Great Aquariums Start Here
1-800-566-3474
Live Chat Support
    Free Shipping On $75+
  • FREE Shipping On $75+
  • 14-Day Low Price Guarantee
  • 14-Day Low Price Guarantee
  • Same Day Shipping
  • Same Day Shipping
FREE Shipping on
Orders Over $75
Standard ground shipping (1-7 business days) starts at a low $4.99 and most orders over $75 ship FREE. Learn More
 
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
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 > Filters
Show: per page
Grid View Grid List View List
Sort by:
101 - 125 of 202
CAD Lights NR-1 Pro All-In-One Media Reactor

CAD Lights NR-1 Pro All-In-One Media Reactor

NR-1 Pro All-In-One Media reactor (Bio-pellets, GFO, Carbon) Our newly released NR-1 Pro nano media reactor packs all the latest and best features that our engineers have come up with. Building on the breakthrough of the orig...

$99.99
Korallin BioDenitrator Replacement Media

Korallin BioDenitrator Replacement Media

Korallin S-1502 Replacement Media

From $89.99
Eheim Liberty Carbon Insert Cartridge

Eheim Liberty Carbon Insert Cartridge

Activated Carbon Inserts for Eheim Liberty Hang-On Filters (2 pcs)

From $10.99
Lifegard Aquatics Gauge Adapter & Air Bleed R172045AX

Lifegard Aquatics Gauge Adapter & Air Bleed R172045AX

Pressure Gauge Adapter & Air Bleed for Lifegard Aquatics Inline Mechanical Filter

$8.49
Tom Aquatics Aquarium Surface Skimmer

Tom Aquatics Aquarium Surface Skimmer

Features: Removes dissolved organics from the surface and increases gas exchange Can be used with canister filters, power filters and in-hood filtration Prevents undesirable biological processes that take place on the surfa...

$11.99
Aquarium Pharmaceuticals® API FilStar Bio-Chem Stars

Aquarium Pharmaceuticals® API FilStar Bio-Chem Stars

Canister filter media designed to fit the FilStar XP. Simply the best bio-filtration media available. Optimal pore size for growing massive colonies of beneficial bacteria. Treats up to 100 gallons. Bio-Chem Stars® - for fresh a...

$9.99
Two Little Fishies CDX Carbon Dioxide Adsorption System

Two Little Fishies CDX Carbon Dioxide Adsorption System

Many aquariums suffer from low-pH issues. Sometimes it`s the carbon dioxide that accumulates in the air in closed buildings that won`t let the pH of your aquarium stay up. TwoLittleFishies have the solution: It`s called CDX, a Car...

From $12.99
API NITRA-ZORB for NEXX or RENA Filters Size 4  - 2 Pieces

API NITRA-ZORB for NEXX or RENA Filters Size 4 - 2 Pieces

A convenient pouch of natural and synthetic ion-exchange resins that selectively remove ammonia, nitrite, and nitrate from freshwater aquariums. Nitra-Zorb™ also helps during start up by reducing unhealthy ammonia surges while est...

$10.99
Marineland H.O.T. Magnum 250 Canister Filter

Marineland H.O.T. Magnum 250 Canister Filter

HOT Magnum® Canister Filters HOT (Hang On Tank) Magnum is an efficient, powerful, compact canister filter that is lightweight enough to hang directly on the back of your aquarium. Because it is a Magnum, it comes feature-packed...

$78.99
Two Little Fishies CDX Carbon Dioxide Adsorption System Adaptor

Two Little Fishies CDX Carbon Dioxide Adsorption System Adaptor

Adaptor that allows the air line from a typical protein skimmer to connect with a PhosBan reactor for making the reactor serve as a carbon dioxide adsorption filter. For use with TwoLittleFishies Phoban Reactor and CDX Media.

$1.99
Aquarium Pharmaceuticals® API FilStar Nitra-Zorb

Aquarium Pharmaceuticals® API FilStar Nitra-Zorb

Canister filter media designed to fit the FilStar XP. For complete removal of Ammonia, Nitrite and Nitrate from freshwater. Rechargeable pouch. Nitra-Zorb™ - for fresh water Tested and used by Jack Wattley, world famous dis...

$9.49
API Crystal Bio-Chem Zorb Cartridge for SuperClean Filters

API Crystal Bio-Chem Zorb Cartridge for SuperClean Filters

Replacement Crystal Bio-Chem Zorb Cartridge for API SuperClean 50 Power Filter - 3 Pack *Makes water clean and clear Features: Superior resins and activated carbon Removes debris, colors and odors Densely filled cartr...

From $9.99
Eheim Liberty Bioblock Cartridge (2 pcs)

Eheim Liberty Bioblock Cartridge (2 pcs)

Bioblock for Eheim Liberty Hang-On Filters (2 pcs)

$5.54
Trigger Systems Emerald Sump

Trigger Systems Emerald Sump

Trigger Systems specializes in aquarium sump manufacturing. They manufacture all sumps here in the USA (Dallas, TX). Trigger Systems build each sump as if it were their own. They take pride in the robustness, efficiency of the des...

From $324.99
Nu-Clear Model 522 Replacement Canister Filter Cartridge, 100 Micron, 18 sq. ft.

Nu-Clear Model 522 Replacement Canister Filter Cartridge, 100 Micron, 18 sq. ft.

Nu-Clear Canister Replacement Pleated Filter Cartridge 18 sq. ft. 100 Micron

$71.99
Eshopps CUBE Nano Refugium

Eshopps CUBE Nano Refugium

The NEW Cube Nano Refugium features innovative design with dual water channels for superior aquarium filtration. It features two separate water channels; one channel sends water to the refugium section while the second chamber sen...

$199.49
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
Tom Aquatics Activated Carbon Pad for Rapids Pro Series PS3 & PS4 - 2 Pack

Tom Aquatics Activated Carbon Pad for Rapids Pro Series PS3 & PS4 - 2 Pack

This carbon impregnated material filters and purifies the water. Removing harmful waste material, polishing and eliminating odors as aquarium water filters down through this media. The high-grade activated carbon effectively remov...

$9.49 $7.49
Tunze Comline Streamfilter 3163

Tunze Comline Streamfilter 3163

The new Tunze Comline® filters opens the way for compact aquarium components designed for internal operation, are ultra-functional and are highly-sophisticated. The system creates a natural atmosphere in the aquarium at a minimum...

$85.49
Eheim Filter Pad Set for ECCO Pro 130, 200 and 300 Canister Filter

Eheim Filter Pad Set for ECCO Pro 130, 200 and 300 Canister Filter

Set of replacement filter pads (1x blue, 4x white) for Eheim ECCO Pro Canister Filter 130 / 200 / 300

$16.88
Precision Marine Refugium

Precision Marine Refugium

Features: All premium, optical grade cast acrylic construction. Mechanical Filtration in the form of 100 micron bags. Single Drain 1" Drain. Integrated Calcium Reactor speed fitting for CR effluent. Integrated Substrate...

From $326.99
Eheim Install Set 2, 0.5 inch (Pressure)

Eheim Install Set 2, 0.5 inch (Pressure)

With Eheim Install Sets 1 and 2, all external filter makes with hose diameters of 0.50"/0.65" can be perfectly optimised in the suction or pressure area. Firm connection with variable installation and selective func...

$34.99
Two Little Fishies KW Reactor 300 (Kalkwasser Reactor)

Two Little Fishies KW Reactor 300 (Kalkwasser Reactor)

The KW Reactor™ 300 creates saturated kalkwasser solution every time the feed pump is switched on to replenish evaporated water. Gentle mixing is achieved with a rotating sprinklerhead that is “powered” by the pressurized water fe...

$85.49
Nu-Clear Replacement Lid Gasket

Nu-Clear Replacement Lid Gasket

Replacement gasket for Nu-Clear Filter Lids

$9.99
101 - 125 of 202
Add to Cart or Notify Me
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.

Notify Me
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:
WIN A $271 API PRIZE PACK! Sign up for our best deals, video tutorials + a chance to win an API filter, media, and test kits!