Best Filter Media For Freshwater Aquarium – Top 7 Picks and Reviews 2020

We looked at all of the review sites and found the best of the best using our data-backed approach.

Here’s a look at the best Filter Media For Freshwater Aquarium

SaleBestseller No. 1
Aquarium Filter Media Pad Cut to Fit Roll, 12" x 72" (6 ft)
  • Non-toxic - Safe and Durable
  • Optimum waterflow with cleaning efficiency
  • Works with Fresh or Salt water
  • 12" wide 1" thick - Cut to fit media roll
  • 100% Satisfaction Guranteed
Bestseller No. 2
AQUANEAT Bio Ball Filter Media Bacteria House for Freshwater Aquarium and Marine Fish Tank Sump •...
  • Highly porous structure allows beneficial bacteria to develop quickly and produces both mechanical and biological filtration. Suitable for both freshwater and saltwater filters
  • The bacteria house is rich in tourmaline, which emits FAR infrared rays allowing more oxygen to be dissolved in the water
  • Size of bacteria house ball: 3/4"x3/4" (20mmx20mm)
  • Free reusable media bag for easy handling: Size of media mesh bag: 12x10.5 inch
  • Includes: Total 1 Gallon (2000g), 450-500 pieces
Bestseller No. 3
Marineland Diamond Blend 50 Ounces, Ammonia-Neutralizing Zeolite And Carbon, aquarium Filter Media
  • REMOVES AMMONIA Blend of Black Diamond Premium Activated Carbon and Zeolite removes toxic ammonia and impurities
  • FOR FRESHWATER Ideal for all freshwater aquariums and ponds
  • TEST FREQUENTLY Test water regularly for ammonia levels and add Diamond Blend as instructed
  • MARINELAND FILTRATION PRODUCTS Count on Marineland brand for the most reliable technically advanced aquariums and accessories on the market
SaleBestseller No. 4
boxtech Aquarium Filter Media, Ceramic Biological Filter Media for Marine and Freshwater Fish Tank,...
37 Reviews
boxtech Aquarium Filter Media, Ceramic Biological Filter Media for Marine and Freshwater Fish Tank,...
  • 🐟【Top Performance】Aquarium Ceramic bio media made of ceramic material, the three-dimensional pores formed by the spheres and spheres produce a powerful bacteria effect 10 times that of the conventional filter materials.
  • 🐟【Improve Water Quickly】Ceramic bio media can be placed directly in the fish tank or water quality filtration system, decompose harmful ammonia (NH3/4), nitrite (NO2) and nitrate (NO3) in water to establish a healthy water nitration system.
  • 🐟【High Temperature Sintering】Filter Media with VAST SURFACE AREA and OPEN-FLOW POROSITY, 1300 degree high temperature sintering treatment, makes Water More Cleaner.
  • 🐟【Stable Ceramic Biomedia】Filter Media with the function of strong absorbing water, not clogging and won’t affect water chemistry, long-term placement in water does not disintegrate.
  • 🐟【Comprehensively Compatible】Lighter and more effective than Live Rocksuit for 5-150 Gallon FreshWater and marine SaltWater Aquarium fish tank.
SaleBestseller No. 5
Polishing Filter Pad 100 Micron - 1 Pack -Superior Aquarium Prefilter Media - Cut to Fit 24' by 36'...
253 Reviews
Polishing Filter Pad 100 Micron - 1 Pack -Superior Aquarium Prefilter Media - Cut to Fit 24" by 36"...
  • TRAPS FINE PARTICLES - Our 100 Micron Polishing Filter Pads’ dense fiber network traps large to very fine particles floating in your freshwater or saltwater aquarium to produce sparkling clear water. Its durable design allows THIS PAD TO BE CLEANED AND REUSED MANY TIMES.
  • CUT TO FIT - This 24 inch by 36 inch by 1/8 inch thick filter pad can EASILY BE CUT TO SIZE and will save you even more money over purchasing ready-made pre-cut filter media. Our polishing pad can be used in wet/dry filters, sumps, aquaponics system, and much more. Also available in a 4 pack.
  • WATER QUALITY- Place our polishing pad in the path of flowing water TO TRAP LARGE AND FINE FLOATING PARTICULATES. This filter pad is very efficient at trapping very fine particles so regular cleaning of the pad is necessary. It may BE USED ALONE OR LAYERED WITH OTHER FILTER PADS such as our Classic or Premium filter pads to extend cleaning time.
  • HIGH QUALITY AND DURABLE - Our polishing pad is constructed with interwoven polyester fibers making it STRONG AND DURABLE ENOUGH TO EVEN BE CLEANED IN A WASHING MACHINE. This pad’s consistent, reliable design gives superior filtration.
  • TIPS – To increase efficiency and extend use of our polishing pad, have water flow through a pre-filter pad such as our FIlterFirst or CalssicBlue then through the polishing pad.
SaleBestseller No. 6
BrightWater Aquarium Filter Media, Ceramic Filter Ring, Ceramic Ring Fish Filter for Aquarium, Bio...
32 Reviews
BrightWater Aquarium Filter Media, Ceramic Filter Ring, Ceramic Ring Fish Filter for Aquarium, Bio...
  • Forged at high temperatures to reduce flaking and erosion
  • Encourages growth of biological colonies and holds large amounts of good bacteria
  • Ideal for both freshwater and saltwater, fits most filters, and tanks
  • Reduces ammonia and nitrate levels
  • W 0.39” x H 0.39” / W 1 CM x H 1 CM
Bestseller No. 7
CerMedia MarinePure 1.5-Inch Sphere Bio-Filter Media for Marine and Freshwater Aquariums, 1-Gallon
  • Ceramic Bio-filter Media with Vast Surface Area AND Open-Flow Porosity
  • Ammonia and Nitrite Removal
  • Nitrate Reduction
  • Inert Ceramic
  • For SaltWater and FreshWater Aquariums