Best Saltwater Fish Tank Filter – Top 7 Picks and Reviews 2020

We went over every review we could find and found the best of the best using our data-backed approach.

Here’s a look at the best Saltwater Fish Tank Filter

Bestseller No. 1
Penn Plax Cascade CCF3UL Canister Filter For Large Aquariums and Fish Tanks – Up To 100 Gallons,...
2,494 Reviews
Penn Plax Cascade CCF3UL Canister Filter For Large Aquariums and Fish Tanks – Up To 100 Gallons,...
  • CASCADE CANISTER FILTER FOR FRESHWATER OR MARINE ENVIRONMENTS: the Cascade 1000 (CCF3UL) has 3 media baskets, works at 265 GPH, and is recommended for Aquariums up to 100 gallons. It measures 11.5 x 17 x 10 inches.
  • STATE OF THE ART FEATURES OF THE CASCADE 1000: ♦ flow valves that rotate 360 degrees for easy maneuvering in even the tightest aquarium cabinets ♦ large capacity media baskets allow aquarists to customize to their media needs ♦ push button primer allows for a quick and easy prime of the filter ♦ includes a spray bar, tubing, directional spout for customization, and filter medium.
  • USE ANY COMBINATION OF MEDIA: floss pad for removing particulate matter and a course sponge that provides abundant surface for promoting bacterial growth (to remove ammonia and nitrites) included free with purchase
  • SEE BELOW FOR DIAGRAM, THE CASCADE 1000 INCLUDES: ♦ Flow rate control cut-off valves ♦ two independent directional 360 degree rotating valve taps ♦ swimming pool – style hose clamps ♦ quick, easy, push button self-primer ♦ extra-large capacity stackable filter medium containers with lift-up handles ♦ floss pad and coarse sponge included, free with each canister filter ♦ easy lift alignment clamps that release vacuum suction ♦ sturdy tip-proof base
  • FILTER MEDIA OPTIONS BY CASCADE AVAILABLE ON AMAZON, SOLD SEPARATELY: see below for details, sold separately is media such as: bio-floss, bio-sponge, bio-rings, filt-a-pack pro-z, and filt-a-pack pro-carb-z.
Bestseller No. 2
Marineland PF0350B Penguin Power Filter, Upto 75 Gallons, 350 GPH
1,786 Reviews
Marineland PF0350B Penguin Power Filter, Upto 75 Gallons, 350 GPH
  • Focused on the healthy living of your aquatic pets
  • Quality designed and tested for highest performance
  • Don't Settle for anything less, use Aquaria Products
  • age range description: All Life Stages
Bestseller No. 3
Marineland Penguin Bio-Wheel Power Filter 150 GPH, Multi-Stage aquarium Filtration
399 Reviews
Marineland Penguin Bio-Wheel Power Filter 150 GPH, Multi-Stage aquarium Filtration
  • Focused on the healthy living of your aquatic pets
  • Quality designed and tested for highest performance
  • Don't Settle for anything less, use Aquaria Products
Bestseller No. 4
Aqueon QuietFlow LED PRO Aquarium Power Filter 75
2,415 Reviews
Aqueon QuietFlow LED PRO Aquarium Power Filter 75
  • Provides mechanical, chemical, biological filtration plus additional assistance with the Aqueon specialty filter pads
  • Self-priming – starts up automatically after cleaning or power interruptions.
  • Certified flow rates that assure proper water circulation for improved fish health
  • LED indicator light flashes when it’s time to replace clogged cartridges by monitoring actual water levels.
  • Internal pump design helps dampen noise and eliminate leaks
Bestseller No. 5
XpertMatic DB-368F Quiet 3 Stages Aquarium Filter for Up to 180 Gallon Fish Tank, Submersible...
  • Ultra Quiet: XpertMatic aquarium internal filter could supply oxygen and create an aquarium water cycle. It provides a healthy living environment for your lovely pets. eg, fish and turtle. Less than 35dB, you can use it in your bedroom aquariums.
  • Leave The Water Crystal Clear: Adopts 3 stages filtration to ensure water clarity. Suitable for marine and freshwater aquariums.
  • Wide Application: Max Flow Rate: 475GPH(1800L/H). Max Lift Height: 4.92ft. Fits for aquariums, fish tanks, and fountains up to 264 gallons no more than 4.92ft height.
  • Easy to Set Up and Clean: The fully submersible filter with suction cups is easy to place inside your fish tank. The transparent filter box is visible that you will know when to clean or replace the filter cartridge.
  • Submersible Water Pump: You can lay down the filter at the bottom of the aquarium and use it as a water pump.
Bestseller No. 6
MarineLand Magniflow Canister Filter for Aquariums
  • Canister lids ensures water tight seal
  • The polishing filter pad acts as a water polisher removing fine debris
  • The bio-filter balls and ceramic rings provide a large, multifaceted surface area for the growth of bio spires
  • Black Diamond Carbon Removes odors, discoloration and water impurities
  • Filter Foam pads screen out dirt and debris.Fills filter chamber with water for self-priming system startup
SaleBestseller No. 7
MarineLand Magnum Polishing Internal Canister Filter, For aquariums Up To 97 Gallons, 10.5 IN...
376 Reviews
MarineLand Magnum Polishing Internal Canister Filter, For aquariums Up To 97 Gallons, 10.5 IN...
  • INTERNAL CANISTER FILTER: Submerged motor for quick and easy startup.
  • VERSATILE FILTRATION: Two refillable chambers house carbon or customizable filter media.
  • MICRON WATER POLISHING: High-efficiency polishing with the micron cartridge (included).
  • FOR aquariumS UP TO 97 GALLONS: Capable of filtering 290 gallons of water per hour.
  • Included Components: Marineland Magnum Polishing Internal Canister Filer (Ml90770)