Products (1314)
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Fluval 107 External Filter
Fluval$152.9907 series marks the 7th incarnation in 4 decades of Fluval's top selling canister filter family worldwide. Not only does the latest generation incorporate the power and reliability you've come to... -
Fluval 307 External Filter
Fluval$217.9907 series marks the 7th incarnation in 4 decades of Fluval's top selling canister filter family worldwide. Not only does the latest generation incorporate the power and reliability you've come to... -
CoralAmino Free Form Amino Acid Supplement (500 ml) - Brightwell
Brightwell Aquatics$65.66Free-Form Coral Amino Complex for all Corals & Their Allies Overview Complex of free-form amino acids in the same ratios found within tissues of stony corals. Beneficial to all corals (stony... -
15" Liquid Level Sensor (LLS-15) - Neptune Systems
Neptune Systems$79.99Probably the most popular sized level sensor this is the ideal sensor for your average containers used in and around aquarium. This will be the ideal sensor for measuring the return pump section of... -
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... -
CoralAmino Free Form Amino Acid Supplement (60 ml) - Brightwell
Brightwell Aquatics$32.79Free-Form Coral Amino Complex for all Corals & Their Allies Overview Complex of free-form amino acids in the same ratios found within tissues of stony corals. Beneficial to all corals (stony... -
CoralAmino Free Form Amino Acid Supplement (250 ml) - Brightwell
Brightwell Aquatics$54.36Free-Form Coral Amino Complex for all Corals & Their Allies Overview Complex of free-form amino acids in the same ratios found within tissues of stony corals. Beneficial to all corals (stony... -
CoralAmino Free Form Amino Acid Supplement (2L) - Brightwell
Brightwell Aquatics$181.10Free-Form Coral Amino Complex for all Corals & Their Allies Overview Complex of free-form amino acids in the same ratios found within tissues of stony corals. Beneficial to all corals (stony... -
CF400UVMKII Canister Filter 4-Stage w/ Vortex Prime & 9W UV (370 gph) - Aquatop
Aquatop$211.99CF400UVMKII Canister Filter 4-Stage w/ Vortex Prime & UV 9W - 370 gphThe CF400-UV has become a very popular canister filter for the price and performance. The new and improved CF-400UVMKII now has... -
Benepellet Reef Small 1.7 mm Pellet Coral Food (1.3 oz) - Benepets
Benepets$19.99Small pellet size (1.7mm) - Sinking pellets - Based on the Benereef formula, now in a pellet form for convenient feeding and automatic feeder use. Benepellet Reef is scientifically engineered to... -
ModMag Giga Aquarium Magnet - AvidAqua
AvidAqua$29.95The ModMag is the cornerstone many solutions in the AvidAqua line of aquarium products. Its sliding-slot design provides magnetic attachment of multiple accessories, simultaneously, both inside and... -
On Sale 20%
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ProStar 55 Gallon Rectangular Acrylic Aquarium (36 x 15 x 24") - Pro Clear
Pro Clear Aquatic Systems$875.00 - $935.00ProStar Acrylic Aquariums, proudly manufactured in the USA by Pro Clear Aquatic Systems, is engineered for both elegance and durability. Constructed entirely from premium, high-clarity cell cast... -
On Sale 20%
On Sale 20%Helio Universal Heater Controller - Innovative Marine
Innovative Marine$96.00$76.80The HELIO smart controller bridges the gap between hobby grade and commercial controllers. Its processor goes hand in hand with the titanium sensor to keep your temperature readings stable. The... -
ECO Reef Solution (8 oz.) - EcoSystem Aquarium
EcoSystems Aquarium$15.99• Increased polyp extension in corals • Increases coloration in both fish and corals • Increases appetite in fish Description: Reef Solution is an all-natural product. The multiple minerals and... -
CoralAmino Free Form Amino Acid Supplement (30 ml) - Brightwell
Brightwell Aquatics$21.10Free-Form Coral Amino Complex for all Corals & Their Allies Overview Complex of free-form amino acids in the same ratios found within tissues of stony corals. Beneficial to all corals (stony... -
Fluval 207 External Filter
Fluval$170.9907 series marks the 7th incarnation in 4 decades of Fluval's top selling canister filter family worldwide. Not only does the latest generation incorporate the power and reliability you've come to... -
On Sale 15%
On Sale 15%Electric Blue Hermit Crab (Calcinus elegans) - Cleanup Crew
Clean Up Crews$19.99$16.99 -
On Sale 20%
On Sale 20%Low Profile External Overflow Box - 600GPH - Fiji Cube
Fiji Cube$154.99$123.99The Fiji Cube Low Profile External Overflow Box (600 GPH) is a premium, high-efficiency system for diverting water from your aquarium to an external sump, offering a clean, safe, and powerful... -
MinnFinn Freshwater Medication - AquaFinn
AquaFinn$19.99Stop the clock on fish disease! AquaFinn MinnFinn is a revolutionary, broad-spectrum freshwater medication designed for rapid and effective treatment of parasitic, bacterial, and fungal infections in... -
ProStar 30 Gallon Rectangular Acrylic Aquarium (24 x 13 x 24") - Pro Clear
Pro Clear Aquatic Systems$430.00 - $440.00ProStar Acrylic Aquariums, proudly manufactured in the USA by Pro Clear Aquatic Systems, is engineered for both elegance and durability. Constructed entirely from premium, high-clarity cell cast... -
Florin-P (500g) - Brightwell
Brightwell Aquatics$15.54Inorganic Phosphorus Source for all Planted Aquaria Overview Concentrated source of inorganic phosphorus for use in planted aquaria. Formulated utilizing extensive research on aquatic plant... -
Absolute Ocean 2 x 10 Liter Set (45 Gallons) Perfect Seawater Concentrate - ATI
ATI$69.95ATI Absolute Ocean in the 20.4-liter set is the ultimate high-volume seawater concentrate for serious reefers and large-scale systems. This 20x liquid concentrate provides a faster, cleaner, and more... -
A3 Apex PRO System w/Insight Pro Display (A3PROSYS) - Neptune Systems
Neptune Systems$1,174.94Includes Insight Pro Display 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... -
Restor Liquid Coral Tissue Nutritional Supplement (500 ML) - Brightwell
Brightwell Aquatics$23.87Overview Encourages health, growth, reproduction, and vibrant coloration. Provides important nutrients to corals and their allies during periods of stress inducedby changes in lighting and/or... -
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On Sale 20%
On Sale 20%NUVO FlipFeed - Hinged Feeding Lid for Screen Net Covers - Innovative Marine
Innovative Marine$29.99$23.99NUVO FlipFeed – Hinged Feeding Lid for Mesh Screen Lids Feed Without the Hassle. Maintain Without the Lift. One of the biggest pain points for aquarium hobbyists with mesh lids is having to remove... -
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... -
Coral RX Dip - (8 oz) - Thrive Aquatics
All Misc Brands$17.99Coral Rx was developed in 2006 for two purposes: to treat corals suffering with parasites, and as a prophylactic measure to promote healthy corals before parasites or bacterial infections become... -
Captive-Bred Mocha Storm (Amphiprion ocellaris)- ORA
ORA$119.99The Captive-Bred ORA Mocha Storm Ocellaris Clownfish is a distinct designer clownfish that derives its lineage from a mutation that appeared during the selective breeding process. The Captive-Bred... -
Captive-Bred Mocha Storm Clownfish (Amphiprion ocellaris) PAIR - ORA
ORA$289.99The Captive-Bred ORA Mocha Storm Ocellaris Clownfish is a distinct designer clownfish that derives its lineage from a mutation that appeared during the selective breeding process. The Captive-Bred... -
MXM - Mobius Wireless Module - Controls Ecotech & AI Devices - Neptune Systems
Neptune Systems$139.99Bring the award-winning pumps and lights from EcoTech Marine and AquaIllumination wirelessly under the control of the easy to use, yet powerful, Neptune Systems’ Apex and Apex Fusion interface. -
Crystal Sump 36 (36" x 14") - Trigger Systems
Trigger Systems$419.79Trigger Systems specializes in aquarium sump manufacturing and are based here in the USA (Dallas, TX). All Trigger sumps come with a full top support brace which is made of a solid piece of material... -
Premium CATION Charged Bulk Deionization Resin (Color Changing) RODI (1.4 lbs) Refill Bag | Made in the USA Virgin Nuclear Grade - SaltwaterAquarium
SaltwaterAquarium$19.99Reverse osmosis (RO) units use the worlds most efficient RO membrane material to achieve a 98.6% rejection of TDS from your incoming tap water, but we can't stop there. The issue is that we need... -
Restor Liquid Coral Tissue Nutritional Supplement (2 L) - Brightwell
Brightwell Aquatics$65.52Overview Encourages health, growth, reproduction, and vibrant coloration. Provides important nutrients to corals and their allies during periods of stress inducedby changes in lighting and/or... -
BioFlow One - Internal Filter System - Juwel
Juwel$69.99Don't let the compact size fool you—the JUWEL Bioflow ONE is a powerful, high-performance internal filter engineered for perfect water quality in smaller aquariums. Ideal for nano tanks, starter... -
Coral RX ONE SHOT Coral Dip Single Pack - CoralRX
All Misc Brands$2.99Coral Rx was developed in 2006 for two purposes: to treat corals suffering with parasites, and as a prophylactic measure to promote healthy corals before parasites or bacterial infections become... -
FX6 High Performance Canister Filter (up to 400 Gal) - Fluval
Fluval$406.99Building on the hugely successful FX5, the FX6 is Fluval's next generation filter workhorse, with all the power and reliability that Fluval FX filters are known for, plus more. The FX6 has an... -
On Sale 12%
On Sale 12%Vectra M2 DC Return Pump Mobius Ready (2,000 GPH) - Ecotech Marine
Ecotech Marine$499.99$439.00Flow: 2,000 gph (7,500 lph) Wireless: Included Max Head Pressure:
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
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
On Sale
9%
On Sale
9%
Apex ATK V2 Automatic Top-Off Kit ATO (ATK) - Neptune Systems
Neptune Systems
$269.99
$246.00
The ATK (Automatic Top-off Kit) is a simple, standalone, and complete solution for replacing water lost to evaporation.
The new aquarium hobbyist has many challenges, but none is more annoying...
HI755-26 HI772-26 Alkalinity Checker Reagent (25 Tests) - Hanna Instruments
Hanna Instruments
$18.99
This 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...