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Search Results for Saltwater Aquarium Supplies > Clearance
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Prodibio STRONTI+

Prodibio STRONTI+

Stronti+ adds the strontium needed to stimulate hard coral and clam growth and the production of beneficial coralline algae that colonise the rock decor. Stronti+: Strontium is vital for coral development in closed marine wa...

From $27.99
AquaMaxx Replacement Cup AM & EM Series In-Sump Protein Skimmer

AquaMaxx Replacement Cup AM & EM Series In-Sump Protein Skimmer

Replacement Cup for AquaMaxx AM100 & EM100 Protein Skimmers

From $49.99
Red Sea Aiptasia-X Treatment Kit

Red Sea Aiptasia-X Treatment Kit

Red Sea Aiptasia-X In an exciting development for reef-keepers Red Sea has developed a unique patent pending formula to treat the pest anemones Aiptasia sp., Anemonia majano and Boloceroides sp. Affecting almost every reef aqua...

From $12.99
D-D T5 High Output Fluorescent Lamp

D-D T5 High Output Fluorescent Lamp

A special 60/40 combination of 6000K and 22000K (approx) phosphor blend. It is specifically designed for reef aquariums mimicking sea water to a depth of one to twenty meters. It can be used for growing SPS corals up to 80cm in t...

From $18.99
Insert Elbow Fitting - MPT x Insert

Insert Elbow Fitting - MPT x Insert

Part #: 175103 Size: 1/2" MPT x 1/2" Hosebarb **Variations of this product can be found in many online stores. The version we carry is of the highest quality. Although this item is eligible for price matching under our Low...

From $2.41
AquaMaxx Replacement Cup for Cone & Cone-S In-Sump Protein Skimmer

AquaMaxx Replacement Cup for Cone & Cone-S In-Sump Protein Skimmer

Replacement Cup for AquaMaxx Cone 2 & Cone-S CO-2 Protein Skimmers

From $61.99
Euroquatics E5 Retrofit T5 LED Lamps

Euroquatics E5 Retrofit T5 LED Lamps

Your T5 will never be a T5 again! Euroquatics wanted to go back to the drawing board and change the way people think about T5HO lighting! They wanted to take some of the exciting new technologies they have been exploring, and ...

From $49.99
AquaticLife T5HO Bulb Fluorescent Bulb

AquaticLife T5HO Bulb Fluorescent Bulb

AquaticLife T5 HO Lamp 420/460nm Dual Actinic Visible Hue: ACTINIC/BLUE Kelvin: 420/460nm Length (including pins): 45 3/4” Application: Freshwater, Marine Fish & Corals Ideal for: Acroporas (SPS), Anemones, Clams, Hard Cor...

From $19.99
Danner Mag-Drive Supreme Replacement Impeller

Danner Mag-Drive Supreme Replacement Impeller

Replacement impeller for Danner Mag-Drive Supreme 3 and 5 Pump. Includes impeller shaft and bushings.

From $14.99
Single Union Ball Valve - FPT x FPT

Single Union Ball Valve - FPT x FPT

Part #: 270521 Description: 3/4" FPT Threaded Single Union Ball Valve Note: While this fitting has a union, it is not designed to seal/hold water when the union is removed. The union is primarily for maintenance of the ball valv...

From $25.25
Cobalt Aquatics Accu-Therm Aquarium Heater

Cobalt Aquatics Accu-Therm Aquarium Heater

Cobalt Aquatics Accu-Therm 25 Watt Aquarium Heater Features Fully submersible heater Easy temperature setting Computer tested, accurate ±2°F Triac equipped thermostat Borsilicate glass for superior heat and shock res...

From $27.99
Tropic Marin Sea Salt

Tropic Marin Sea Salt

Makes 50 Gallons of Saltwater The Salt For The Purest Sea Water. Tropic Marin sea salt is manufactured from pharmaceutically pure salts and is based upon the most recent scientific analysis of the tropical oceans. It is fr...

From $25.99
Azoo Titanium Heater

Azoo Titanium Heater

AZOO Titanium Electronic Heater 50 Watt *US Version* Adapts the latest electronic heating control technology. Temperature control range 70~92°F, ±1°F Titanium tube body, free from acid or alkaline corrosion, suitable for both s...

From $39.99
SpectraPure® Standard 60-GPD TFC Membrane

SpectraPure® Standard 60-GPD TFC Membrane

SpectraPure® SpectraSelect™ Membranes are greater than 96% rejection Guaranteed! Hand picked and individually tested for consistent ultra-high rejection and treated with a proprietary process to further enhance rejection & product...

$41.99
Up Aqua Pro 3C Clip On LED Light

Up Aqua Pro 3C Clip On LED Light

The UP Aqua planted aquarium Pro LED 3C light was designed to clip on to small nano aquariums. At 7" long it is great for small planted aquariums or refugiums. The end caps of this light now come in three different colors that ...

From $42.55
Coralife Luft Pump

Coralife Luft Pump

The Coralife Luft Pump produces a high-pressure output perfect for protein skimmers, ozone/oxygen reactors and other high-pressure/high-flow devices. Also suitable for limewood and other airstones, foam filters, corner filters, u...

$64.99
Azoo Plant Grower Bed

Azoo Plant Grower Bed

Azoo Plant Grower Bed - Natural (12 lbs.) Description: The Plant Grower Bed provides a stable nutrient base for aquatic plants to thrive in. The granular structure creates an open network of spaces to allow roots unrestricted...

From $33.99
14000K Metal Halide Bulb - Ushio, Double Ended

14000K Metal Halide Bulb - Ushio, Double Ended

We offer a wide variety of Metal Halide bulb choices to suit your aquarium lighting needs. A Metal Halide Lamp is a high-intensity discharge light source in which the light is produced by the radiation from mercury, plus halides ...

From $59.99
Book Of Coral Propagation Vol. 1 Edition 2 by Anthony Calfo - Hard Cover

Book Of Coral Propagation Vol. 1 Edition 2 by Anthony Calfo - Hard Cover

Now in its sixth printing, the second edition of this pioneer publication is full-format (8.5" X 11") and fully illustrated (~1000 images) and available now in a blaze of color with dramatic images! The Book of Coral Propagation i...

$54.99
Replacement Impellers for AquaMaxx Calcium and ZEO Reactors

Replacement Impellers for AquaMaxx Calcium and ZEO Reactors

Replacement Impeller for AquaMaxx Nano Calcium Reactor and ZR-1 ZEO Reactor

From $23.99
Walt Smith Project ReefRock 2.1 Dry Rock

Walt Smith Project ReefRock 2.1 Dry Rock

The modern aquatic hobbyist now stands on the front line of the battle for the preservation of marine ecosystems and understands how their choices have an impact on life in the ocean and the hobby they love. Over time Walt Smit...

From $59.99
Tom Aquatics Hatch N Feeder

Tom Aquatics Hatch N Feeder

Patented Brine Shrimp Hatchery. Feed live food to your fish, nauplii simply swim out of Hatchery into the aquarium after hatching. The eggs start hatching in about 18 to 24 hours. Hatched shrimp will swim out into the aquarium wat...

$26.49
Flexi Plug Bluetooth Power Switch

Flexi Plug Bluetooth Power Switch

Your Aquarium Butler! Use the Flexi Plug app on your SmartPhone or Tablet as a remote to control the function of your aquarium equipment through this bluetooth powered smart plug. Can be used with lighting fixtures, powerhead...

$64.99
AquaC Collection Cup

AquaC Collection Cup

Replacement Colletion Cup w/ Drain for AquaC Remora/Urchin Skimmer. Please note the replacment collection cup w/ drain will only fit the AquaC Remora/Urchin skimmers that have the drain fitting modification.

From $35.00
Continuum Aquatics Bio-Viv Garlic Concentrated Liquid Food Supplement - 125 ml

Continuum Aquatics Bio-Viv Garlic Concentrated Liquid Food Supplement - 125 ml

Bio•Viv-Garlic Description: Essential Lipid Complex for all Fishes Features: • Concentrated liquid garlic attractant for all fishes • Helps finicky eaters to get an appetite Advantages: Bio•Viv Garlic is made fr...

$27.99
Euroquatics Angel A1/A1P Rail Mounting Kit

Euroquatics Angel A1/A1P Rail Mounting Kit

Rail kit for Angel A1 and A1P LED Light system. Accomodates two Angel LED lights and expands from 24" to 36". Suspension cables and hardware included.

From $49.99
Salifert Strontium 1000 mL

Salifert Strontium 1000 mL

Why is strontium required? Strontium is probably important for accelerating coral and calcareous algae growth. NSW (Natural Sea Water) contains approx. 7 - 9 mg/L strontium. This strontium is associated (”chelated”) with sulfate...

$38.49 $28.87
API Betta Hex 1.7 Gallon Aquarium Kit

API Betta Hex 1.7 Gallon Aquarium Kit

This aquarium is an ideal starter kit. Includes LED lighting with 7 dazzling colors; white, blue, green, red, aqua, amber, and purple that really brings your aquarium to life. Easy to set up and easy to maintain. RECOMMEN...

$30.99
AquaC Extended Collection Cups for Remora/Urchin Pro Series

AquaC Extended Collection Cups for Remora/Urchin Pro Series

Extended Collection Cup for AquaC Remora/Urchin Pro-Series

From $45.00
Nu-Clear Premium Activated Carbon 7 lbs for Nu-Clear 566

Nu-Clear Premium Activated Carbon 7 lbs for Nu-Clear 566

Nu-Clear Premium Activated Carbon 7 lbs for Nu-Clear 566

$44.99
Taam Rio+ 3100 Replacement Impeller with Shaft

Taam Rio+ 3100 Replacement Impeller with Shaft

Replacement Impeller for TAAM Rio+ 3100

$40.99
Bubble Magus Magnetic Algae Scraper Blue - Large

Bubble Magus Magnetic Algae Scraper Blue - Large

Attractive Blue Color outer casing For aquariums up to 3/4 inch Thick Includes with removable stainless steel blade for glass aquariums and plastic blade for acrylic aquariums.

$79.99
Tunze Deco Rock for Stream and NanoStream Pumps

Tunze Deco Rock for Stream and NanoStream Pumps

Tunze NanoStream Rock for 6025, 6045 and 6055

From $53.06
Single Union Ball Valve - Slip X Slip

Single Union Ball Valve - Slip X Slip

Note: While this fitting has a union, it is not designed to seal/hold water when the union is removed. The union is primarily for maintenance of the ball valve. **Variations of this product can be found in many online st...

From $19.99
INVERTEBRATES: A Quick Reference Guide by Julian Sprung

INVERTEBRATES: A Quick Reference Guide by Julian Sprung

A beautiful and comprehensive reference for aquarists, divers and naturalists, with more than 650 full color photographs identifying more than 500 species of marine invertebrates.This book is the essential guide for all aquarists ...

$34.99
Rio 2500 Impeller

Rio 2500 Impeller

Feature(s): includes impeller, impeller shaft and bushings

$39.99
Cobalt Aquatics Nano-Flow 2,600 LPH (686 GPH) Prop Pump

Cobalt Aquatics Nano-Flow 2,600 LPH (686 GPH) Prop Pump

The Cobalt Nano-Flow 2,600 prop pump creates large and wide laminar water flow rated at 686 gph with only 4 watts of power consumption! Perfect for small reef or planted aquariums to create vital current and to eliminate dead spot...

$58.99
Marine Depot Logo Polo Shirt (Small)

Marine Depot Logo Polo Shirt (Small)

100% cotton pique, high quality, white polo shirt with navy blue trim on the collar and cuffs and the Marine Depot logo embroidered on the left chest.

$29.99
Hydor Coarse Filter Pad for 250 and 350 Professional Canister Filter (2pk)

Hydor Coarse Filter Pad for 250 and 350 Professional Canister Filter (2pk)

Replacement Pro-Filter Medium Black Coarse Filter Pad for use with Hydor 250 & 350 Professional Canister Filters - 2 per pack. Highly porous mechanical sponge that captures large debris.

$25.49
Cobalt Aquatics Egg Rocker Fish Egg Hatching System

Cobalt Aquatics Egg Rocker Fish Egg Hatching System

The Cobalt Egg Rocker 65 and 80 are the ultimate fish egg hatching systems. The innovative design is incredibly sophisticated and easy to use at the same time. Self standing legs keep unit upright on counter while harvesting eggs....

From $49.99
Mr. Aqua Replacement UV Bulb for the 9W MA-87 UV Sterilizer

Mr. Aqua Replacement UV Bulb for the 9W MA-87 UV Sterilizer

Mr. Aqua Replacement UV Bulb for the 9W MA-87 UV Sterilizer

$39.99
Taam Rio+ 2500 Replacement Impeller w/ Shaft

Taam Rio+ 2500 Replacement Impeller w/ Shaft

Replacement Impeller w/ shaft for Taam Rio+ 2500

$34.79
Needle Wheel Impeller for AquaMaxx EM100 Protein Skimmers

Needle Wheel Impeller for AquaMaxx EM100 Protein Skimmers

Replacement needle wheel impeller for AquaMaxx EM100 protein skimmers.

$71.99 $43.19
API AquaTunes 2.5 Gallon Aquarium Kit

API AquaTunes 2.5 Gallon Aquarium Kit

API AquaTunes 2.5 gallon corner kit. This acrylic tank is a pentagon shape with a flat back and pointed front. Relax with calming sounds of nature. The API AQUATUNES aquarium has a built-in sound chamber that comes preloa...

$92.99 $46.50
API AquaTunes 3.5 Gallon Aquarium Kit

API AquaTunes 3.5 Gallon Aquarium Kit

API AquaTunes 180 3.5 gallon kit. This acrylic tank has a flat back with curved front for optimal view. Relax with calming sounds of nature. The API AQUATUNES aquarium has a built-in sound chamber that comes preloaded with...

$97.99 $49.00
API 360 View 3 Gallon Aquarium Kit

API 360 View 3 Gallon Aquarium Kit

Compact and stylish, this beautiful desktop aquarium comes with an energy efficient 4-color LED light; emitting dazzling colors of white, blue, green and red along with a wide range of 10 color combinations and blending light effe...

$64.99
VIV Glass Spiral Outflow Pipe 13mm

VIV Glass Spiral Outflow Pipe 13mm

VIV Spiral Pipe Outflow Description The VIV Spiral pipe outflow creates great oxygen exchange while agitating the water surface and moderate circulation within the aquarium. You can lower or rise your Spiral Outflow pipe for ...

$51.99
Tunze DOC Protein Skimmer Extension Set 9005.400

Tunze DOC Protein Skimmer Extension Set 9005.400

Contains all parts for the use of the Comline DOC Skimmer 9005 in in-sump applications.

$54.49
Optional Gate Valve for Precision Marine Bullet 1 Protein Skimmer

Optional Gate Valve for Precision Marine Bullet 1 Protein Skimmer

Bullet 1 Optional Gate Valve (1.5"), for fine tuning. Strongly recommended.

$49.99
Hanna Instruments Replacement Electrode for DiST 5 Waterproof Low Range EC/TDS/Temperature Tester

Hanna Instruments Replacement Electrode for DiST 5 Waterproof Low Range EC/TDS/Temperature Tester

Hanna Instruments Replacement Electrode for DiST 5 Waterproof Low Range EC/TDS/Temperature Tester

$55.49
Eheim Cartridge w/ Activated Carbon for 2012

Eheim Cartridge w/ Activated Carbon for 2012

Cartridge with Activated Carbon for Eheim Internal Filter 2012. Open-cell foam cartridge, fully impregnated with special activated carbon, pH-neutral. Absorbs dissolved harmful substances, colourants, as well as residues of medici...

$27.99
400 Watt 5500K Metal Halide Bulb, Mogul Base

400 Watt 5500K Metal Halide Bulb, Mogul Base

400W 5500K METAL HALIDE SINGLE ENDED BULB The 5500K metal halide bulb is a full-spectrum Daylight bulb. It offers excellent light intensity, but will be slight yellow-green in coloration. A great bulb to achieve fast growth....

$54.49
1/4 inch NO10 Replacement White Canister

1/4 inch NO10 Replacement White Canister

Replacement RO filter housing White Canisters Compatible with 10" Filter Cartridges Inlet/Outlet: 1/4" FPT

$26.99
72 x 9.5 inch Electro-white Reflector

72 x 9.5 inch Electro-white Reflector

72" Electro-White Aluminum Reflector. 72" long, 9.25" wide with a 2" flare on each side. Please note this item requires special handling and packaging so additional shipping charges will apply. **Variations of t...

$57.99
60 x 9.5 inch Electro-white Reflector

60 x 9.5 inch Electro-white Reflector

60" Electro-White Aluminum Reflector. 60" long, 9.25" wide with a 2" flare on each side. Please note this item requires special handling and packaging so additional shipping charges will apply. **Variations of t...

$47.99
Salifert Boron 250 mL

Salifert Boron 250 mL

Why is boron required? Boron is present in NSW (Natural Sea Water) in a moderately low concentration (4.4 - 4.8 mg/L or ppm). It is present predominantly as boric acid and to a lesser extent as borate. It has several important...

$14.99
Ecoxotic 60W 24V Panorama Remote LED Driver - Dimmable

Ecoxotic 60W 24V Panorama Remote LED Driver - Dimmable

Ecoxotic Panorama LED retrofit remote electronic dimmable LED driver. *please note: this driver will not work without a 0-10V controller (such as Apex w/ VDM, or ReefKeeper w/ ALC).

$63.49
Maxspect P-Series MZ-P02 Frame Mount

Maxspect P-Series MZ-P02 Frame Mount

Maxspect Mazarra P Series LED Aquarium Lighting.

$39.99
EHEIM PUMP FOR 2003

EHEIM PUMP FOR 2003

Replacement pump for Eheim 2003 Aquaboss filter

$26.39
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