
Featured Products
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AquaIllumination$299.99Brilliance. Edge to Edge. Proven Spectrum. State-of-the-Art Spread and Shimmer. The All-New Hydra Edge Freshwater LED Proven spectrum. State-of-the-art shimmer and spread. The AI
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Hydra Edge HMS Hanging Kit - AquaIllumination
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... -
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
What's New?
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On Sale 12%On Sale 12%
(OPEN BOX) Whale 120 Aquarium Canister Filter 10-30 Gal (140 gph) - Sicce
Sicce$129.99$114.99UNUSED CUSTOMER RETURN Whale External Aquarium FilterSicce has been manufacturing industry-leading pumps for years. Recently, we challenged our engineers to develop a canister filter that... -
On Sale 13%On Sale 13%
(DAMAGED BOX) Stingray Magnetic Frag Rack - AvidAqua
AvidAqua$45.95$39.99DAMAGED PACKAGE - UNIT UNTOUCHED The Stingray is a 12-frag magnetic frag rack with key differences from all others on the market. No other manufacturer has put this much thought and design into a... -
On Sale 10%On Sale 10%
(DAMAGED BOX) Protein Skimmer Stand SST1 (Footprint: 11" x 7.5") - Reef Octopus
Reef Octopus$69.99$62.99BOX SQUISHED - STAND UNTOUCHED Adjustable Solid Platform to raise protein skimmers in 3" / 3.8" / 4.5" increments. Platform Sizes: SST 1: 11"x7.5" | SST 2: 13"x9" | SST 3: 17.7"x11" The Reef... -
Black WYZE Cam v4 2.5K HD WiFi Smart Home Aquarium Security Camera
SaltwaterAquarium$39.99WYZE Cam v4, 2.5K HD WiFi Smart Home Security Camera, Indoor/Outdoor, Pet/Baby Monitor, Motion Activated Spotlight/Siren, Color Night Vision, 2-Way Audio, Works with Alexa & Google, Wired,... -
MicroBacter Purple M (1000 ML - 32 oz) - Brightwell
Brightwell Aquatics$35.99Live Beneficial Bacteria – Introduces a diverse range of shelf stable photosynthetic bacteria that work alongside MicroBacter 7 and MicroBacter Clean for enhanced waste breakdown and microbial... -
Eden X 175 FLED - Waterbox
Waterbox$4,199.00• Dimensions (LxWxH): 1,836 x 643 x 650mm (72.3" × 25.3" × 25.6")• Height with Cabinet: 1,577mm/62.1" -
Eden X 145 FLED - Waterbox
Waterbox$3,499.00• Dimensions (LxWxH): 1,536 x 643 x 650mm (60.5" × 25.3" × 25.6")• Height with Cabinet: 1,577mm/62.1"• D -
Eden X 105 FLED - Waterbox
Waterbox$2,799.00• Dimensions (LxWxH): 1223 x 643 x 600mm (48.1" × 25.3" × 23.6")• Height with Cabinet: 1,527mm/60.1"• Display Volume: 386 L/102 gals -
Eden X 80 PENINSULA FLED - Waterbox
Waterbox$2,199.00• Dimensions (LxWxH): 1200 x 500 x 580mm (47.2" x 19.7" x 22.8")• Height with Cabinet: 1480mm / 58.3"• Display Volume: 302 L / 80 gals -
On Sale 11%On Sale 11%
(OPEN BOX) Replacement Part - SDC 7.0 / ADV 7.0 Impeller - Sicce
Sicce$89.99$79.99UNUSED CUSTOMER RETURN Factory Replacement Impeller for SDC 7.0 / ADV 7.0 -
On Sale 14%On Sale 14%
(DAMAGED BOX) K+ Elements Pro Coral Trace 1 (1000 ml) - Tropic Marin
Tropic Marin$34.94$29.99BOTTLE SQUISHED - UNDAMAGED LIQUID Tropic Marin® K+ Elements contains a selection of essential cationic trace elements for the promotion of growth and the natural coloring of the corals... -
Elimi-NP (50 ml) - Tropic Marin
Tropic Marin$8.19Liquid Carbon Dosing Concentrate for Nutrient Reduction in Reef Aquariums Efficient reduction of nitrate and phosphate Increased skimmer efficiency Bacterial biomass acts as nutrient source for... -
Zooplanktos-S (500mL) - Brightwell
Brightwell Aquatics$20.8750 - 300µm Zooplankton Suspension for Fishes, Stony Corals, Clams, and Other Filter-Feeders Overview Provides zooplankton and fully-digestible, unhatched eggs ranging in size from 50 - 300µm... -
Zooplanktos-S (250mL) - Brightwell
Brightwell Aquatics$11.4950 - 300µm Zooplankton Suspension for Fishes, Stony Corals, Clams, and Other Filter-Feeders Overview Provides zooplankton and fully-digestible, unhatched eggs ranging in size from 50 - 300µm... -
Zooplanktos-M (500mL) - Brightwell
Brightwell Aquatics$16.38500 - 1Kµm Zooplankton Suspension for Fishes, Stony Corals, Clams, and Other Filter-Feeders Overview Provides zooplankton ranging in size from 500 - 1,000µm (1mm). Ideally-sized for many stony... -
Vitamarin-C Supplement (2L) - Brightwell
Brightwell Aquatics$106.33Concentrated Vitamin-C Supplement for all Marine Fish & Reef Aquaria Overview Highly-concentrated vitamin-C solution. Buffered; will not impact pH when used as directed. Stronger than... -
Vitamarin-C Supplement (500 ML) - Brightwell
Brightwell Aquatics$36.75Concentrated Vitamin-C Supplement for all Marine Fish & Reef Aquaria Overview Highly-concentrated vitamin-C solution. Buffered; will not impact pH when used as directed. Stronger than... -
Vitamarin-C Supplement (250 ML) - Brightwell
Brightwell Aquatics$17.05Concentrated Vitamin-C Supplement for all Marine Fish & Reef Aquaria Overview Highly-concentrated vitamin-C solution. Buffered; will not impact pH when used as directed. Stronger than... -
SpongExcel (60mL) - Brightwell
Brightwell Aquatics$9.09Supplement 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...
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... -
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... -
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... -
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. ... -
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... -
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... -
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... -
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... -
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. -
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... -
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... -
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... -
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 -
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