Great Aquariums Start Here
1-800-566-3474
    Free Shipping On $175+
  • FREE Shipping On $175+
  • 14-Day Low Price Guarantee
  • 14-Day Low Price Guarantee
  • Same Day Shipping
  • Same Day Shipping
FREE Shipping on Orders Over $175
FREE Shipping on
Orders Over $175
Standard ground shipping (1-7 business days) starts at a low $5.99 and most orders over $175 ship FREE. Learn More
14-Day Low Price Guarantee
If you find a product we sell for a lower price at another online store, we will match their price—today and up to 14 days after you've purchased the item! Learn More
Same Day Shipping
Same Day Shipping
We promise to ship your order as fast as humanly possible. In fact, 99% of orders placed before 6 pm EST ship the same day! Learn More
Search Results for Saltwater Aquarium Supplies
Show: per page
Grid View Grid List View List
Sort by:
Marineland Rite-Size C Cartridge for Penguin 170, 200, 330 & 350

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

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

From $17.99
Marineland Diamond Blend Ammo-Carb

Marineland Diamond Blend Ammo-Carb

Diamond Blend® Diamond Blend Premium Activated Carbon and Ammonia-Neutralizing Crystals are ideal for new aquariums. This special formulation of new faster-acting Black Diamond and super-effective White Diamond cleans and condit...

From $9.49
Marineland Black Diamond Carbon

Marineland Black Diamond Carbon

Black Diamond® Black Diamond Premium Activated Carbon eliminates discoloration, odors, and impurities...and keeps on doing it long after other carbons quit. Heat-activated bituminous coal-based Black Diamond granules are spec...

From $9.99
Marineland Carbon Bags 100g for 160-360 Magnum C-Series Canister Filter (2pk)

Marineland Carbon Bags 100g for 160-360 Magnum C-Series Canister Filter (2pk)

Replacement Carbon Bags 100g, for the 160, 220, and 360 C-Series Canister Filters

$10.99
Marineland Pleated Micron Cartridge Single for All Magnum Canister Filters

Marineland Pleated Micron Cartridge Single for All Magnum Canister Filters

For fast cleanups and removal of microscopic particles. Reusable cartridge contains 320 sq inches of surface area. Fits all Magnums.

$15.99
Marineland Magnum Filter Sleeve Micron for 220 and 350 micron Cartridge

Marineland Magnum Filter Sleeve Micron for 220 and 350 micron Cartridge

Custom designed for the Magnum 220 and 350 micron cartridges and carbon/media container, these filter sleeves reduce accumulation of waste and dirt, ultimately extending cartridge life.

From $17.49
Marineland Maxi-Jet Pro Powerhead

Marineland Maxi-Jet Pro Powerhead

The Maxi-Jet Pro is a multi-use, 3-in-1 pump. It is completely adaptable to meet different needs of internal and external functions as a power head, circulation pump or utility pump. This submersible pump is ideal for powering und...

From $19.99
Marineland 350B Penguin Bio-Wheel Hang-on-Back Power Filter

Marineland 350B Penguin Bio-Wheel Hang-on-Back 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...

$44.49
Marineland Rite-Size S Polishing Filter Pads Magnum C-Series Canister Filters (2pk)

Marineland Rite-Size S Polishing Filter Pads Magnum C-Series Canister Filters (2pk)

Replacement Polishing Filter Pads for the 160 and 220 C-Series Canister filters.

From $5.49
This item is temporarily unavailable but will be back in stock soon.

Item #
Price:
Click the Add To Cart button below if you'd like to reserve this item today. Any other items included in your order will be immediately processed and shipped. We will ship this item separately as soon as it arrives. We will not charge you for this item until it ships and you will incur no additional shipping charges.

Enter your email address in the field below and click the Notify Me button if you'd like us to send you an email when this item becomes available. Although you will be immediately notified when we have stock on hand, we will not reserve any units for you; you must return to our website and place an order.

Your Email:
Just enter your email address below and we'll let you
know when the product you are looking for becomes available!

Item Code:
Price:
Your Email:
Marine Depot Newsletter Signup
Aquariums, News & Culture
Join 100,000+ readers who receive weekly tips, videos, deals and giveaways.