Products (3246)
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On Sale 10%
On Sale 10%LRS Reef Frenzy Nano (4 oz Pack) - Superior Nutrition All-in-One Frozen Food for Marine Fish, Corals & Invertebrates
LRS$14.99$13.49Reef Frenzy NANO 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... -
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... -
Reef Strontium (500mL) - Seachem
Seachem$11.33Strontium occurs in natural seawater at a concentration of about 8 to 10 mg/L. It is chemically very similar to calcium, and many organisms incorporate it in their skeletons along with calcium. Its... -
SDAquarist Micro Algae Blend Concentrate (16 oz) - Reef Nutrition
Reef Nutrition$29.00A blend of the 6 most widely used marine microalgae for use with invertebrates: Isochrysis, Pavlova, Tetr -
VarioS 4/RODC Pinwheel Impeller for Skimmer Pumps - Reef Octopus
Reef Octopus$45.90VarioS/RODC Pump Pinwheel Impeller Replacement impeller for RODC skimmer pump models 3500S and VarioS model 4S. IMPORTANT: Not compatible with old Diablo (Red/Black) pump. -
Small Bucket Coral Pro Sea Salt Mix (Makes 55 Gallons) - Red Sea
Red Sea$39.99Red 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 10%
On Sale 10%(OPEN BOX) Large Bucket Coral Pro Sea Salt Mix (Makes 175 Gallons) - Red Sea
Red Sea$97.99$87.99DAMAGED BUCKET - SALT UNTOUCHED Red Sea’s Coral Pro Salt contains biologically balanced, elevated levels of the foundation elements (Calcium, Magnesium, Carbonates) necessary for sustainable,... -
Reef Advantage Calcium (250g) - Seachem
Seachem$8.99Reef Advantage Calcium™ is a non-caustic (pH 8.3–8.6) optimized blend of ionic calcium designed to restore and maintain calcium to levels found in natural seawater. Calcium and carbonates are... -
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... -
Reef Zooplankton (500 mL) - Seachem
Seachem$16.17Reef Zooplankton™ is a concentrated blend of marine zooplankton designed to provide the essential fatty acids, proteins, vitamins, amino acids, with biological carotenoids for coral growth. The... -
Black Standard Aquarium Controller Mounting Board - Adaptive Reef
Adaptive Reef$153.99The perfect solution to help organize and control the rat's nest of wires that most aquariums suffer from. This board was created to easily allow you to mount an apex, power strips, equipment... -
TDO-A Chroma Boost Fish Food (1 oz) - Reef Nutrition
Reef Nutrition$12.00TDO Chroma BOOST is a granulated and pelleted fish and coral feed "top-dressed" with Haematococcus (which provides an excellent source of astaxanthin) for vibrant color and superior nutrition. New... -
VarioS 6/RODC Pinwheel Impeller for Skimmer Pumps - Reef Octopus
Reef Octopus$50.08VarioS/RODC Pump Pinwheel Impeller Replacement impeller for RODC skimmer pump models 5500S and VarioS model 6S. IMPORTANT: Not compatible with old Diablo (Red/Black) pump. -
Reef Foundation A Dry - Calcium (CA) (1 KG) Powder - Red Sea
Red Sea$33.99Calcium+ Supplement Calcium and Strontium complex for balanced formation of the coral skeleton -
Classic CR618 GEN 3 - 6" Calcium Reactor Blue & Black "Saltwater Edition" w/Pump - Geo's Reef
Geo's Reef$595.00*******THESE REACTORS ARE IN STOCK AND WILL SHIP SAME DAY NEXT DAY - NO NEED TO WAIT FOR THEM TO BE BUILT******* The Classic CR618 GEN 3 will hold 12 pounds of large grain media and is suitable for... -
Bulk Premium ROX 0.8 Aquarium Carbon (1/4 Gallon) - Bulk Reef Supply
Bulk Reef Supply$22.99ROX 0.8 - Our Best Aquarium Carbon Removes Yellowing Pigments, Contaminants, and Odor Use in a Media Bag or Media Reactor Very Low Dust - Minimal Rinsing Required Use Half the Amount vs... -
VarioS 2/RODC Pinwheel Impeller for Skimmer Pumps - Reef Octopus
Reef Octopus$41.73VarioS/RODC Pump Pinwheel Impeller Replacement impeller for RODC skimmer pump models 2500S and VarioS model 2S. IMPORTANT: Not compatible with old Diablo (Red/Black) pump. -
Reef Phytoplankton (500mL) - Seachem
Seachem$16.17Reef Phytoplankton™ is a concentrated blend of green and brown marine phytoplankton designed to provide the essential fatty acids, proteins, vitamins, amino acids, with biological carotenoids for... -
PURE Reef Salt Mix (20kg Bucket) - NYOS
NYOS$109.88PURE, Trustworthy, & Consistent Ultra-pure, pharmaceutical grade ingredients No yellow tinge Quick solubility Consistent quality Near-natural mineral levels Improves color, growth, and polyp... -
TDO-A Chroma Boost Fish Food (3 oz) - Reef Nutrition
Reef Nutrition$29.50TDO Chroma BOOST is a granulated and pelleted fish and coral feed "top-dressed" with Haematococcus (which provides an excellent source of astaxanthin) for vibrant color and superior nutrition. New... -
Fritz PRO RPM Salt Mix Bucket (48 lbs - Makes 180 Gallons) - Fritz Aquatics
Fritz Aquatics$89.99Fritz 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... -
On Sale 20%
On Sale 20%Ricordea Yuma Rock WYSIWYG - SAQ Coral Farm
Saltwater Coral Farm$179.99$143.99Ricordea Yuma Rock 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. Ricordea Yuma Rock WYSIWYG is a fast... -
TDO Chroma Boost Hobbyist Breeder Starter Pack - Reef Nutrition
Reef Nutrition$78.50TDO Chroma BOOST is a granulated and pelleted fish and coral feed "top-dressed" with Haematococcus (which provides an excellent source of astaxanthin) for vibrant color and superior nutrition. New... -
Octo Pulse 2 Flow Pump (Pump Only) - Reef Octopus
Reef Octopus$213.66PUMP ONLYMax Flow: 1,600gph | 5~10watts | 20 - 80+ gallonsApplicable for glass or acrylic aquariums up to 1/2 in. The new Octo Pulse 2 is a fully controllable flow pump that moves up to 1600gph and... -
NR618 Nitrate Reducing Sulfur Reactor GEN 3 - RED - Geo's Reef
Geo's Reef$595.00The NR618 shown will hold roughly 15 pounds of sulfur media in the chamber and is well suited for heavy loaded aquariums up to 200 gallons. Nitrate Reducing Sulfur reactors are the most underrated... -
Super Silent Extreme CR618 SSE - 6" Calcium Reactor Blue & Black "Saltwater Edition" - Geo's Reef
Geo's Reef$819.00*******THESE REACTORS ARE IN STOCK AND WILL SHIP SAME DAY NEXT DAY - NO NEED TO WAIT FOR THEM TO BE BUILT******* The Super Silent Extreme CR618 SSE will hold 12 pounds of large grain media and is... -
Reef Zooplankton (250 mL) - Seachem
Seachem$8.82Reef Zooplankton™ is a concentrated blend of marine zooplankton designed to provide the essential fatty acids, proteins, vitamins, amino acids, with biological carotenoids for coral growth. The... -
Bulk Premium ROX 0.8 Aquarium Carbon (1 Gallon) - Bulk Reef Supply
Bulk Reef Supply$59.99ROX 0.8 - Our Best Aquarium Carbon Removes Yellowing Pigments, Contaminants, and Odor Use in a Media Bag or Media Reactor Very Low Dust - Minimal Rinsing Required Use Half the Amount vs... -
Benereef Coral Reef Food (160g) - Benepets
Benepets$61.95Benereef is not just a coral food, it is engineered for the entire reef. Our patent-pending pre and probiotic formula is unlike anything else on the market. It looks different and smells different... -
Benereef Coral Reef Food (40g) - Benepets
Benepets$19.99Benereef is not just a coral food, it is engineered for the entire reef. Our patent-pending pre and probiotic formula is unlike anything else on the market. It looks different and smells different... -
Benereef Coral Reef Food (80g) - Benepets
Benepets$34.95Benereef is not just a coral food, it is engineered for the entire reef. Our patent-pending pre and probiotic formula is unlike anything else on the market. It looks different and smells different... -
Reef Advantage Calcium (4KG)- Seachem
Seachem$96.71Reef Advantage Calcium™ is a non-caustic (pH 8.3–8.6) optimized blend of ionic calcium designed to restore and maintain calcium to levels found in natural seawater. Calcium and carbonates are... -
SDAquarist Micro Algae Blend Concentrate (32 oz) - Reef Nutrition
Reef Nutrition$54.00A blend of the 6 most widely used marine microalgae for use with invertebrates: Isochrysis, Pavlova, Tetr -
Reef Code B-P - Balanced Calcium & Alkalinity System Powder - Part B (Alk.) 1 KG - Brightwell
$25.95Ionically Balanced Powered Calcium & Alkalinity for all marine fish & reef aquaria Overview The alkalinity-bearing component of a two-part method for dosing calcium and carbonates (the... -
Eyeball Aluminum Alloy Reef Light (36W, 16-20") - Hygger
Hygger$45.99Key Features Ocean-Light Spectrum: Mimics natural light with full-spectrum LEDs for vibrant coral colors. Advanced Cooling: Ball-bearing fans ensure quiet, efficient cooling for long life. Smart... -
Reef Advantage Strontium (600 g) - Seachem
Seachem$10.33Strontium occurs in natural seawater at a concentration of about 8 to 10 mg/L. It is chemically very similar to calcium, and many organisms incorporate it in their skeletons along with calcium. Its... -
On Sale 20%
On Sale 20%Rhodactis Mushroom Rock Colony WYSIWYG - SAQ Coral Farm
Saltwater Coral Farm$129.99$103.99Rhodactis Mushroom Rock 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. Rhodactis Mushroom Rock... -
VarioS 12 Commercial Pressure Rated Circulation Pump - Reef Octopus
Reef Octopus$2,399.99Detailed coming soon. -
Octo Pulse 4 Flow Pump (Pump Only) - Reef Octopus
Reef Octopus$254.09PUMP ONLYMax Flow: 4,500gph | 11~32watts | 80 - 500+ gallons The Octo Pulse 4 is a fully controllable flow pump that moves up to 4500gph and consumes no more than 32 watts of power in the process... -
White Large Plug C & D Cut Outs Covers - Adaptive Reef
Adaptive Reef$15.994x Cut Outs to Cover the larger holes in the deluxe boards.
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