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Acrylic Small In One 1 Gallon Desktop FRESHWATER Aquarium (White) - PNW Customs
PNW Custom$149.99At only 8 inches by 6 inches, this aquarium has the ideal footprint for any small space without compromising on room for corals and inverts. The cube shape is perfect for a wide variety of creative microscapes, and the all-in-one style filtration has a... -
(XR705) XR30 G5 & G6 Radion Single Arm RMS Adapter Kit - Ecotech Marine
Ecotech Marine$11.55If you have a RMS Tank Mount System, the RMS XR30 Adapter provides the necessary hardware to easily update your RMS Tank Mount for use with your new Radion XR30 LED light. Installation of the hardware only takes a few minutes and you'll be up and running... -
(XR727) XR30 G5 & G6 Radion Multi-Light RMS X Slide Bracket - Ecotech Marine
Ecotech Marine$24.26Compatible with both G5 and G6 Radion XR30s. Multi-Light Radion Mounting System - Slide Mount The Multi-Light RMS is a modular and customizable Radion LED mounting solution for all XR15 and XR30 systems, Gen 5 and earlier. The RMS Slide Mounts connect... -
On Sale 14%
(OPEN BOX) 36"-48" Serene Background LED Light Kit (3152) - Current USA
Current USA$62.95$53.99UNUSED CUSTOMER RETURN See beyond a static color background and add dramatic depth where additional fades and shades make all the difference. Not only will it change the way you view your aquarium, it enhances the ambiance of any room. Fits aquariums... -
XR15 High Intensity Radion Lens Kit (XR631) - EcoTech Marine
Ecotech Marine$19.99Optimize Your Radion: The Right Lens Kit for Every Aquarium Ideal for Deep Aquariums or High Radion Mounting Higher PAR, Narrower Focus Compatible with G5 and G6 Radions The EcoTech Radion High Intensity Kit is a valuable accessory designed to... -
XR30 High Intensity Radion Lens Kit (XR632) - EcoTech Marine
Ecotech Marine$24.99Optimize Your Radion: The Right Lens Kit for Every Aquarium Ideal for Deep Aquariums or High Radion Mounting Higher PAR, Narrower Focus Compatible with G5 and G6 Radions The EcoTech Radion High Intensity Kit is a valuable accessory designed to... -
On Sale 15%
(CLEARENCE) 18" - 24" White Serene Sun RGB+W Freshwater LED Light (4220) - Current USA
Current USA$159.95$135.96An incredibly minimal design packed with an array of full-spectrum RGB+W smart LED’s, SereneSun lets you focus attention on the life you lighting. Whether you are a traditional freshwater aquarist or planted tank hobbyist, SereneSun has you... -
On Sale 15%
24" - 36" Inch Satellite Freshwater LED Plus Full Spectrum RGB+W Light for Aquariums (4506) - Current USA
Current USA$149.99$127.49Custom color from your couch. Now you can shift the color of your aquatic environment without shifting your body with the industry’s first freshwater-optimized, full spectrum RGB+White aquarium light with wireless remote control. Super bright 6500K... -
On Sale 15%
36" - 48" Inch Satellite Freshwater LED Plus Full Spectrum RGB+W Light for Aquariums (4507) - Current USA
Current USA$171.95$146.16Custom color from your couch. Now you can shift the color of your aquatic environment without shifting your body with the industry’s first freshwater-optimized, full spectrum RGB+White aquarium light with wireless remote control. Super bright 6500K... -
On Sale 15%
48" - 60" Inch Satellite Freshwater LED Plus Full Spectrum RGB+W Light for Aquariums (4508) - Current USA
Current USA$196.95$167.41Custom color from your couch. Now you can shift the color of your aquatic environment without shifting your body with the industry’s first freshwater-optimized, full spectrum RGB+White aquarium light with wireless remote control. Super bright 6500K... -
On Sale 15%
72" Inch Satellite Freshwater LED Plus Full Spectrum RGB+W Light for Aquariums (4509) - Current USA
Current USA$289.99$246.49Custom color from your couch. Now you can shift the color of your aquatic environment without shifting your body with the industry’s first freshwater-optimized, full spectrum RGB+White aquarium light with wireless remote control. Super bright 6500K... -
On Sale 15%
River Brown Manzanita Multi Branch 22" with Weighted Base (7394) - Current USA
Current USA$24.95$21.21River Brown molded Manzanita driftwood branches add style, color, and depth to virtually any aquarium. Molded from actual curated pieces of Manzanita wood, its flexible, dense forking branches add a lifelike piece of nature to any aquarium. Combine... -
On Sale 15%
Orbit Marine NANO LED Light w/Gooseneck Mount & Dynamic Controller - Current USA
Current USA$59.99$50.99The perfect light for any Nano aquarium up to 25 gallons! Designed for Saltwater aquariums but it will also work great with freshwater tanks. Producing eye-popping color and amazing color rendition, dynamic color control with... -
On Sale 42%
(USED) Syncra "Silent" Pump Model 4.0 (952 gph) 12.6 ft. Head - Sicce
Sicce$169.99$97.99USED - TESTED - WORKS The Syncra Silent is new range of energy efficient pumps that is absolutely silent. Don't be fooled - these pumps are powerful and versatile. Ideal for fresh and salt water aquariums, protein skimmers, indoor fountains,... -
On Sale 15%
Live Aragonite Coarse Reef Sand 1-3mm (6.6 lb) Outstanding Selections - Two Little Fishies
Two Little Fishies$15.99$13.59Special Reef Sand is a a coarse mix of 1-3 mm size aragonite sand sustainably harvested from pristine sites in the Western Pacific and Caribbean. Sterilized then packaged with live BioPronto, naturally occurring beneficial microorganisms that help to... -
On Sale 10%
(USED) 800 Watt THH-0800 Titanium +Sensor w/Guard (140-265 Gallon) - Finnex
Finnex$72.99$65.99USED-TESTED-WORKS This Heating Element Required a Heating Controller to Operate! - https://www.saltwateraquarium.com/hc-810m-digital-temperature-controller-up-to-800-watts-finnex/ The THH heater series are designed to be used with an external... -
On Sale 15%
Osmolator 3 Automatic Water Top Off (ATO) 3154 - Tunze
Tunze$229.99$195.49Straightforward 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 in seawater aquariums. Incl. Turbelle® High... -
On Sale 10%
(OPEN BOX) SICCE Scuba 400 Watt Contactless App Adjustable Aquarium Fish Tank Heater Smartphone Controlled via NFC
Sicce$59.99$53.99UNUSED - TESTED - WORKS Innovative heater range equipped with PATENTED "contactless" temperature electronic control. The easiest and most immediate way to set the temperature of the heater, just hold the... -
On Sale 11%
(OPEN BOX) eFlux Dual 2100gph Wave Pump Kit with Wireless Control (6015) - Current USA
Current USA$216.95$193.99UNUSED CUSTOMER RETURN Mimic pulsing waves surging water currents and adjust flow wirelessly with eFlux wave pump kits. Running virtually silent, they use safe direct current (DC) and are completely controllable, generating multiple modes of water... -
CoralVue HYDROS 1' One Foot System Command Bus Cable (DATA+Power)
Hydros$5.99This 1 foot long HYDROS System Command Bus Cable allows HYDROS devices to communicate and even provide power to the Control 2 and Control 4. -
On Sale 15%
Christmas Holiday POP Stand/Ornament - PNW Custom
PNW Custom$14.99$12.74PNW Custom Ornament Pop stand. You can hang it on your tree and show off your aquarium decor around your house, or use it in the tank for a festive accent! With holiday spirit cut outs including mistletoe and fall trees on the legs, as well as topped... -
4" x 10" Hybrid Filter Sock LONG - Pro Clear Aquatic Systems
Pro Clear Aquatic Systems$15.99This Hybrid Filter Sock allows water to flow freely while still pulling out up to 200 micron small particles. Does a great job cleaning but won't get clogged as easily as regular socks. Long Sock - 4" Diameter x 10" Length -
On Sale 11%
(OPEN BOX) MA955 Solenoid Valve for Co2 Dosing - Milwaukee Instruments
Milwaukee Instruments$38.00$33.99UNUSED CUSTOMER RETURN The solenoid valve is an accessory for the MC122 and the MC125 to automate your dosing of CO2 and makes sure that the plants of your aquarium are always healthy. MA955, solenoid valve, is supplied with 1.5 m cable. -
On Sale 20%
(OPEN BOX) Manzanita Multi Branch Moss Green 22" with Weighted Base (7396)- Current USA
Current USA$24.95$19.96OPEN - NO FACTORY BOX Moss Green molded Manzanita driftwood branches add style, color, and depth to virtually any aquarium. Molded from actual curated pieces of Manzanita wood, its flexible, dense forking branches add a lifelike piece of nature... -
On Sale 24%
(OPEN BOX) Aquasky (24"-36") Bluetooth Aquarium LED - Fluval
Fluval$104.99$79.99Operated exclusively via the FluvalSmart App on your mobile device, Aquasky allows you to control the light output of red, green blue and super bright 6500K white LEDs for infinite color blends. Programmable, gradual 24-hour light cycle settings... -
(PS-24-100) COR Pump Replacement Power Supply - Neptune Systems
Neptune Systems$69.99OEM 100W power supply for the COR-20 Return Pump -
On Sale 15%
Legacy Heather Gray Rubber Patch Hat (L/XL) w/Velcro Back - SaltwaterAquarium.com
SaltwaterAquarium$29.99$25.49Free on Orders of $500 or More! L/XL (7 1/8” - 7 5/8”) Pacific Headwear Legacy Reclaim Baseball CapThe tried-and-true Trucker Snapback from Pacific Headwear is the definition of trucker mesh royalty. Featuring a pro-stitched finish and... -
On Sale 15%
Camo/White Trucker Rubber Patch Hat (L/XL) - SaltwaterAquarium.com
SaltwaterAquarium$29.99$25.49Free on Orders of $500 or More! L/XL (7 1/8” - 7 5/8”) Pacific Headwear 104C Trucker Mesh Baseball CapThe tried-and-true Trucker Snapback from Pacific Headwear is the definition of trucker mesh royalty. Featuring a pro-stitched finish and... -
On Sale 18%
Sicce Black String Backpack Bag - Fluval
Sicce$9.99$8.19Sicce Black Backpack String Bag with Zipper -
Fluval Christmas Tree Ornament Shatterproof (FREE Over $100)
Fluval$4.99THIS ORNAMENT IS FREE WITH ANY ORDER OVER $100. JUST ADD $100 WORTH OF PRODUCTS TO YOUR CART AND ADD ONE OF THESE AND IT WILL BE FREE. 'Tis the season to advertise your message on Holiday Ornaments. These Shatterproof Ornaments are proudly made in... -
Captive-Bred Red Mandarin (Synchiropus splendidus) - ORA
ORA$72.99The Red Mandarin is a rare variation of the Blue Mandarin that differs by having a brilliant red body and almost entirely red pelvic and pectoral fins. It is a member of the family Callionymidae that grows to a maximum length of 4”. They originate... -
On Sale 15%
Reef Hobbyist Magazine (4th Qtr 2023)
SaltwaterAquarium$4.99$4.24FREE ON ORDERS OF $100 OR MORE! Provide FREE cutting-edge reef-keeping information to hobbyists to encourage responsible reef-keeping and sustainability of our hobby. Reef Hobbyist Magazine is a reef-focused magazine that teaches hobbyists of all... -
On Sale 15%
PE Mysis Saltwater Flakes (35 g) – Piscine Energetics
Piscine Energetics$9.49$8.07PE Flakes are a highly palatable, nutritionally complete fish food designed to enhance coloration and induce an energetic feeding response in all varieties of fish. Both saltwater and freshwater PE Flakes contain fresh PE Mysis as the leading ingredient... -
On Sale 10%
(OPEN BOX) Orbit Marine R24 PRO (95 Watt) Bluetooth Aquarium Light w/Mount (4440) - Current USA
Current USA$329.95$296.99UNUSED CUSTOMER RETURN 95 Watts = HIGH PAR - 250+ PAR at 24" Bring your reef to a whole new level with the R24 PRO LED. Delivering a light intensity and color spectrum specifically for corals, it provides optimal growth, eye-popping color... -
On Sale 15%
Golden Ramen Torch WYSIWYG (2"+) - SAQ Coral Farm
Saltwater Coral Farm$599.99$509.99Golden Ramen Torch Coral (2"+) in size. Pictured coral is “WYSIWYG”. If you are looking to start buying coral online to add to your reef tank, this is the best choice. Torch coral are stationary. A vibrant coral with many different... -
On Sale 15%
Bowser Chalice WYSIWYG (1.5"+) - SAQ Coral Farm
Saltwater Coral Farm$79.99$67.99Bowser Chalice coral (1.5"+) in size. Pictured coral is “WYSIWYG”. If you are looking to start buying coral online to add to your reef tank, this is the best choice. Chalice coral are a stationary. A vibrant coral with many different... -
On Sale 15%
Season's Greetings Montipora (3/4" - 1") - SAQ Coral Farm
Saltwater Coral Farm$69.99$59.49Coral pictured is very close to WYSIWYG. If you are looking to start buying coral online, to add to your aquarium, this is a great beginner Small Polyp Stoney coral. Season's Greetings montipora has a mint green structure with bright orange polyps. A... -
HYDROS Kraken 22V Force Port Cable - HYDROS
Hydros$14.99This HYDROS Force Port Adapter Cable (72 inches long) is designed to directly connect the Kraken to power popular 24V aquarium equipment. The eight available orange 24V Force Ports on the Kraken can power DC pumps, lights, or any device where the power... -
HYDROS Kraken 12V Drive Port Cable - HYDROS
Hydros$14.99This HYDROS Drive Port Cable (72 inches long) is designed to connect to an available Drive port on a Kraken, X2, X4, XD, or other HYDROS Control directly to power small 12V devices such as ATO pumps, cabinet LED lights, fans, solenoids, and steering... -
HYDROS Kraken Force Port Power Cable (4 Pin WE/WELE/X10) - HYDROS
Hydros$14.99This HDYROS Force Port Power Cable is used to connect the Kraken to power a WaveEngine LE, WaveEngine, XD, or Control X10. This 6ft cable has two 4-pin GX12-4 fittings. One end attaches to any of the 8 Force Ports on the Kraken and the other end to the...