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On Sale 10%
On Sale 10%(OPEN BOX) Turbelle Nanostream 6015 (10 - 55 Gal) - Tunze
Tunze$49.99$44.99UNUSED - TESTED - WORKS In 2006, TUNZE® developed the “nanostream®” concept. The Turbelle® nanostream® is a compact propeller pump for nano and medium-sized aquariums, and able to convince through its organic ball-shaped... -
On Sale 10%
On Sale 10%(OPEN BOX) 24" x 24" (LID) DIY SafeScreen Aquarium Mesh Screen Lid - Innovative Marine
Innovative Marine$48.00$42.99UNUSED CUSTOMER RETURN DIY SafeScreen - We’ve Got You Covered Provide protection for your livestock and encase any aquarium with this complete Do-It-Yourself mesh screen lid kit. Glass lids trap in heat, do not allow proper evaporation and build... -
On Sale 39%
On Sale 39%(OPEN BOX) 24" Planted+ 24/7 HLC Silver Aquarium LED - Finnex
Finnex$69.99$42.99USED CUSTOMER RETURN When power and style combine The Finnex HLC series is the slimmest series yet solidly built in a eye catching aluminum hood. Featuring a unique four bulb cluster of 8,000K Daylight, Red, Blue, and Green LEDs - the HLC series... -
On Sale 11%
On Sale 11%(DAMAGED BOX) Aqua Pure - High Capacity Mixed Bed DI Resin 4 lbs (2500 ml) - NYOS
NYOS$44.99$39.99DAMGED JUG - MEDIA UNTOUCHED AND STILL SEALED Ensure your aquarium foundation is built on water of the highest purity with Nyos Aqua Pure. This professional-grade mixed-bed deionization (DI) resin is designed to work as the final stage of your Reverse... -
On Sale 11%
On Sale 11%(OPEN BOX) AQUA FILTRA 10 Hang on Back Aquarium Filter - Sicce
Sicce$44.99$39.99UNUSED CUSTOMER RETURN Sicce AQUA FILTRA 10 Hang-On-Back Filter Professional Grade Filtration for Your Nano Aquarium Discover the perfect fusion of compact design and powerful performance with the Sicce AQUA FILTRA 10. This premium hang-on-back filter... -
On Sale 27%
On Sale 27%(EXPIRED) Coral Sprint (175 g - 6.17 oz) SPS/LPS/NPS Coral Food - Fauna Marin
Fauna Marin$54.99$39.99EXPIRED 2/2025 Fauna Marin Coral Sprint is a premium grade marine Bacterioplankton substitute for feeding corals in ULNS systems. Premium grade marine Bacterioplankton substitute for feeding corals in ULNS systems. Dosing... -
On Sale 11%
On Sale 11%(OPEN BOX) SICCE Scuba 150 Watt Contactless App Adjustable Aquarium Fish Tank Heater Smartphone Controlled via NFC
Sicce$44.99$39.99UNUSED CUSTOMER RETURNInnovative 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 Sicce... -
On Sale 9%
On Sale 9%(OPEN BOX) SICCE Scuba 200 Watt Aquarium Fish Tank Heater Preset at 77℉ For Up to 60 Gallons
Sicce$42.99$38.99UNUSED CUSTOMER RETURN SCUBA PRESET is a submersible electronic heater pre-set to 77°F / 25°C to ensure a perfect, consistent temperature for your aquarium with a 5 year warranty. They can be installed in all types of aquariums to... -
On Sale 29%
On Sale 29%(EXPIRED) 11/25- Phosphate Pro Test Kit (PO4) - 100 Tests - Red Sea
Red Sea$54.99$38.99EXPIRED 11/25 Red Sea’s Phosphate Pro Test Kit is an advanced colorimetric test with comparator, measuring the level of phosphate in your reef aquarium to an exceptionally high accuracy of 0.02ppm PO4. Phosphate Pro Test Kit, when used in... -
On Sale 10%
On Sale 10%(OPEN BOX) SICCE Scuba 50 Watt Contactless App Adjustable Aquarium Fish Tank Heater Smartphone Controlled via NFC
Sicce$39.99$35.99UNUSED CUSTOMER RETURNInnovative 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 Sicce... -
On Sale 10%
On Sale 10%(OPEN BOX) SICCE Scuba 300 Watt Aquarium Fish Tank Heater Preset at 77℉ For Up to 90 Gallons
Sicce$39.99$35.99UNUSED - TESTED - WORKSSCUBA PRESET is a submersible electronic heater pre-set to 77°F / 25°C to ensure a perfect, consistent temperature for your aquarium with a 5 year warranty. They can be installed in all types of aquariums to... -
On Sale 45%
On Sale 45%(EXPIRING 02/25) Compact Lab - Essentials Test Kit (5 Parameters) - Tropic Marin
Tropic Marin$63.64$34.99EXPIRING 02/2025 The test set Tropic Marin® Compact Lab includes all the important tests for prompt and precise determination of water values. The pH value, alkalinity, phosphate level, nitrite and nitrate content as well as the ammonia... -
On Sale 8%
On Sale 8%(OPEN BOX) ReefDose Deluxe 4-Color Tube Kit (Red/Yellow) - Red Sea
Red Sea$37.95$34.99UNUSED CUSTOMER RETURN Deluxe 4-color tube kit Everything required to connect a dosing pump in one convenient kit. Available in 2 color versions (blue/green and red/yellow), providing 8 unique colors for easily identifying a full range of... -
On Sale 11%
On Sale 11%(OPEN BOX) SICCE Scuba 100 Watt Aquarium Fish Tank Heater Preset at 77℉ For Up to 35 Gallons
Sicce$36.99$32.99UNUSED- TESTED - WORKS SCUBA PRESET is a submersible electronic heater pre-set to 77°F / 25°C to ensure a perfect, consistent temperature for your aquarium with a 5 year warranty. They can be installed in all types of aquariums to... -
On Sale 11%
On Sale 11%(OPEN BOX) LED Gooseneck Clamp/Mount - Kessil
Kessil$35.00$30.99UNUSED _ ALL PIECES PRESENT The Kessil LED Light Pendant Gooseneck Clamp/Mount is a versatile mounting option that allows you to customize the positioning of your Kessil LED Fixtures. Will work with all Kessil lights we sell (A150W, A160W, A360W,... -
On Sale 14%
On Sale 14%(OPEN BOX) Jolly Preset 25 Watt (up to 6.6 gal) - Sicce
Sicce$34.99$29.99UNUSED CUSTOMER RETURN Jolly Preset Heaters have an Auto Shut Off feature that automatically turns the heater off when temperature is reached. JOLLY plastic heaters are designed for small freshwater, marine and turtles tanks. Their plastic casing... -
On Sale 12%
On Sale 12%(OPEN BOX) Reef Foundation A Dry - Calcium (CA) (1 KG) Powder - Red Sea
Red Sea$33.99$29.99UNUSED CUSTOMER RETURN Calcium+ Supplement Calcium and Strontium complex for balanced formation of the coral skeleton It’s all in the balance Calcium, Magnesium, Strontium and Carbonate are the basic foundation elements of coral skeletons... -
On Sale 25%
On Sale 25%(OPEN BOX) SHARK PRO NANO 320 Internal Aquarium Filter (85 gph) - Sicce
Sicce$39.99$29.99UNUSED CUSTOMER RETURN Having adequate filters for a small size aquarium is crucial to keep the livestock healthy. With the new SHARK PRO NANO we are offering the best compact option with EXTRA flow and MAX filtration capacity for small aquariums. Two... -
On Sale 15%
On Sale 15%Black Slotted Frag Plugs (50 pcs) - Ecotech Marine
Ecotech Marine$35.17$29.99Unique Slotted Design High Quality PH Neutral Ceramic Optimized for Egg Crate racks and rock structures Porous composition promotes strong adhesion using coral glue Legs provide space to easily secure rubber bands for soft coral... -
(DISCONTINUED) Jolly 20 Watt Aquarium Heater - Sicce
Sicce$29.99JOLLY plastic heaters are designed for small freshwater, marine and turtles tanks. Their plastic casing makes them very durable and safe. These heaters can be placed beneath the gravel, making them a good choice for turtle or reptile tanks. JOLLY is... -
MarcoRocks Reef Saver Premium Rock RUBBLE (10 lb) Box - Marco Rock
MarcoRocks$28.9910lb Box of RUBBLE 8x8x8 Box of Marco/Stax Rubble (Mixed) Marco ReefSaver is a natural rock that is harvested on land from an ancient reef system buried when the Florida land mass was formed. Whether you are building a Saltwater fish only, a... -
On Sale 12%
On Sale 12%(OPEN BOX) MI Mouse Pump (82 gph 1.8' Head) - Sicce
Sicce$24.99$21.99UNUSED CUSTOMER RETURN Mi Mouse is a pump with excellent performance. Ideal for use in small spaces thanks to its compact dimensions. A totally submersible pump driven by a permanent magnet induction motor. Mi Mouse has variable adjustment of the water... -
On Sale 33%
On Sale 33%(DAMAGED) (SMALL) Mini Real Reef Turbinaria Cup Plate Coral Rock (1 piece) - Real Reef
Real Reef$29.99$19.99DAMAGED ** Each Cup is PHOTO Similar, but Different ** Weight: Approximately 1-2 lbsSize: Approximately 4 x 4 x 2.5 inchesEach rock is unique, weight and size may vary. Real Reef Branch Rock is our version of the Tonga Branch rock that use to be... -
On Sale 41%
On Sale 41%(USED) HTG Glass Heater with Protective Guard (50W) - Aquatop
Aquatop$33.99$19.99USED - TESYED - WORKS The HTG Series is our premier line of fully submersible glass heaters with thermostat control. Our HTG heaters offer a compact design for versatile placement and are extra durable due to the built-in glass element. The thermostat... -
On Sale 49%
On Sale 49%(OPEN BOX) BioDome Premium Ceramic Filter Media (3L) - Fritz
Fritz Aquatics$39.19$19.99FritzZyme BioDome ceramic filter media is essential for increasing the surface area for nitrifying bacteria to colonize and reduce buildup of toxic ammonia and nitrite. Its compact size and shape allows for more surface area in less... -
On Sale 33%
On Sale 33%(OPEN BOX) SHARK PRO NANO 250 Internal Aquarium Filter (65 gph) - Sicce
Sicce$29.99$19.99OPEN BOX RETURN Having adequate filters for a small size aquarium is crucial to keep the livestock healthy. With the new SHARK PRO NANO we are offering the best compact option with EXTRA flow and MAX filtration capacity for small aquariums. Two models... -
On Sale 20%
On Sale 20%(OPEN BOX) Nano Micron Internal Aquarium Filter - Sicce
Sicce$24.99$19.99OPEN BOX - TESTED - WORKS - LIKE NEW MICRON is an internal filters for starter kits, turtle kits and small aquariums. They are integrated with an antiwear device and an exclusive water flow control system which allows filtering to be adjusted on the... -
On Sale 39%
On Sale 39%(DISCONTINUED) HPC 100 Watt Digital Quartz Glass Heater w/Guard - Finnex
Finnex$32.99$19.99The HPC heater series is a glass heater that uses an advanced digital processor that monitors and controls the water temperature in your aquarium. The heating controller receives temperature data from the remote sensor in the aquarium. The remote... -
On Sale 50%
On Sale 50%(DAMAGED) Real Reef Turbinaria Cup Plate Coral Rock (1 pc) - Real Reef
Real Reef$39.99$19.99DAMAGED ** Each Cup is PHOTO Similar, but Different ** Real Reef Branch Rock is our version of the Tonga Branch rock that use to be imported from the Kingdom of Tonga for many years, before getting banned for destructive collection practices... -
On Sale 23%
On Sale 23%(EXPIRED) Reef Energy AB+ Plus Coral Food (250 ml) - Red Sea
Red Sea$21.99$16.99EXPIRED 10 2025 An all-in-one superfood that will have your corals thanking you, delivering better growth, higher resilience, brighter colors, greater ease of use with automatic dosers, and minimal over skimming. Based on our... -
On Sale 25%
On Sale 25%(OPEN BOX) Control Unit Link Extension Cable (6') - Kessil
Kent Marine$19.99$14.99UNUSED CUSTOMER RETURN Extender cable for either between two lights or between a controller and a light. Part Number - KA360CE Length - 6' (1.8 m) without connectors Plug Types - 1/8" (3.5 mm) stereo male phono plug to 1/8" (3.5 mm) stereo female... -
10" TrueLumen Aquatic LED Strip Light (2x 12,000K & 2x Rose) - Current USA
Current USA$14.99Replicating the dynamic natural qualities of sun and moon lighting, the TrueLumen LED Strips combine life-sustaining wavelengths of light with the efficiency of LED technology into a low profile, sleek lighting system. The powerful LED chips add the... -
10" TrueLumen Aquatic LED Strip Light (4x Pink) - Current USA
Current USA$14.99Replicating the dynamic natural qualities of sun and moon lighting, the TrueLumen LED Strips combine life-sustaining wavelengths of light with the efficiency of LED technology into a low profile, sleek lighting system. The powerful LED chips add the... -
On Sale 28%
On Sale 28%(OPEN BOX) ChemiClean - 2 Gram Powder - Remove Red Slime Algae (Cyanobacteria) - Boyd
Boyd$17.99$12.99UNUSED CUSTOMER RETURN Chemiclean cleans stains from red, black, blue-green, and methane (bubble) producing cyanobacteria in marine aquariums. It is completely safe for all fish, corals, invertebrates, and nitrifying bacteria in reef systems... -
On Sale 49%
On Sale 49%(EXPIRED 5/25) KH Pro Alkalinity Test Professional - Tropic Marin
Tropic Marin$25.45$12.99EXPIRED 5/2025 The carbonate hardness (KH)* or alkalinity* of a water sample characterizes the buffering ability, ie the ability to maintain the pH value of the water. It is largely determined by the proportion of hydrogen carbonate ions in the... -
On Sale 50%
On Sale 50%(EXPIRED 8/25) Apex CD3 Crossover Diet Food - (3 oz) Pouch - Neptune Systems
Neptune Systems$19.99$9.99EXPIRED 8/25 The Crossover Diet from Neptune Systems is a new type of food that was designed specifically for coral reef tanks and specifically for automatic feeding systems. Working closely with Reed Mariculture (the manufacturer of Reef Nutrition... -
On Sale 33%
On Sale 33%(OPEN BOX) SHARK PRO Module with Sponge - Sicce
Sicce$14.99$9.99BOX DAMAGED - UNIT FINEThe 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... -
453nm Actinic Blue Moonlight LED - Truelumen
Current USA$9.99Connects to a Standard 12V Power Supply (Sold Separately) Watt: 0.25 Watts LED: 3x LED -
On Sale 50%
On Sale 50%(EXPIRED 3/26) Marine Flakes (40g - 1.41 oz) - Vitalis
Vitalis$15.49$7.75EXPIRED 3/26 Our Marine Flakes deliver a palatable and highly digestible balanced feed. Our public aquarium diets are a complete feed for fish. Marine Flakes incorporate a unique formulation of marine proteins, including whole fish meal and a... -
On Sale 50%
On Sale 50%(EXPIRED 3/26) Vitalis Freshwater Tropical Flakes 40g (1.41oz) - Vitalis
Vitalis$11.99$5.99EXPIRED 3/26 Our Tropical Flakes deliver a palatable and highly digestible balanced feed. Our public aquarium diets are a complete feed for fish. Formulated with our key nutritional ingredients, a blend of algae and a tailored balance of vitamins...