maintain crystal clear water, and keep your sand bed sifted. The number of cleaners provided in these packages... -
100 Gallon Standard Reef Cleanup Crew
Clean Up Crews$175.99Our Reef Cleaner Packages are Wild Collected they let you naturally control algae, maintain crystal clear water, and keep your sand bed sifted. The number of cleaners provided in these packages... -
Emerald Crab (Mithraculus sculptus) - Clean up Crew
Clean Up Crews$12.00Mithraculus sculptus is a small crab with a carapace longer than it is wide and large chelae (claws). The carapace is flat, shiny and green, finely sculpted, with whitish... -
Peppermint Shrimp - XL Wild Caught (Lysmata sp.) - Clean Up Crew
Clean Up Crews$19.99These peppermint shrimp are XL large size wild caught. Lysmata wurdemanni is a reef safe cleaning animal which consumes parasites and dead or diseased tissue from other... -
Sicce Ultra Zero Water Change Kit
Sicce$159.99Making water changes simple and easy. This kit assembles in seconds and allows you to easily move water from one place to another. The Sicce Zero pump pumps buckets, trashcans or any... -
Safety Stop - Rapid Fish Quarantine Dip (1 pouch) - BlueLife
Blue Life USA$5.64Safety Stop is a simple and effective way to help protect your Saltwater and Freshwater aquarium fish from serious unwanted disease outbreaks caused by external parasites, and bacterial and fungal... -
Marco Rocks Reef Saver Premium Rock (by the lb) - Marco Rock
MarcoRocks$3.49"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 -
Fritz PRO RPM Redline HIGH ALK Salt Mix RED Box (55 lbs) - Fritz Aquatics
Fritz Aquatics$82.24Same great benefits from RPM's original formula, PLUS Higher alkalinity for increased SPS growth in higher nutrient systems! Complete Professional Marine Salt Mix for Reef or Fish Only... -
$$$ Money Saver Aquarium Dry Live Rock (by the lb)
All Misc Brands$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 -
Real Reef Rock Large 8-16" (by the pound) - Real Reef
Real Reef$6.99"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 -
Syncra SDC 9.0 WIFI Return Pump (800 - 2500 gph) - Sicce
Sicce$499.99SYNCRA SDC are the latest generation of SYNCRA pumps and are equipped with integrated intelligence systems to meet the needs of advanced recirculating applications. With programming freedom,...
What's New?
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ReefRun G2 12000 - DC Aquarium Return Pump - Red Sea
Red Sea$349.00Red Sea’s Next-Gen Return Pump Integrated Flow Controller for Stand-Alone Operation Virtually Silent Performance 180° Rotating Outlet for Flexible Installation Inlet Flow Guide to Prevent Air... -
ReefRun G2 8000 - DC Aquarium Return Pump - Red Sea
Red Sea$299.00Red Sea’s Next-Gen Return Pump Integrated Flow Controller for Stand-Alone Operation Virtually Silent Performance 180° Rotating Outlet for Flexible Installation Inlet Flow Guide to Prevent Air... -
ReefRun G2 6000 - DC Aquarium Return Pump - Red Sea
Red Sea$239.00Red Sea’s Next-Gen Return Pump Integrated Flow Controller for Stand-Alone Operation Virtually Silent Performance 180° Rotating Outlet for Flexible Installation Inlet Flow Guide to Prevent Air... -
ReefRun G2 4000 - DC Aquarium Return Pump - Red Sea
Red Sea$179.00Red Sea’s Next-Gen Return Pump Integrated Flow Controller for Stand-Alone Operation Virtually Silent Performance 180° Rotating Outlet for Flexible Installation Inlet Flow Guide to Prevent Air... -
On Sale 39%On Sale 39%
(USED) ReefCan 40L 10 Gallon Auto Top Off Container (R35632) - Red Sea
Red Sea$99.00$59.99USED AND CLEANEDThe Red Sea ReefCan is an Auto Top Off reservoir designed to either fit in the cabinet alongside a sump or failing that, at the side of the cabinet on the outside. It will come in two... -
ReefLED G2 170 LED Light Fixture - Red Sea
Red Sea$669.00Unleash Vibrant Coral Colors with Reef-SPEC Lighting Stronger Light Output for Vibrant Coral Growth Richer, Reef-Safe Spectrum with Enhanced Violet & UV Adjustable Color Temperature (10,000K... -
ReefLED G2 115 LED Light Fixture - Red Sea
Red Sea$429.00Unleash Vibrant Coral Colors with Reef-SPEC Lighting Stronger Light Output for Vibrant Coral Growth Richer, Reef-Safe Spectrum with Enhanced Violet & UV Adjustable Color Temperature (10,000K... -
ReefLED G2 60 LED Light Fixture - Red Sea
Red Sea$269.00Unleash Vibrant Coral Colors with Reef-SPEC Lighting Stronger Light Output for Vibrant Coral Growth Richer, Reef-Safe Spectrum with Enhanced Violet & UV Adjustable Color Temperature (10,000K... -
ReefLED G2 170 Visor - Red Sea
Red Sea$15.00Light Up Your Tank, Not Your Eyes The ReefLED G2 Visor is an optional clip-on accessory designed to reduce glare and minimize light spillage, keeping more light focused inside your aquarium. Easy to... -
ReefLED G2 115 Visor - Red Sea
Red Sea$15.00Light Up Your Tank, Not Your Eyes The ReefLED G2 Visor is an optional clip-on accessory designed to reduce glare and minimize light spillage, keeping more light focused inside your aquarium. Easy to... -
ReefLED G2 60 Visor - Red Sea
Red Sea$15.00Light Up Your Tank, Not Your Eyes The ReefLED G2 Visor is an optional clip-on accessory designed to reduce glare and minimize light spillage, keeping more light focused inside your aquarium. Easy to... -
ModMag Giga Aquarium Magnet - AvidAqua
AvidAqua$29.95WHATS IN THE BOX: ModMag Giga Magnet Set Logo Cover Plate Glass-gripper silicone cover BURSTS: -
ModMag Mega Aquarium Magnet - AvidAqua
AvidAqua$24.95WHATS IN THE BOX: ModMag Mega Magnet Set Logo Cover Plate Glass-gripper silicone cover BURSTS: -
MTO Magnetic Probe Organizer - AvidAqua
AvidAqua$44.95WHATS IN THE BOX: MTO with ModMag 2 – Guide tubes Glass-gripper silicone cover BURSTS: -
MPO Quattro Magnetic Probe Organizer - AvidAqua
AvidAqua$44.95WHATS IN THE BOX: MPO-4 with ModMag 2 – Guide tubes 1 – Temperature probe adapter Glass-gripper silicone cover < -
MPO Duo Magnetic Probe Organizer - AvidAqua
AvidAqua$39.95WHATS IN THE BOX: MPO-2 with ModMag 2 – Guide tubes 1 – Temperature probe adapter Glass-gripper silicone cover -
Wyze Cam Aquarium Mount Accessory - AvidAqua
AvidAqua$14.95WHATS IN THE BOX: Wyze Camera Mount (ModMag mounting magnet sold separately) Close-focus lens BURSTS: Monitor your tank wherever you are! -
Wyze Cam Aquarium Mount Kit - AvidAqua
AvidAqua$39.95WHATS IN THE BOX: Wyze Camera Mount with ModMag Close-focus lens Glass-gripper silicone cover BURSTS: -
Manta Ray 26-Frag Rack Accessory - AvidAqua
AvidAqua$19.95WHATS IN THE BOX: Manta Ray Frag Rack 30-degree angle adapter NextLevel adapter BURSTS: H -
Sawfish 3-Frag Rack Accessory - AvidAqua
AvidAqua$13.95WHATS IN THE BOX: Sawfish Frag Rack 30-degree angle adapter NextLevel adapter BURSTS: Holds 3 frags
Best-Selling Products
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$$$ Money Saver Aquarium Dry Live Rock (by the lb)
All Misc Brands$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$3.49"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$17.99This 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 -... -
FritzPRO R.P.M. Salt Mix Box (55 lbs - Makes 200 Gallons) - Fritz Aquatics
Fritz Aquatics$82.24Fritz 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$6.99"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$24.99HI782-25 (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... -
HI774-25 Ultra Low Range Phosphate Checker Reagents - Hanna Instruments
Hanna Instruments$17.99Reagents 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... -
ReefMat 500 Replacement Fleece (92') Roll - Red Sea
Red Sea$19.99Efficient, 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. ... -
1/4" Mur-lok Polyethylene BLUE RO Tubing (by the Foot)
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... -
ReefMat 1200 Replacement Fleece (115') Roll - Red Sea
Red Sea$31.99Efficient, high-flow, skimmer friendly non-woven polyester fleece-mat rolls. Installation Instructions for EVERY Red Sea Model - https://www.redseafish... -
HI713-25 Phosphate Low Range Checker Reagent (25 Tests) - Hanna Instruments
Hanna Instruments$17.99Extreme 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... -
(Germany) Pro Reef Salt Bucket (200 Gallon) - Tropic Marin
Tropic Marin$120.33The pharmaceutical grade sea salt especially for modern reef aquaria. Tropic Marin® PRO-REEF Sea Salt has been designed to meet the special requirements of reef aquariums with optimized... -
1/4" Mur-lok Polyethylene ORANGE RO Tubing (by the Foot)
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... -
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. -
Emerald Crab (Mithraculus sculptus) - Clean up Crew
Clean Up Crews$12.00Mithraculus sculptus is a small crab with a carapace longer than it is wide and large chelae (claws). The carapace is flat, shiny and green, finely sculpted, with whitish... -
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... -
Dragon Stone Mixed Sizes (by the lb) - Dragonstone Freshwater Rock
Lifegard$1.99Increase 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... -
Large Bucket Coral Pro Sea Salt Mix (Makes 175 Gallons) - Red Sea
Red Sea$94.99Red 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... -
Tigger Pods Live Copepods (6 oz) - Reef Nutrition
Reef Nutrition$28.00Because Tigger-Pods (Tigriopus californicus copepods) swim upwards with a stimulating, jerky motion, they are attractive to a wide range of fish... -
1/8" ID Clear PVC Vinyl Dosing Tubing (by the Foot)
Generic$0.35Dosing tubing perfect for replacing old worn out tubing for dosing aquarium additives. Inside Diameter: 1/8" Hardness: 67 durometer PVC tubing is manufactured to exact specifications... -
HI736-25 Phosphorus Ultra Low Range Marine Reagent (25 Tests) - Hanna Instruments
Hanna Instruments$17.99The 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... -
1/4" Mur-lok Polyethylene BLACK RO Tubing (by the Foot)
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... -
Real Reef Rock (by the pound) - Mixed Sizes - Real Reef
Real Reef$6.99"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