Instant 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 industr...

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$6.99 to $44.99

Instant Ocean Reef Crystals Salt Mix

Enriched formulation. Optimum effectiveness. Formulated specially for use in reef aquariums, Reef Crystals contains essential ocean reef elements in concentrations greater than those found in natural sea water: - Extra Calcium to ...

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Aquarium Systems Instant Ocean Phosphate Test Kit Refills (20 Pack)

Aquarium Systems Saltwater Phosphate Test Refill for use with the Instant Ocean Phosphate Test Kit

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Item Code: AS02225

Maxi-Jet Powerhead

Maxi-Jet®PH pump and power head is ideal for powering undergravel filters or creating internal water movement from its fully rotational output. The Maxi-Jet®PH incorporates a venturi aeration device to provide optimal aeration and...

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Suction Cups for Maxi-Jet Powerheads

Replacement Suction cups for Maxi-Jets (4/pack)

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Item Code: AS1121

Maxi-Jet 900 Powerhead / MP 900 + Algae Free Sure Flow 1600 Maxi-Jet Upgrade Kit

Maxi-Jet 900 Powerhead / MP 900 + Algae Free Sure Flow 1600 Maxi-Jet Upgrade Kit Includes: 1-Maxi-Jet 900 Powerhead 1-Shroud with built in anti-vortex shield 1-Full rotation bracket 1-Medium flow propeller (black...

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Item Code: AS1145

Maxi-Jet 1200 Powerhead / MP 1200 + Algae Free Sure Flow 1600 Maxi-Jet Upgrade Kit

Maxi-Jet 1200 Powerhead / MP 1200 + Algae Free Sure Flow 1600 Maxi-Jet Upgrade Kit Includes: 1-Maxi-Jet 1200 Powerhead 1-Shroud with built in anti-vortex shield 1-Full rotation bracket 1-Medium flow propeller (bl...

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Item Code: AS1147

Mini-Jet Powerhead

Mini-jet® aquarium pump combines exceptional pumping capacity with small size to fill a variety of requirements. Mini-Jet® pump is available in two models, each with an adjustable flow rate. Mini-Jet® aquarium pump can be complete...

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Aquarium Systems Premium Maxi-Jet Utility Pump

Premium Maxi-Jet 400 Utility Pump New high-efficiency, flow adjustable Marine Series pumps meet the most demanding requirements of saltwater and freshwater systems. Engineered to handle the capacities of our new Deep Dimension ...

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Millennium Mechanichem 1000 Filter Cartridge

Mechanichem Filter Cartridge for Millennium 1000. The Millennium 1000 Filters 90 GPH and the recommended tank size for aquariums is up to 15 gallons.

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Millennium Mechanichem 2000 Filter Cartridge

Mechanichem Filter Cartridge for Millennium 2000 and 3000 . The Millennium 2000 Filters 160 GPH and the recommended tank size ranges from a 10 gallon up to a 60 gallon aquarium. The Millennium 3000 Filters 295 GPH and the recommen...

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Marineland Penguin Bio-Wheel Power Filter

Penguin® Filters All Penguin® BIO-Wheel® Power Filters deliver easy, three-stage mechanical, chemical and biological aquarium filtration. Convenient Penguin Rite-Size Filter Cartridges come ready to use with each filter...ready...

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Marineland Rite-Size A Cartridge for Penguin Mini, BIO-Wheel Mini & 100

Replacement Cartridge for Penguin Mini, BIO-Wheel Mini & 100 Filters

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Marineland Rite-Size B Cartridge for Penguin 125 & 150

Replacement Cartridge for Penguin 125 & 150 Filters

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Marineland Rite-Size C Cartridge for Penguin 170, 200, 330 & 350

Replacement Cartridge for Penguin 170, 200, 330 & 350 Filters

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Testimonials

March 06, 2010
"Marine Depot is AWESOME. I purchased my item and it was at my home in two days using normal UPS shipping!!! Thank you for your great customer service."
Michael

March 05, 2010
"Delivery time is unsurpassed. If you need it fast, there is no place faster than Marine Depot for standard shipping. They also have almost anything I could need for a reef tank."
Grey Seaslug

March 01, 2010
"They have so many great products and it’s a very easy website to navigate! From all-in-one to do-it-yourself, there is something for everyone! Awesome summaries at the top of every major heading! This company does a great job and the website is great!"
David Peron

Refugiums and Sumps - Take your reef to the next level