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 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.
SaleBestseller No. 2
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.
SaleBestseller No. 3
Aqueon QuietFlow Canister Filter 55-100 Gallons
  • Experience a unique hang-on-the-back water polishing unit that makes maintenance quick and easy, simply replace the cartridge
  • Includes quick disconnect valves, pump locking heads, water intake/output connections, hoses, water polishing unit with cartridge and media: activated carbon, coarse foam, bio-balls, bio-ceramic rings
  • Multiple water return options for optimal versatility to best suite a variety of aquarium habitats; spray bar, water director and water polishing unit
  • Multi-stage filtration that includes biological, chemical and mechanical
  • Fits up to 75 gallon aquariums
Bestseller No. 4
Fluval FX4 High Performance Aquarium Filter, Canister Filter for Aquariums up to 250 Gal., A214
  • Multi-stage filter pumps out 700 US Gal (2650 L) of water per hour
  • Smart Pump advanced microchip technology continuously monitors and optimizes pump performance
  • Self-starting – just add water, plug in and Smart Pump will take over. Trapped air auto-evacuated every 12 hours to ensure maximum efficiency
  • Easy water changes eliminate need to lift heavy buckets. Simply attach hosing to output and Smart Pump does the rest
  • Removable, stackable media baskets eliminate water bypass and hold a total of 1 US Gal (3.9 L) of media
Bestseller No. 5
MarineLand Penguin 350 Power Filter
1,786 Reviews
MarineLand Penguin 350 Power Filter
  • 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
Bestseller No. 6
Polar Aurora Free Media 3 Stage 100 Gallon 370 GPH Aquarium Filter
24 Reviews
Polar Aurora Free Media 3 Stage 100 Gallon 370 GPH Aquarium Filter
  • good
  • high quality
  • With free media
  • DIMENSION: 10 X 10 X 17 inches, Max Flow Rate: 370 GPH (1400L/h)
  • 3-stage
Bestseller No. 7
Ultra Quiet Fish Tank Filter 4-in-1 Internal Aquarium Filter,500-1800L/H Submersible Water Pump...
  • 【 Wide applications 】This Ultra quiet designed filter water pump fits 100-250 gal tank,has a wide range of applications that it can be used in aquariums, ecological tanks, breeding ponds, landscape tubes, gardens, rockery fountains, Waterfalls, Hydroponic systems, Irrigation systems etc.
  • 【 Multi-function free switching 】: This filter come with 3 kinds of water outlet,you can switch increase oxygen and filtration, wave maker pump, water change and pump water function easily
  • 【 Effecticent filteration designed 】 Increase filter box size and install 2 pieces Biochemical-sponge,which can effectively filter waste and improve the circulation system to maintain a clean water environment. easy to seperate and clean.
  • 【 Product parameter 】Power: 25W, Maximal Flow Rate: 400GPH (1500L/H), Maximal Lift height: up to 1.8M, Length of power cord:1.1M.
  • 【 Submersible pump function 】: Ip68 Waterproof & Electric Leakage Prevention,it can used as a submersible pump with diameter of 12 / 16mm outlet,compatible with most of the hose caliber.