Best 100 Gallon Aquarium Filter – Top 7 Picks and Reviews 2020

We took a look the consumer reviews and found the best of the best using our data-backed approach.

Here’s a look at the best 100 Gallon Aquarium Filter

Bestseller No. 1
Marineland PF0350B Penguin Power Filter, Upto 75 Gallons, 350 GPH
1,786 Reviews
Marineland PF0350B Penguin Power Filter, Upto 75 Gallons, 350 GPH
  • WITH ROTATING BIO-WHEEL: Patented Bio-Wheel technology provides excellent wet/dry biological filtration.
  • MULTI-STAGE FILTRATION: Delivers mechanical, chemical and biological aquarium filtration to maintain a clean aquatic environment.
  • COMPATIBILITY: Use with Marineland Rite-Size Filter Cartridges (see individual filter for sizing recommendations).
  • FIVE SIZES: Available in 75 GPH, 100 GPH, 150 GPH, 200 GPH and 350 GPH sizes.
  • age range description: All Life Stages
SaleBestseller No. 2
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. 3
Marineland Magniflow Canister Filter For aquariums, Easy Maintenance
486 Reviews
Marineland Magniflow Canister Filter For aquariums, Easy Maintenance
  • 3-STAGE FILTRATION: Water flows through media layers to filter water and ensure a clean aquatic environment.
  • VERSATILE: For freshwater and saltwater aquariums.
  • EASY MAINTENANCE: Valve block for quick release to shut down water flow – separates from housing for quick, spill-free maintenance.
  • THREE SIZES AVAILABLE: Comes in 220 GPH, 360 GPH and 360 GPH sizes.
Bestseller No. 4
Penn Plax Cascade Hang-on Aquarium Filter with Quad Filtration System Cleans Up to 100 Gallon Tank...
745 Reviews
Penn Plax Cascade Hang-on Aquarium Filter with Quad Filtration System Cleans Up to 100 Gallon Tank...
  • Hang on aquarium filter quietly delivers 300 gallons per hour of crystal clear water for your fresh or marine aquariums from 55 to 100 gallons in size.
  • Revolutionary Bio-Falls Quad-Filtration system provides efficient filtration with anaerobic bacteria for additional ammonia and nitrite removal providing maximum oxygenation.
  • Activated carbon cartridge removes harmful chemicals, toxins, odors, discoloration, and other contaminants for your aquarium.
  • Internal sponge optimizes colonization of beneficial anaerobic bacteria and polyfiber floss cartridge traps floating particulate matter.
  • Adjustable flow knob allows you to reduce filtration during feeding times or as needed. Aquarium filter is recommended for both freshwater and saltwater applications.
Bestseller No. 5
Flexzion Aquarium Canister Filter for up to 100 Gallon Fish Tank - 370GPH, with UV Sterilizer 3...
  • Suitable for fish tanks up to 100 gallons. Maximum flow rate: 370GPH, great for freshwater and saltwater aquariums
  • 3-stage media trays for your choice of filtration media. Includes spray bar to adjust the output flow from the filter effortlessly
  • Built-in 9 Watt UV sterilizer to get rid of algae, spores, and bacteria, gives your fish tank a healthy, crystal clear water
  • Convenient primer pump button to eliminate air out of the filter. Single valve disconnect & priming pump for easy maintenance
  • This canister filter provides smooth, quiet, and efficient filtration, perfect for living rooms, offices or bedrooms
Bestseller No. 6
AquaClear - Fish Tank Filter - 20 to 50 Gallons - 50v
3,700 Reviews
AquaClear - Fish Tank Filter - 20 to 50 Gallons - 50v
  • Refiltration system that offers superior contact time with filter media and energy efficient pump lowers operating costs
  • Quick and Easy Installation
  • Filtration volume is upto 7 times larger than comparable filters
  • Comes equipped with AquaClear Foam, Activated Carbon and BioMax and Cycle Guard for continuous biological filtration and superior water quality
  • 2 year warranty; Ideal for aquariums upto 50 gallons
Bestseller No. 7
Fluval 307 Perfomance Canister Filter
  • The 07 series features new engineering solutions that work cohesively to produce a fluent operation that is up to 25% quieter than before
  • Depending on the model selected, the 07 Series generates between 145 - 383 US Gal/h (550-1, 450 L/h) of constant pumping power and pressure that endures over time
  • 07 filters are big on power, yet small on energy consumption. The 107 and 207 models, for example, draw as little as 10 watts of electrical energy, which is EQUIVALENT TO A SINGLE HOUSEHOLD LED LIGHTBULB!
  • The 07 Series features several new design refinements that reduce the effort and time involved for maintenance, so you can spend more time enjoying your aquarium, and less time working it
  • The 07 Series utilizes every square inch of available canister volume, and positions media resourcefully to maximize media space in a compact footprint