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Search Results for Saltwater Aquarium Supplies > Clearance
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Clear-for-Life Aquarium Light Kit

Clear-for-Life Aquarium Light Kit

CFL Aquarium Light Kit-12inch for use with Clear-for-Life™ Acrylic Aquariums or any standard hoods easy to mount instructions included

From $39.25
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
Captive Purity Color Indicating Mixed Bed DI Cartridge

Captive Purity Color Indicating Mixed Bed DI Cartridge

Deionization cartridge - Color Change Please note that these replacement cartridges are interchangeable with Captive Purity`s, Kent Marine`s, and SpectraPure`s RO or RO/DI units. We have researched the best replacement ...

$22.99
Flipper Aquarium Algae Magnet Cleaners

Flipper Aquarium Algae Magnet Cleaners

The patented design allows it to Flip inside the tank simply by rotating the outer handle! With a large soft cleaning pad on one side for daily maintenance and a Flip over to a stainless steel blade on the opposite side for r...

From $39.99
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
65W Power Compact Bulb - Square Pin

65W Power Compact Bulb - Square Pin

65W 6700k White Daylight Powercompact Bulb 6700k daylight white bulb with square pin configuration Approx. bulb dimensions:21.25" x 1.75" x 1" Bulb Replacement Guide Bulb Types Life of Bulb* ...

From $19.99
AquaticLife Color Changing Mixed Bed Resin DI Cartridge for RO Buddie Reverse Osmosis System

AquaticLife Color Changing Mixed Bed Resin DI Cartridge for RO Buddie Reverse Osmosis System

Color Changing Mixed Bed Resin DI Cartridge upgrade for the AquaticLife RO Buddie Reverse Osmosis System. With the addition of this filter you can turn your RO Buddie into an RO/DI system that will produce pure, zero TDS water. ...

From $24.99
Insert Fitting - FPT x Insert

Insert Fitting - FPT x Insert

Part # : 175138 Size: 1/2" FPT 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 Lo...

From $3.67
Ecoxotic 12.5 Inch Stunner 6 watt LED Strip

Ecoxotic 12.5 Inch Stunner 6 watt LED Strip

Stunner LED Strips It’s never been faster or easier to add light, accent and shimmer to your tank – without all that other stuff like heat and noisy fans. Put beautiful, shimmering light right where you want it with a simpl...

From $28.99
DTs Premium Reef Blend Phytoplankton

DTs Premium Reef Blend Phytoplankton

DT’s ®Live Marine Phytoplankton- Premium Reef Blend Containing live: Nannochloropsis aculata, Phaeodactylum tricornutum,...

From $10.99
Two Little Fishies Goniopower - Advanced Zooplankton Diet

Two Little Fishies Goniopower - Advanced Zooplankton Diet

Goniopower is a blend of dried Zooplankton developed by Goniopora expert, Justin Credabel for feeding Goniopora, Alveopora, and other corals. It is a powder-based food made up of all the nutrients that a growing Goniopora needs. I...

From $12.99
Salifert All-In-One

Salifert All-In-One

About All in One All in One can make the use of the so-called A and B calcium and alkalinity supplements unnecessary. It contains almost everything required for growth by corals and the beautiful encrusting pink and red coralli...

From $15.49
Hydor THEO Heater

Hydor THEO Heater

Theo 100W For Aquariums 14–26 gallons New aquarium heater functioning with the exclusive PTC (Positive Thermal Coefficient) technology. The Hydor Theo heater line features PTC patented thermal technology which makes it among t...

From $25.49
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 $36.99
Salifert Bio Coral / Amino Acids

Salifert Bio Coral / Amino Acids

Why are amino acids required? The skeletal material of corals is built-up with alternating layers of calcium carbonate and layers rich in amino acids. These amino acids fulfill many important functions. They stabilize the skele...

From $14.78
AquaticLife 18 Inch 18W T5HO Bulb

AquaticLife 18 Inch 18W T5HO Bulb

AquaticLife T5 HO Lamp 420/460nm Dual Actinic Visible Hue: ACTINIC/BLUE Kelvin: 420/460nm Length (including pins): 16 1/2” Application: Freshwater, Marine Fish & Corals Ideal for: Acroporas (SPS), Anemones, Clams, Hard Cor...

From $14.99
Salifert Magnesium

Salifert Magnesium

Why is Magnesium required? Magnesium is present in NSW (Natural Sea Water) in a fairly high concentration (1350 – 1500 mg/L). Magnesium is an essential part of chlorophyll, which is necessary for photosynthesis. Without photosyn...

From $22.70
Salifert Iodine

Salifert Iodine

Why is iodine required? Corals might require iodine as a de-toxifier, as a protection against uv-radiation and as a natural defense against many parasites. Iodine is present in NSW (Natural Sea Water) in a very low concentratio...

From $13.66
Hamilton Compact Flourescent 55 W Straight Pin

Hamilton Compact Flourescent 55 W Straight Pin

55W White (6700K) Compact Fluorescent Bulb—Straight Pin NOTE: Current USA/Panasonic Compact Bulbs and Hamilton Compact Fluorecent Bulbs are not interchangeable. Realux Bulbs and Hamilton Bulbs are interchangeable. 21" ...

From $26.99
JBJ Ocean Pulse - DUO Wavemaker (2 pump Capacity)

JBJ Ocean Pulse - DUO Wavemaker (2 pump Capacity)

Creating Motion in Captive Oceans The Ocean Pulse Duo and Quadra are an innovative wavemakers that were specifically designed to replicate the natural alternating rhythms of tides and currents for home aquariums. These wavemake...

$42.49
Innovative Marine Mesh Screen Lid and Clips

Innovative Marine Mesh Screen Lid and Clips

Seamless and Secure Protect your livestock and upgrade your NUVO with a lightweight mesh screen top specifically made for your aquarium. Crafted from durable aluminum, and powder coated for extra protection, these screen lids a...

From $33.17
14000K Metal Halide Bulb - German Ushio, Mogul Base

14000K Metal Halide Bulb - German Ushio, Mogul Base

175W 14000K METAL HALIDE SINGLE ENDED BULB—USHIO The Ushio single-ended 14000K metal halide bulb offers excellent coloration and good intensity. It is crisp-white with a blue tint. It brings out the fluorescent pigments in corals...

From $52.99
Aqua Medic Scraper

Aqua Medic Scraper

The scraper is a multiple use blade cleaner. The 5.9" (15cm) wide blade makes it easy to remove even the most resistant calcerous algaes from the aquarium glass. The blades are manufactured from corrosion resistant hardened steel....

$24.99
Salifert Trace Soft

Salifert Trace Soft

The importance of trace elements By trace elements we usually mean elements that are present in natural seawater in a concentration lower than approx. 1 mg/L or ppm. Some of these elements are essential to make many biological p...

From $13.64
Salifert Strontium

Salifert Strontium

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...

From $23.80
Salifert Trace Hard

Salifert Trace Hard

The importance of trace elements By trace elements we usually mean elements that are present in natural seawater in a concentration lower than approx. 1 mg/L or ppm. Some of these elements are essential to make many biological p...

From $14.78
Continuum Aquatics Reef-Basis Iron Concentrated Liquid Supplement

Continuum Aquatics Reef-Basis Iron Concentrated Liquid Supplement

Reef•Basis Iron Description: Iron Supplement for Marine Aquariums Features: • Bioavailable chelated iron complex • Contains no gluconates, or polygluconates Advantages: Reef•Basis - Iron is a high quality, b...

From $4.49
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 $40.00
Salifert Phosphate Killer 1000 mL

Salifert Phosphate Killer 1000 mL

About Phosphate Killer It is a granular ferric oxide hydroxide and has a very high surface area on which phosphate can be adsorbed. It has therefore a very low weight per volume. The phosphate binding capacity of this product is...

$52.61
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
Ecosystem Aquarium (Balling Method) Calcium Refill Pack (A, B, C)

Ecosystem Aquarium (Balling Method) Calcium Refill Pack (A, B, C)

The Balling Method - calcium powder mixtures for 1 gallon each of 3-part calcium supplement (A: carbonate alkalinity B: minerals and calcium C: calcium & magnesium) Description: Adds essential calcium, alkalinity and magnesium...

$24.99
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
AquaC Collection Cup for EV skimmers

AquaC Collection Cup for EV skimmers

Replacement AquaC Collection Cup for EV-120.  Includes collection cup w/barb drain fitting, EPDM gaskets and lid.

From $40.00
Hydor Coarse Filter Pad for Professional Canister Filter (2pk)

Hydor Coarse Filter Pad for Professional Canister Filter (2pk)

Replacement Pro-Filter Small Black Coarse Filter Pad for use with Hydor 150 Professional Canister Filters - 2 per pack. Highly porous mechanical sponge that captures large debris.

From $22.49
Aquarium Pharmaceuticals® API Betta Globe Bowl 2 Gallon Aquarium Kit

Aquarium Pharmaceuticals® API Betta Globe Bowl 2 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. RECOMM...

$34.99
Hydor Koralia (Controllable) Wavemaker Photocell Day/Night Sensor

Hydor Koralia (Controllable) Wavemaker Photocell Day/Night Sensor

Hydor Koralia Wavemaker Photocell Automatic Night Mode: In this mode the pumps can be slowed down during the night and turned back to the set speed during the day. Night Mode: Indicated by a red LED, can come on automatically...

$26.99
Replacement Santoprene Tubing for Aqua Medic Reefdoser

Replacement Santoprene Tubing for Aqua Medic Reefdoser

Replacement Santoprene Tubing for Aqua Medic Reefdosers and Niveaumat. One unit is needed for each dosing channel.

$36.99
Continuum Aquatics Bio-Viv HUFA Dietary Supplement - 250 ml

Continuum Aquatics Bio-Viv HUFA Dietary Supplement - 250 ml

Bio•Viv-HUFA Description: Essential Lipid Complex for all Fishes Features: • HUFA complex for all marine fishes & corals • Provides omega-3 fatty acids EPA & DHA in complex form • Particularly useful for fish ...

$23.99 $21.59
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
5500K Metal Halide Bulb, Mogul Base

5500K Metal Halide Bulb, Mogul Base

175W 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. Acti...

From $47.99
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
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
Cobalt Aquatics Mini -Therm Aquarium Heater 20 watt

Cobalt Aquatics Mini -Therm Aquarium Heater 20 watt

The all new Cobalt Aquatics MINI-Therm compact and fully submersible heaters feature a constant ON design, specifically for small aquariums up to 4.8 gallons (18L). The heater casing is made from a thermal-plastic polymer that ...

$24.60
Aquarium Pharmaceuticals® API Betta Globe Bowl 1.5 Gallon Aquarium Kit

Aquarium Pharmaceuticals® API Betta Globe Bowl 1.5 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...

$29.99
EcoTech Marine QuietDrive MP10QD Upgrade for VorTech MP10ES Propeller Pump

EcoTech Marine QuietDrive MP10QD Upgrade for VorTech MP10ES Propeller Pump

Upgrade your old MP10ES EcoSmart Driver to the new MP10QD QuietDrive Driver MP10 equipped with QuietDrive benefits from greatly reduced motor noise, more output and higher efficiency. The motor, wet side and power supply on the ...

$50.00
Prodibio STOP AMMO - 12 Vials

Prodibio STOP AMMO - 12 Vials

Ammonium is very toxic in an aquarium, especially when the pH level exceeds 7.5. It is the cause of nitrite surges and the cause of stress, immunity deficiency and damage to the gills. STOP AMMO made from natural plant extracts, ...

$21.99
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
API BettaView 1 Gallon Aquarium Kit

API BettaView 1 Gallon Aquarium Kit

API betta view 1 gallon. This acrylic corner tank includes a lid, battery operated 7 color LED lights (batteries not included), API betta food and stress coat. This tank can be placed anywhere in the house, since there are no p...

$22.99
Maxspect P-Series MZ-P02 Frame Mount

Maxspect P-Series MZ-P02 Frame Mount

Maxspect Mazarra P Series LED Aquarium Lighting.

$39.99
Eheim Replacement Impeller for Compact+ 2000 (60 Hz) Aquarium Pump

Eheim Replacement Impeller for Compact+ 2000 (60 Hz) Aquarium Pump

Replacement Impeller for Eheim Compact+ 2000 (60 Hz)

$21.99
Aquarium Pharmaceuticals® API Betta Hex 1.7 Gallon Aquarium Kit

Aquarium Pharmaceuticals® 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
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
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
LaMotte Calcium Test Kit Reagent Refill

LaMotte Calcium Test Kit Reagent Refill

LaMotte Calcium Test Kit Reagent Refill Direct reading Titrator for Calcium Hardness. Range is from 0-200 ppm for freshwater and 0-2580 ppm for saltwater. Color change is from red to blue. Approximately 50 tests. These kits ar...

$20.99
48 x 9.5 inch Electro-white Reflector

48 x 9.5 inch Electro-white Reflector

48" Electro-White Aluminum Reflector. 48" 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...

$37.99
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
Eheim Cartridge w/ Activated Carbon for 2008

Eheim Cartridge w/ Activated Carbon for 2008

Cartridge with Activated Carbon for Eheim Internal Filter 2008. Open-cell foam cartridge, fully impregnated with special activated carbon, pH-neutral. Absorbs dissolved harmful substances, colourants, as well as residues of medici...

$24.49
80 GPD TFC Membrane

80 GPD TFC Membrane

TFC membrane for 80 GPD RO or RO/DI systems Please note that these replacement cartridges are interchangeable with Captive Purity`s, Kent Marine`s, and SpectraPure`s RO or RO/DI units. **Variations of this product ca...

$42.49
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
Salifert Boron 500 mL

Salifert Boron 500 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...

$20.99
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
47 Inch Sunlight Supply 8 Lamp Shield

47 Inch Sunlight Supply 8 Lamp Shield

Sunlight Supply Shield Size: 47 Inch 8-lamp Dimensions: 46.875" x 15.875" x .118"

$36.99
AquaticLife Expert Series LED Suspension Kit

AquaticLife Expert Series LED Suspension Kit

For use with Aquatic Life 34" and 46" XS (Expert Series) LED Light Fixtures. Includes (2) cables, (2) black anodized housings, (2) connector nuts.

$41.99
EHEIM PUMP FOR 2003

EHEIM PUMP FOR 2003

Replacement pump for Eheim 2003 Aquaboss filter

$26.39
48IN 4X96W AND 4X130W REFLECTOR FOR MODELS 1031, 1034 & 1123

48IN 4X96W AND 4X130W REFLECTOR FOR MODELS 1031, 1034 & 1123

Replacement splash lens for Current USA light fixtures, models 1024, 1027

$24.99
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