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New Products
On Sale
49%
On Sale
49%
(EXPIRED 11/25) Sea Veggies FLAKES Seaweed Red (30 gm / 1 oz) - Two Little Fishies
Two Little Fishies
$10.71
$5.49
Super nutritious Natural Red Seaweed Flakes.
Ideal for marine herbivores such as Tangs and Surgeonfish, Moorish Idols, Parrotfish, Angelfish, large Butterflyfish, and herbivorous freshwater fishes,...
On Sale
50%
On Sale
50%
(EXPIRED 11/15) PhytoPlan Advanced Phytoplankton Diet (1 oz) - Two Little Fishies
Two Little Fishies
$14.38
$7.19
PhytoPlan is a spray dried blend of several strains of phytoplankton. PhytoPlan is a food for filter feeding invertebrates and a great supplement to enrich the nutritional value of dried and frozen...
On Sale
50%
On Sale
50%
(EXPIRED 1/26) Freeze Dried Brine Shrimp Fish Food (0.7 oz) - San Francisco Bay Brand
San Francisco Bay Brand
$8.99
$4.49
The Original!For All Fresh & Saltwater Fish
San Francisco Bay Brand Freeze-dried Brine Shrimp are readily recognized as a food item by all freshwater and marine fish and invertebrates. If you...
On Sale
50%
On Sale
50%
(EXPIRED 2/26) Baby Brine Shrimp Eggs Vial (6 GM) Fish Food - San Francisco Bay Brand
San Francisco Bay Brand
$7.49
$3.75
San Francisco Bay Brand brine shrimp egg vial is designed for baby fish and reef tanks. It is highly notorious and excellent for fish and reefs. Brine shrimp contain beta carotene a natural color...
CORAL Magazine March/April 2026 Issue (Free on Orders $100+)
CORAL Magazine
$14.99
FREE 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...
On Sale
9%
On Sale
9%
(OPEN BOX) SICCE Scuba 100 Watt Contactless App Adjustable Aquarium Fish Tank Heater Smartphone Controlled via NFC
Sicce
$54.99
$49.99
UNUSED CUSTOMER RETURN
Innovative heater range equipped with PATENTED "contactless" temperature electronic control. The easiest and most immediate way...
On Sale
16%
On Sale
16%
(OPEN BOX) 4" Red Sea Reefer Filter Media Cup w/Media Bag - Red Sea
Red Sea
$17.95
$14.99
UNUSED CUSTOMER RETURN
4" filter media cups include a free high quality filter media bag, as used in Red Sea Reef-Spec Carbon.
Cup Dimensions: 4.25 x 4.25 x 8.5"
On Sale
18%
On Sale
18%
(OPEN BOX) Orbit Marine 24"- 36" Bluetooth IC LOOP PRO Dual LED System (4335) - Current USA
Current USA
$289.95
$238.99
UNUSED CUSTOMER RETURN
High output saltwater reef lighting systems includes Bluetooth Controller, 12VDC power supply and adjustable docking mounts.
Kit Includes:
1x - Bluetooth Controller
2x -...
On Sale
9%
On Sale
9%
(OPEN BOX_) BLUE SS-FIVE - 5 Gallon Auto Top Off Container (w/ Neptune LLS Port) - Bashsea
Bashsea
$149.00
$134.99
UNUSED BLUE RESERVOIR
ATO - A feature rich, multi-purpose reservoir. Bashsea has packed the ATO full of versatile features so you can use it the way you want to use it.
Now With a Port...
On Sale
9%
On Sale
9%
(OPEN BOX) BLUE 4-12 Media Chamber Reactor - Bashsea
Bashsea
$99.00
$89.99
UNUSED CUSTOMER RETURN
The perfect multi-media aquarium reactor. Extra large design allows for high media volumes, while producing even flow to maximize water-media...
On Sale
15%
On Sale
15%
(OPEN BOX) Deskmate FLORIDA Peninsula 9 Gallon Acylic Aquarium - Eshopps
Eshopps
$269.98
$229.99
UNUSED CUSTOMER RETURN
Imagine you can have a
On Sale
10%
On Sale
10%
(OPEN BOX) Syncra SDC 3.0 WIFI Return Pump (260 - 800 gph) - Sicce
Sicce
$299.99
$269.99
UNUSED CUSTOMER RETURN
SYNCRA SDC 3.0 is the latest to complete the successful Sicce Wi-Fi controllable pumps range This compact pump integrates all SYNCRA SDC pumps main features and has been...
On Sale
11%
On Sale
11%
(OPEN BOX) CITR3 Pro In-Tank Refugium - Small w/ Bracket - CPR Aquatics
CPR Aquatics
$69.99
$61.99
UNUSED CUSTOMER RETURN
New updated grate design with 20% greater flow than previous model.
The CITR In-Tank Refugiums are "safe houses" that provide a protected area to help newly added fish...
On Sale
9%
On Sale
9%
(OPEN BOX) eFlux LOOP Accessory Wave Pump 2100 GPH (6006) - Current USA
Current USA
$109.99
$99.99
UNUSED CUSTOMER RETURN
Movement SynchronizedSimulating natural water currents found on coral reefs, eFlux™ controllable wave pumps provide tank wide circulation, improving water quality and...
On Sale
10%
On Sale
10%
(OPEN BOX) Replacement Impeller for Syncra 3.0 - Sicce
Sicce
$49.99
$44.99
UNUSED CUSTOMER RETURN
Sicce Replacement Impeller for Syncra 3.0.
On Sale
14%
On Sale
14%
(OPEN BOX) Glass Small-In-One 1 Gallon Desktop Aquarium (Freshwater) - PNW Customs
PNW Custom
$163.00
$139.99
UNUSED TRADESHOW DISPLAY
Introducing the NEW GLASS Small-In-One! This 1 Gallon Desktop Aquarium is the perfect companion for your home or office - available for Saltwater or Freshwater! Tailored...
On Sale
30%
On Sale
30%
(DAMAGED) FLEX 32.5 Gallon Aquarium Stand Only - BLACK - Fluval
Fluval
$249.99
$174.99
SHIPPING DAMAGE _ SCUFFS N SCRAPES
Perfectly sized for the Flex 32.5 US Gal (123 L) – Item #14995, sold separately
Curved stand follows the smooth contours of the Flex aquarium
Sturdy cabinet in...
On Sale
13%
On Sale
13%
(OPEN BOX) Osmolator Nano 3152 Auto Top Off - Tunze
Tunze
$114.99
$99.99
UNUSED CUSTOMER RETURN
For small aquariums, a stable osmotic balance is important, because they are particularly sensitive to constantly changing salt concentrations.
The Osmo
On Sale
13%
On Sale
13%
(OPEN BOX) SaltwaterAquarium Small Acrylic Fish & Pest Trap 6" x 4" x 4" for Aquarium | Acclimation Isolation Box Fish Tank Breeding Box
SaltwaterAquarium
$39.99
$34.99
UNUSED CUSTOMER RETURN
Keep unwanted aquarium inhabitants out with this cleverly design fish trap. Use this clever trap to remove a pesky crab or other problem animal. Easily trap fish by baiting...
On Sale
41%
On Sale
41%
(USED) 125 Medium Glass Algae Magnet With Scraper Option - Mag Float
MagFloat
$33.89
$19.99
USED - TESTED - WORKS
The Mag-Float-125 Medium Glass Aquarium Cleaner is recommended for use with glass aquariums up to 125 gallons with a surface thickness up to 3/8”.
Features scraper...
Featured Products
RO/DI Flood Guardian - RODI Auto Shut Off Solinoid - AutoAqua
AutoAqua
$94.99
Stop the Floods. Start the Convenience.
Making RO or RO/DI water for your aquarium is a time-consuming necessity, but forgetting to turn it off shouldn't cost you a flooded floor. The AutoAqua Smart...
Replacement Down Pipe w/ReefGate for REEFER 170-200 - Red Sea
Red Sea
$75.00
Quiet. Smooth. Precise. Take full control of your aquarium’s downflow with the Red Sea ReefGate Valve Upgrade Kit. Designed specifically for reef hobbyists, this high-precision gate valve replaces...
ReefGate Valve Upgrade Kit for Reefers with 40mm / 1-25" Piping - Red Sea
Red Sea
$85.00
Quiet. Smooth. Precise. Take full control of your aquarium’s downflow with the Red Sea ReefGate Valve Upgrade Kit. Designed specifically for reef hobbyists, this high-precision gate valve replaces...
B-Ionic Nitrate (16 oz) - ESV
ESV
$19.99
Achieve vibrant coral coloration and robust health with ESV B-Ionic® Nitrate, a professional-grade, highly purified calcium nitrate solution. In the modern ultra-low nutrient system (ULNS), many reef...
Granular Activated Clean Carbon (3.5 lbs, 1600 grams) - ESV
ESV
$39.99
Achieve 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...
Kalkwasser Powder Calcium Hydroxide (14 oz, 400 grams) - ESV
ESV
$14.99
Maintain a thriving reef ecosystem with the purity of ESV Kalkwasser. A cornerstone of marine aquarium care for decades, Calcium Hydroxide is a proven, economical method for maintaining both calcium...
HYDROS Duet: The Ultimate Super-Duty Dosing, Water Change & Control Hybrid
Hydros
$799.99
HYDROS Duet: The Ultimate Super-Duty Dosing & Control Hybrid
Take total control of your aquarium’s most demanding liquid management tasks with the HYDROS Duet. Engineered for hobbyists who...
4-Head Dosing Pump - Simplicity
Simplicity
$149.95
The Simplicity Dosing Pump is an accurate, effective, and affordable liquid dosing solution. The four dosing heads offer high-precision liquid dosing combined with easy-to-use integrated controls...
Marine Grazing Pellets 8mm (2.82 oz) - Vialtis
Vitalis
$20.99
Vitalis Marine Grazing Pellets (8mm) – 80g
Fuel the natural foraging instincts of your saltwater fish with Vitalis Marine Grazing Pellets. These high-quality, 8mm pellets are specifically formulated...
Marine Grazing Pellet Station - Vitalis
Vitalis
$8.99
Vitalis Universal Grazing Station – Interactive Feeding System
Enhance your aquarium’s feeding experience with the Vitalis Universal Grazing Station. Designed by the experts at Vitalis, this...
BioSpace Reactor 8-2 (8" x 21") Up to 500 Gallons - Bashsea
Bashsea
$599.00
Elevate your aquarium’s ecosystem with the Bashsea BioSpace Reactor, the most effective biological filter currently available on the market. Engineered for the serious hobbyist, this reactor utilizes...
BioSpace Reactor 6-2 (6" x 21") Up to 225 Gallons - Bashsea
Bashsea
$399.00
Elevate your aquarium’s ecosystem with the Bashsea BioSpace Reactor, the most effective biological filter currently available on the market. Engineered for the serious hobbyist, this reactor utilizes...
BioSpace Reactor 4-2 (4" x 21") Up to 110 Gallons - Bashsea
Bashsea
$219.00
Elevate your aquarium’s ecosystem with the Bashsea BioSpace Reactor, the most effective biological filter currently available on the market. Engineered for the serious hobbyist, this reactor utilizes...
4" NOSOK Filter Sock No Sock Replacement Silencer Cup - VCA
VCA Vivid Creative
$44.95
Silence Your Sump and Simplify Your Maintenance Routine
Tired of the constant splashing and "gurgling" sounds coming from your filter socks? The VCA No-Sock 4-Inch Silencer is the ultimate solution...
On Sale
15%
On Sale
15%
84 Gallon Peninsula Drop Off Aquarium w/ Black Stand - Full Package - Fiji Cube
Fiji Cube
$4,499.99
$3,824.99
Dive into something different with the Fiji Cube 84 Gallon Peninsula Internal Overflow Drop Off Rimless Aquarium – where creativity meets the coast! Designed for reef lovers and aquascaping...
On Sale
15%
On Sale
15%
84 Gallon Peninsula Drop Off Aquarium w/ Black Stand - Fiji Cube
Fiji Cube
$3,999.99
$3,399.99
Dive into something different with the Fiji Cube 84 Gallon Peninsula Internal Overflow Drop Off Rimless Aquarium – where creativity meets the coast! Designed for reef lovers and aquascaping...
Small-In-One Nomad Portable Traveling Aquarium (0.5 Gallon) - PNW Custom
PNW Custom
$349.99
0.5 Gallon Fully Sealed Traveling Aquarium
The world’s first fully sealed traveling aquarium.
The Small-In-One Nomad is a compact 0.5-gallon aquarium designed for safely transporting and displaying...
ION-B ALK/pH+ Liquid (5000 mL) Base 2 Part - NYOS
NYOS
$59.99
Balanced Alkalinity Support for Modern Reef Tanks
Pre-Mixed, Ready-to-use Solution
Increases Alkalinity and Stabilizes pH
Also Contains Sulfate, Bromine and Fluorine for Ion...
ION-B CA/MG+ Liquid (5000 mL) Base 2 Part - NYOS
NYOS
$59.99
Balanced Calcium and Magnesium Support for Modern Reef Tanks
Pre-Mixed, Ready-to-use Solution
Increases Calcium and Magnesium
Also Contains Strontium, Potassium, and Boron for Ion...