Products (3246)
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On Sale 20%
On Sale 20%142 Gallon External Overflow Rimless Tank w/ Black Stand (Full Package) - Fiji Cube
Fiji Cube$4,149.99$3,319.99The external overflow tank is a popular tank choice in the reef keeping hobby in recent years because of its highly customizable options in its filtration setup and its opportunity in maximizing... -
On Sale 20%
On Sale 20%108 Gallon External Overflow Rimless Tank w/ Black Stand (Full Package) - Fiji Cube
Fiji Cube$3,349.99$2,679.99The external overflow tank is a popular tank choice in the reef keeping hobby in recent years because of its highly customizable options in its filtration setup and its opportunity in maximizing... -
CORAL Magazine Nov/Dec 2024 Issue (Free on Orders $100+)
CORAL Magazine$14.99FREE ON ORDERS OF $250 or MORE - JUST ADD TO CART! Hailed by critics as “the world’s best reefkeeping magazine,” CORAL is written by leading aquarium experts and marine biologists, lavishly... -
CDX Carbon Dioxide Adsorption Media (3 L) Bucket - Two Little Fishies
Two Little Fishies$71.59Tackle pH management at the source for water parameters vital for healthy reef aquariums. Two Little Fishies CDX Carbon Dioxide Adsorption Media help maintain and elevate aquarium pH by removing CO2... -
Garlic Guard (250 mL) - Seachem
Seachem$7.38GarlicGuard™ is an appetite/flavor enhancer for freshwater and saltwater fish. GarlicGuard™ will help renew the interest of poor or finicky eaters. GarlicGuard™ contains naturally derived garlic oil... -
Garlic Guard (500 mL) - Seachem
Seachem$11.33GarlicGuard™ is an appetite/flavor enhancer for freshwater and saltwater fish. GarlicGuard™ will help renew the interest of poor or finicky eaters. GarlicGuard™ contains naturally derived garlic oil... -
Granular Activated Clean Carbon (15 oz. 425 grams) - ESV
ESV$16.99Achieve 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 (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... -
On Sale 20%
On Sale 20%St. Thomas Mushroom - SAQ Coral Farm
Saltwater Coral Farm$49.99$39.99St. Thomas Mushroom If you are looking to buy vibrant color coral online to add to your reef tank, this is the best choice. St. Thomas Mushroom coral is a fast growing coral that will reproduce and... -
On Sale 20%
On Sale 20%Mohawks Zoanthids - SAQ Coral Farm
Saltwater Coral Farm$34.99$27.99Average frag 1-5 polyps. If you are looking to buy vibrant color coral online to add to your reef tank, this is the best choice. Mohawks Zoanthids are a fast growing coral that will reproduce and... -
On Sale 20%
On Sale 20%Blondies Zoanthids - SAQ Coral Farm
Saltwater Coral Farm$99.99$79.99Average frag 1-5 polyps. If you are looking to buy vibrant color coral online to add to your reef tank, this is the best choice. Blondies Zoanthids are a fast growing coral that will reproduce and... -
Acrylic Coral Pointer Stick Translucent (Green) - 1 Pack
SaltwaterAquarium$4.99Our Coral Pointer Rods are made of a fluorescent reef-safe acrylic that will glow bright green under actinic lighting, allowing your friends or customers to easily choose the exact frag they want... -
Classic 40 Watt UV Black 2" Slip Fitting - Aqua Ultraviolet
Aqua Ultraviolet$627.35UV lamps emit a wavelength that will alter and disrupt the DNA or RNA of single-celled organisms. Combining the UV lamp into a large housing allows for maximum contact time with the lamp allowing the... -
On Sale 20%
On Sale 20%108 Gallon External Overflow Rimless Tank w/ White Stand (Full Package) - Fiji Cube
Fiji Cube$3,349.99$2,679.99The external overflow tank is a popular tank choice in the reef keeping hobby in recent years because of its highly customizable options in its filtration setup and its opportunity in maximizing... -
On Sale 20%
On Sale 20%48 Gallon Shallow External Overflow Rimless Nano Tank w/ White Stand (Full Package) - Fiji Cube
Fiji Cube$2,149.99$1,719.99The external overflow tank is a popular tank choice in the reef keeping hobby in recent years because of its highly customizable options in its filtration setup and its opportunity in maximizing... -
On Sale 50%
On Sale 50%(EXPIRED 12/25) Algae Control Pro Multi Test Kit Nitrate/Phosphate - NO3/PO4 - Red Sea
Red Sea$79.99$39.99EXPIRED Red Sea’s Algae Control Pro Kit includes high accuracy colorimetric comparator tests for the exceptionally high accuracy measurement of nitrate and phosphate. The nitrate & phosphate tests... -
Alkalin-P 8.3 - Dry pH/KH Builder (44 lbs) - Brightwell
Brightwell Aquatics$358.14KH Buffer Powder for all Marine Fish and Reef Aquaria Overview Raises alkalinity, adjust pH to 8.3 Unlike single component KH products such as sodium carbonate, Alkalin 8.3P is a... -
On Sale 20%
On Sale 20%48 Gallon Shallow External Overflow Rimless Nano Tank w/ Black Stand (Full Package) - Fiji Cube
Fiji Cube$2,149.99$1,719.99The external overflow tank is a popular tank choice in the reef keeping hobby in recent years because of its highly customizable options in its filtration setup and its opportunity in maximizing... -
On Sale 20%
On Sale 20%32 Gallon External Overflow Rimless Nano Tank w/ White Stand (Full Package) - Fiji Cube
Fiji Cube$1,449.99$1,159.99The external overflow tank is a popular tank choice in the reef keeping hobby in recent years because of its highly customizable options in its filtration setup and its opportunity in maximizing... -
On Sale 20%
On Sale 20%(OPEN BOX) Frag HUB 10.0 (WHITE) Ceramic Frag Plug Holder - Oceans Wonders
Oceans Wonders$19.99$15.99DAMAGED - A FEW PLUG STEMS SNAPPEDOceans Wonders new Coral FRAG HUBS are perfect for safely holding all of your frags in one convenient spot in your aquarium. Our frag hubs are available in a variety... -
On Sale 20%
On Sale 20%Nine Tails Torch Colony WYSIWYG - SAQ Coral Farm
Saltwater Coral Farm$329.99$263.99Nine 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... -
Aquacultured Imperial Stag Coral (Acropora sp.) - ORA
ORA$59.99This is a fast growing staghorn like coral that originated from the reefs around the Marshall Islands. Gorgeous elongated corallites turn to vibrant purple and contrast with the metallic green base... -
Trace Colors A - Iodine (500 ml) - Red Sea
Red Sea$20.99Coral Color A: A complex of halogens (Iodine, Bromine and Fluorine). The halogens act both as antioxidants and oxidative agents within the soft tissue and mucus layer of corals, reducing the... -
On Sale 20%
On Sale 20%76 Gallon Shallow External Overflow Rimless Tank w/ White Stand (Full Package) - Fiji Cube
Fiji Cube$2,849.99$2,279.99The external overflow tank is a popular tank choice in the reef keeping hobby in recent years because of its highly customizable options in its filtration setup and its opportunity in maximizing... -
On Sale 20%
On Sale 20%76 Gallon Shallow External Overflow Rimless Tank w/ Black Stand (Full Package) - Fiji Cube
Fiji Cube$2,849.99$2,279.99The external overflow tank is a popular tank choice in the reef keeping hobby in recent years because of its highly customizable options in its filtration setup and its opportunity in maximizing... -
On Sale 20%
On Sale 20%22.4 Gallon External Overflow Rimless Nano Tank w/ Black Stand (Full Package) - Fiji Cube
Fiji Cube$1,299.99$1,039.99The external overflow tank is a popular tank choice in the reef keeping hobby in recent years because of its highly customizable options in its filtration setup and its opportunity in maximizing... -
On Sale 20%
On Sale 20%171 Gallon External Overflow Rimless Tank w/ Black Stand (Full Package) - Fiji Cube
Fiji Cube$4,999.99$3,999.99The external overflow tank is a popular tank choice in the reef keeping hobby in recent years because of its highly customizable options in its filtration setup and its opportunity in maximizing... -
On Sale 30%
On Sale 30%81 Gallon External Overflow Rimless Tank w/ White Stand (Full Package) - Fiji Cube
Fiji Cube$2,799.99$1,959.99The external overflow tank is a popular tank choice in the reef keeping hobby in recent years because of its highly customizable options in its filtration setup and its opportunity in maximizing... -
Classic 25 Watt UV Black 2" Barb With Wiper - Aqua Ultraviolet
Aqua Ultraviolet$479.34This Version has a Quartz Sleeve Wiper to clean the unit. The Classic 25-Watt Series Units sterilizer is designed for maximum performance, capacity, and durability. Our Ultraviolet system is a... -
NeoMag (1000g) - Brightwell
Brightwell Aquatics$22.29High Purity Magnesium Media for Placement in Reef Aquarium Media Reactors Overview High-purity, magnesium-rich mineral that may be employed in traditional calcium reactors,or even blended in to... -
On Sale 20%
On Sale 20%142 Gallon External Overflow Rimless Tank w/ White Stand (Full Package) - Fiji Cube
Fiji Cube$4,149.99$3,319.99The external overflow tank is a popular tank choice in the reef keeping hobby in recent years because of its highly customizable options in its filtration setup and its opportunity in maximizing... -
On Sale 20%
On Sale 20%22.4 Gallon External Overflow Rimless Nano Tank w/ White Stand (Full Package) - Fiji Cube
Fiji Cube$1,299.99$1,039.99The external overflow tank is a popular tank choice in the reef keeping hobby in recent years because of its highly customizable options in its filtration setup and its opportunity in maximizing... -
CDX Carbon Dioxide Adsorption Media (750 ml) - Two Little Fishies
Two Little Fishies$23.64CO2 adsorbing media for PhosBan Reactor or similar aquarium reactors Innovative media helps keep pH-lowering CO2 out of your aquarium Replace exhausted aquarium media when it changes color to... -
Easy to Hatch Brine Shrimp Eggs 2.75 oz (80 gm) - San Francisco Bay Brand
San Francisco Bay Brand$39.50Grow Your Own Brine Shrimp - For Baby Fish & Reef Tanks Freshly hatched brine shrimp are an excellent food for baby fish, small fish and reef tanks. San Francisco Bay Brand® has supplied brine... -
On Sale 20%
On Sale 20%ACI Cultured Rastas Zoanthids - SAQ Coral Farm
Saltwater Coral Farm$69.99$55.99Average frag 2-8 polyps. If you are looking to buy vibrant color coral online to add to your reef tank, this is the best choice. ACI Rasta zoanthid coral is a fast growing coral that will... -
On Sale 20%
On Sale 20%Yellow Submarine Zoanthids - SAQ Coral Farm
Saltwater Coral Farm$69.99$55.99Average frag 2-8 polyps. If you are looking to buy vibrant color coral online to add to your reef tank, this is the best choice. Yellow Submarine coral is a fast growing coral that will reproduce... -
Corona Zoanthids - SAQ Coral Farm
Saltwater Coral Farm$69.99Average frag 1-5 polyps. If you are looking to buy vibrant color coral online to add to your reef tank, this is the best choice. Corona Zoanthids are a fast growing coral that will reproduce and... -
Classic 40 Watt UV Black 3/4" Barb - Aqua Ultraviolet
Aqua Ultraviolet$635.13UV lamps emit a wavelength that will alter and disrupt the DNA or RNA of single-celled organisms. Combining the UV lamp into a large housing allows for maximum contact time with the lamp allowing the... -
On Sale 30%
On Sale 30%57 Gallon Shallow External Overflow Rimless Tank w/ Black Stand (Full Package)- Fiji Cube
Fiji Cube$2,449.99$1,714.99The external overflow tank is a popular tank choice in the reef keeping hobby in recent years because of its highly customizable options in its filtration setup and its opportunity in maximizing...
Featured Products
On Sale
11%
On Sale
11%
(OPEN BOX) AI Prime 16HD Reef Aquarium LED, Black - AquaIllumination
AquaIllumination
$279.99
$249.99
UNUSED CUSTOMER RETURN
On Sale
20%
On Sale
20%
(Three Pack) Random Mystery ULTRA COLOR Rock Flower Anemone Coral (3/4" - 1") - SAQ Coral Farm
Saltwater Coral Farm
$249.99
$199.99
Three random ULTRA Mystery Rock Flower Anemone coral 3/4" - 5"+ in size.
Pictured Anemones are examples of some of the types of random ULTRA Mystery Anemones that may be sent to you. If you are...
On Sale
20%
On Sale
20%
(10 Pack) Random Mystery Rock Flower Anemone Coral (3/4" - 5") - SAQ Coral Farm
Saltwater Coral Farm
$199.99
$159.99
Ten Random Mystery Rock Flower Anemone Coral 3/4" - 5"+ in size.
Pictured Anemones are examples of some of the types of random Mystery Anemones that may be sent to you. If you are looking to...
On Sale
15%
On Sale
15%
WIFI DongleXE for Kessil A360X - Kessil
Kessil
$109.00
$92.65
Unlock global cloud control and effortless wireless lighting management with the Kessil WiFi DongleXE. Designed to plug directly into the K-Link port of compatible Kessil LED fixtures, the WiFi...
On Sale
15%
On Sale
15%
AP9XE Aquarium LED Light - Kessil
Kessil
$959.00
$815.15
Elevate your reef's growth, coloration, and shimmer with the Kessil AP9XE, Kessil's premier flagship sa
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...
On Sale
10%
On Sale
10%
LRS Reef Frenzy (7 oz Pack) - Superior Nutrition All-in-One Frozen Food for Marine Fish, Corals & Invertebrates
LRS
$21.99
$19.79
Reef Frenzy is a premium, all-in-one food for marine fish, corals, and invertebrates, designed to provide all the necessary nutrients for a thriving reef aquarium. Favored by hobbyists and endorsed...
On Sale
12%
On Sale
12%
Apex DOS QD Quiet Drive Automatic Dosing System - Neptune System
Neptune Systems
$374.99
$329.00
DŌS QuietDrive - Dose. Automate. Protect.
New QuietZone Modes for Reduced Noise
New Continuous Duty Modes
Same Reliable DŌS Hardware
Compatible with A2 and A3 Series Apex Controllers
In the...
On Sale
10%
On Sale
10%
Orbit 4 Cross-Flow Gyre Wave Pump - AquaIllumination
AquaIllumination
$349.00
$314.00
Flow Comes Full Circle
Versatile Cross-Flow Pump
Control with MyAI, Mobius, or MXM
Four Easy-to-Use Pump Modes
Ideal for Aquariums 20 Gallons and Larger
Orbit pumps produce a unique type of...
On Sale
20%
On Sale
20%
Axis 20 Centrifugal Sump Pump (185 GPH) - AquaIllumination
AquaIllumination
$99.00
$79.00
Big Pump Features in Pumps of All Sizes
Control with MyAI, Mobius, or MXM
Three Easy-to-Use Pump Modes
Ideal for All-In-One Aquariums up to 15 Gallons
Axis pumps offer full control, wireless...
On Sale
13%
On Sale
13%
39" Blade Coral Grow Smart Strip LED Light - AquaIllumination
AquaIllumination
$379.99
$330.00
The Blade Grow offers immense power in a thin package. Coral Grow features a LED mix that maximizes spectral peaks needed for coral photosynthesis. Use alone or augment with the Blade Glow for a...
On Sale
4%
On Sale
4%
A3 Apex PRO System (A3PROSYS) - Neptune Systems
Neptune Systems
$974.99
$933.99
Key New Features in our A3 Series:
The A3 Pro will include all new, industry-first, Liquid Level Sensor (LLS) which will have the ability to measure and monitor the depth of water and a new optical...
On Sale
7%
On Sale
7%
A3 Apex System (A3APEXSYS) - Neptune Systems
Neptune Systems
$659.99
$615.00
Key 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...
On Sale
12%
On Sale
12%
Radion XR30 G6 Pro LED Light Fixture - EcoTech Marine
Ecotech Marine
$999.00
$879.00
In the aquarium, enjoy richer colors, pop more fluorescence and create the ultimate balance between crisp and actinic. From its inception, Radion has set the standard for what full spectrum aquarium...
On Sale
12%
On Sale
12%
Radion XR30 G6 Blue LED Light Fixture - EcoTech Marine
Ecotech Marine
$999.00
$879.00
In the aquarium, enjoy richer colors, pop more fluorescence and create the ultimate balance between crisp and actinic. From its inception, Radion has set the standard for what full spectrum aquarium...
On Sale
12%
On Sale
12%
Radion XR15 G6 Pro LED Light Fixture - EcoTech Marine
Ecotech Marine
$549.88
$483.89
In the aquarium, enjoy richer colors, pop more fluorescence and create the ultimate balance between crisp and actinic. From its inception, Radion has set the standard for what full spectrum aquarium...
On Sale
12%
On Sale
12%
Radion XR15 G6 Blue LED Light Fixture - EcoTech Marine
Ecotech Marine
$549.88
$483.89
In the aquarium, enjoy richer colors, pop more fluorescence and create the ultimate balance between crisp and actinic. From its inception, Radion has set the standard for what full spectrum aquarium...
HI97115UC Bluetooth Marine Master Multiparameter Checker - Hanna Instruments
Hanna Instruments
$499.99
Hanna Instruments HI97115UC Marine Master Bluetooth Multiparameter Checker
Precision Testing for the Serious Reef Hobbyist
Achieve unparalleled accuracy and control over your reef aquarium's water...
HI782-25 Nitrate High Range Reagents (25 tests) - Hanna Instruments
Hanna Instruments
$26.99
HI782-25 (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...
On Sale
15%
On Sale
15%
AI Prime 16HD Reef Aquarium LED, Black - AquaIllumination
AquaIllumination
$279.99
$237.00
The AI Prime 16HD is a customizable LED light for saltwater aquariums. It's a full spectrum light that includes a moonlight channel.&nb