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On Sale 37%
(CLEARENCE) 18" - 24" White Serene Sun RGB+W Freshwater LED Light (4220) - Current USA
Current USA$159.95$99.99An 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 9%
(OPEN BOX) Ultra Zero Utility Water Mixing Pump - Sicce
Sicce$109.99$99.99UNUSED _ TESTED _ WORKS The Sicce ultra zero utility pump is scientifically designed for pumping cloudy water without a large debris content. This multi-purpose pump is ideal for solving many issues associated with domestic hydroponic and aquatic... -
On Sale 9%
(OPEN BOX) Sea Marine Nano (5" x 5") Bluetooth LED (20 watt) - Fluval
Fluval$109.99$99.99Brand new open box Operated exclusively via the FluvalSmart App on your mobile device, Marine Nano LED is designed to help you grow brighter, more robust corals in a small saltwater aquarium. Programmable, gradual 24-hour light cycle settings... -
(DAMAGED) Real Reef FANCY Fingers Branch Rock (10lb) Box - Real Reef
Real Reef$99.99DAMAGED ROCK - ASSORTMENT OF ENDS AND BRANCHES WITH BROKEN STUBS 10 TOTAL POUNDS OF ROCK ***Photo is an EXAMPLE of the Pieces - not the exact same ones you will get Real Reef Branch Rock is our version of the Tonga Branch rock that use to be... -
On Sale 13%
(USED) PhosBan Reactor 550 Large - Two Little Fishies
Two Little Fishies$115.21$99.99USED - TESTED - WORKS The PhosBan Reactor 550 is designed with the upflow principle to achieve the most efficient use of PhosBan® or other chemical filter media. By pushing water from the bottom upward through a dispersion plate, it forces an even... -
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 39%
(USED)Orbit Marine LED Fixture 36"- 48" (Gen 1) w/LOOP Control (4102) - Current USA
Current USA$159.99$96.99USED - TESTED - WORKS This is the Original Gen 1 Orbit Marine LED Now with LOOP Control. Perfect for Fish Only Aquariums and Soft Corals. Right from the start, there’s a lot to love about the Orbit Marine. It’s simple, yet fully... -
On Sale 40%
(USED) Digital Brix (SUGER) Refractometer MA871 - Milwaukee
Milwaukee Instruments$153.00$91.99USED - TESTED - WORKSThe MA871 is an optical instrument that employs the measurement of refractive index to determine the % Brix of sugar in aqueous solutions. The method is both simple and quick. Samples are measured after a simple user calibration with... -
On Sale 39%
(USED) Aquasky (48"-60") Bluetooth Aquarium LED - Fluval
Fluval$149.99$90.99USED - TESTED - WORKS Operated 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... -
On Sale 10%
(OPEN BOX) Syncra "Silent" Pump Model 2.0 (568 gph) 7.9 ft. Head - Sicce
Sicce$99.99$89.99UNUSED CUSTOMER RETURN 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 10%
(OPEN BOX) eFlux LOOP Wave Pump 1050 GPH (Complete Kit) - Current USA
Current USA$99.99$89.99UNUSED - TESTED - WORKS Wireless wave pump systems include eFlux wave pump, magnetic swivel bracket, eFlux Wave Pump LED display with IR remote control, eFlux Wave Pump manifold HUB (connects up to 3 eFlux pumps), prefilter pad and 24VDC power supply... -
On Sale 9%
(OPEN BOX) WHITE 4-12 Media Chamber Reactor - Bashsea
Bashsea$99.00$89.99UNUSED CUSTOMER RETURN WHITE FITTINGS ON UNIT The perfect multi-media aquarium reactor. Extra large design allows for high media volumes, while producing even flow to maximize water-media contact time... -
On Sale 10%
(OPEN BOX) Orbit Marine 18"- 24" IC LOOP LED - Current USA
Current USA$99.99$89.99UNUSED CUSTOMER RETURN High output saltwater reef lighting systems include wireless remote control, IR light & pump controller, IC light manifold HUB 12VDC power supply and adjustable docking mounts. Fully upgradeable to Bluetooth for mobile device... -
On Sale 10%
(OPEN BOX) eFlux LOOP Accessory Wave Pump 2100 GPH (Pump Only) - Current USA
Current USA$99.99$89.99UNUSED CUSTOMER RETURN Movement SynchronizedSimulating natural water currents found on coral reefs, eFlux™ controllable wave pumps provide tank wide circulation, improving water quality and promoting strong coral growth and fish health... -
(OPEN BOX) Orbit Marine IC LOOP (18"- 24") Accessory LED Light Fixture ONLY - Current USA
Current USA$89.96UNUSED CUSTOMER RETURN This light fixture is an accessory LED light for existing Orbit IC LED systems with a LOOP® controller. It cannot be used as a stand-alone light fixture and must be connected to an Orbit IC light manifold HUB with a... -
On Sale 39%
(USED) Orbit Marine LED Fixture 24"- 36" (Gen 1) w/LOOP Control (4101) - Current USA
Current USA$139.95$84.99USED CUSTOMER RETURN This is the Original Gen 1 Orbit Marine LED Now with LOOP Control. Perfect for Fish Only Aquariums and Soft Corals. Right from the start, there’s a lot to love about the Orbit Marine. It’s simple, yet fully... -
On Sale 40%
(USED) A80 Tuna Sun Freshwater/Planted Aquarium LED - Kessil
Kessil$139.00$83.99USED - TESTED - WORKS DesignInnovative heat dissipation allows for fanless, low maintenance, shell-shaped design. Advanced optics create smooth color mixing and a beautiful shimmer.Dense Matrix LED ArrayOur unique, efficient Dense Matrix LED array is... -
On Sale 40%
(USED) Whale 200 Aquarium Canister Filter 25-50 Gal (190 gph) - Sicce
Sicce$139.99$83.99USED - TESTED - WORKSWhale External Aquarium FilterSicce has been manufacturing industry-leading pumps for years. Recently, we challenged our engineers to develop a canister filter that offers exceptional value to customers without sacrificing quality or... -
On Sale 40%
(USED) H80 Tuna Flora LED Refugium Grow Light - Kessil
Kessil$139.00$83.99USED - TESTED - WORKS The H80 Tuna Flora features four efficient spectrums - BLUE, GROW, BLOOM, RED - in one single fixture. The light is perfectly blended, with wavelengths including true UV and Infrared (ranging from 360-780 nm), enhancing... -
On Sale 38%
(USED) Sicce PSK 1000 Replacement Skimmer Pump
Sicce$134.99$83.99USED - TESTED - WORKS SICCE PSK Protein Skimmer Pumps Engineered from the ground up for superior performance, cooler operation, and low noise. A skimmer is only as good as the pump. PSK1000 - 1000 gph -
On Sale 9%
(OPEN BOX) 72" Serene Background LED Light Kit (3154) - Current USA
Current USA$87.95$79.99UNUSED 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... -
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... -
On Sale 11%
PURE Reef Salt Mix (20kg Bucket) - NYOS
NYOS$89.99$79.99PURE, Trustworthy, & Consistent Ultra-pure, pharmaceutical grade ingredients No yellow tinge Quick solubility Consistent quality Near-natural mineral levels Improves color, growth, and polyp expansion of corals ICP controlled and... -
(DAMAGED) FLEX 57L 15 Gallon Aquarium Stand Black (16.3 x 14.4 x 29.5 in) - Fluval
Fluval$79.99DAMAGED IN PALLET SHIPPING - NICKS AND SCUFFS This stylish aquarium stand is designed to coordinate seamlessly with the Fluval Flex 57L aquarium (Item #15006). Classic, stylish black colour. Curved stand follows the smooth contours of... -
On Sale 11%
(OPEN BOX) 60" x 31" Customizable DIY Aquarium Screen Net Cover Kit (R42083) - Red Sea
Red Sea$89.99$79.99UNUSED CUSTOMER RETURN Customizable DIY Aquarium Net Cover COMES UNASSEMBLED IN A TUBE - YOU MUST CUT AND BUILD THIS YOURSELF STOCK PHOTO SHOWS WHAT CAN BE DONE WITH EXTRA PARTS SOLD SEPARATELY - THIS KIT ONLY MAKES A MAX SIZE RECTANGLE... -
On Sale 20%
Aquatrance Water Circulation Pump AQ3000 - Reef Octopus
Reef Octopus$99.99$79.99Efficient water pumps provide exceptional performance at an economical price. Great for return pumps and/or feed pump for media reactors. Max Flow: 925gph /Max Head: 9ft Great for Feeding Flow to Reactors and Recirculating... -
On Sale 39%
(USED) Orbit Marine LED Fixture 18"- 24" (Gen 1) w/LOOP Control (4100) - Current USA
Current USA$129.95$78.99USED - TESTED - WORKS This is the Original Gen 1 Orbit Marine LED Now with LOOP Control. Perfect for Fish Only Aquariums and Soft Corals. Right from the start, there’s a lot to love about the Orbit Marine. It’s simple, yet... -
On Sale 9%
(DAMAGED BOX) Reef Salt (55 lb - 200 Gallons) Bag - Aquaforest
Aquaforest$82.49$74.99BAG DAMAGED AND TAPED, REBOXEDFully synthetic marine salt created for cultured corals. Its formula is designed to create the best conditions for marine animals. The micronutrients and macronutrients contained in the formula fully fulfill the demand of... -
On Sale 10%
(OPEN BOX) Micro Aquarium Auto Top Off ATO - PNW Customs
PNW Custom$79.99$71.99UNUSED CUSTOMER RETURN The Micro Aquarium Auto Top Off is designed to fit in the Micro Reef-Ready Tank sump, Small-In-One Aquarium, and just about every other tank sizing up to 40 gallons. An Auto Top Off will significantly boost your tank's stability... -
On Sale 40%
(USED) Sicce PSK 600 Replacement Skimmer Pump
Sicce$119.99$71.99USED - TESTED - WORKS SICCE engineer their skimmer pumps SK & PSK from the ground up to run with maximum efficiency, low heat and reliability to produce pumps that are beyond compare. Every component of the entire pump, not just the... -
On Sale 40%
(USED) PINPOINT ORP Monitor - American Marine
American Marine$114.99$68.99USED - CUSTOMER RETURN - TESTED- CALIBRATED- WORKS 100% PINPOINT® ORP Monitor will measure the ORP (oxidation-reduction potential, or REDOX) of your system. It is popular with those who use ozone gas or potassium permanganate as an artificial... -
On Sale 9%
(OPEN BOX) SHARK PRO 900 Internal Filter (238 gph) - Sicce
Sicce$74.99$67.99UNUSED - TESTED - WORKSThe new Shark PRO is a completely redesigned internal filter. The new models come with upgraded materials and Innovative design. The new Shark PRO stands alone with unique magnetic system and larger filtration capacity... -
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 8%
Sea Salt Mix Bucket (Makes 160 Gallons) - Instant Ocean
Instant Ocean$71.99$65.99Instant Ocean® Sea Salt is the most carefully formulated and universally preferred sea salt in the world. The #1 choice of hobbyists, public aquariums, and scientific research facilities, Instant Ocean Sea Salt has set the industry standard for... -
On Sale 39%
(USED) Aquasky (24"-36") Bluetooth Aquarium LED - Fluval
Fluval$104.99$63.99USED - TESTED - WORKS Operated 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... -
On Sale 10%
(OPEN BOX) (1-3 Lights) AI Blade Hanging Kit - Aquaillumination
AquaIllumination$69.99$62.99UNUSED CUSTOMER RETURN A Sleek & Easy Way to Hang your Blade LED Strips! Compatible with all versions of Blade Three available sizes to hang up to 6 Blade light fixtures Finding a mounting solution that works for your aquarium and lighting... -
On Sale 10%
(OPEN BOX) WHITE Hybrid T5HO Light Fixture Hanger - 10 lb Max - Aquatic Life
Aquatic Life$69.99$62.99UNUSED CUSTOMER RETURN Aquatic Life's Universal & Hybrid Fixture Hanger is a premium mounting option that allows you to suspend aquarium light fixtures over your tank and easily attaches to your aquarium stand. Use for Aquariums or Indoor Gardening... -
On Sale 10%
(DAMAGED BOX) Syncra "Silent" Pump Model 1.5 (358 gph) 6 ft. Head - Sicce
Sicce$69.99$62.99BOX CRUNCHED - PUMP UNTOUCHED 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 9%
(OPEN BOX) eFlux LOOP Accessory Wave Pump 660 GPH (Pump Only) - Current USA
Current USA$67.96$61.99UNUSED - TESTED - WORKS Movement SynchronizedSimulating natural water currents found on coral reefs, eFlux™ controllable wave pumps provide tank wide circulation, improving water quality and promoting strong coral growth and fish health... -
On Sale 40%
(USED) Orbit Marine 18"- 24" IC LOOP LED (4104) - Current USA
Current USA$99.99$59.99USED - TESTED - WORKSHigh output saltwater reef lighting systems include wireless remote control, IR light & pump controller, IC light manifold HUB 12VDC power supply and adjustable docking mounts. Fully upgradeable to Bluetooth for mobile device...