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Best BIO RINGS FOR AQUARIUMS

At Aquarium Accessories Reviews, we take pride in our rigorous review process. Each product is handpicked based on market research, personally tested by our experienced team for functionality and durability, and evaluated for value for money. Alongside our hands-on experience, we also consider real user feedback. This meticulous approach ensures we provide honest, transparent, and comprehensive reviews to guide your aquarium accessory purchases.

We will continue to update this buyer's guide once a month or two.

The best BIO RINGS FOR AQUARIUMS in 2024 - Detailed Product Descriptions

1. AquaClear 20 BioMax, Aquarium Filter Replacement Media, A1370A1

By Brand: Aqua Clear

AquaClear 20 BioMax, Aquarium Filter Replacement Media, A1370A1

BioMax large surface area provides optimal colonization of beneficial bacteria
Promotes ammonia and nitrite reduction
Replacement media designed to fit the AquaClear 20 Power Filter
Suitable for both freshwater and saltwater aquariums up to 20 gallons
Includes one insert of AquaClear BioMax

2. Penn-Plax Cascade Filt-a-Pack Aquarium Canister Filter Media Bag with Bio Rings – 10 Oz – 1-Pack

By Penn-Plax Store

Penn-Plax Cascade Filt-a-Pack Aquarium Canister Filter Media Bag with Bio Rings – 10 Oz – 1-Pack

BIOLOGICAL FILTRATION: Along with providing a compact and easy-to-handle design, the nylon mesh filter bag helps create a simple solution to aquarium canister filter media replenishment.
CLEAN, CRYSTAL-CLEAR WATER: The ring-filled bag helps establish a biological bed for your aquarium, and optimize the colonization of anaerobic bacteria.
HELPFUL INSTRUCTIONS: If you notice that the Bio Rings are getting a bit clogged, simply clean them in a separate container with some of your aquarium’s water. This allows for the colony of anaerobic bacteria to remain intact within the porous Bio Rings.
MEASUREMENTS: Size = 10 Oz / Quantity = 1-Pack
SHOP PENN-PLAX FOR ALL YOUR PET’S NEEDS: PENN-PLAX is a manufacturer and distributor of top quality pet supplies, who specialize in creating excellent pet products for animals, both great and small.

3. Fluval BioMax Biological Material Remover, 500 g - Biological Filter Media for Aquariums

By Fluval Store

Fluval BioMax Biological Material Remover, 500 g - Biological Filter Media for Aquariums

Filter Compatibility: Compatible with Fluval Filter Series 106, 206, 306, 406, FX5, FX6, 105, 205, 305, 405, 104, 204, 304, and 404.
Water Clarification: BioMax is a premium-grade biological filter media that provides superior filtration and helps reduce and control ammonia and nitrate levels for a healthy nitrogen level in the water.
Ideal Environment: BioMax helps create crystal clear water, making ideal conditions for fish and plants in your tank. The complex porous design ensures optimal contact time as water passes through.
Versatile: This filter media is suitable for freshwater and saltwater aquariums. Replace monthly for best results. Please note, replenish only half the filter media at one time to allow proper seeding.
Additional Features: Will not affect water characteristics.

4. MarineLand Ceramic Filter Rings 140 Count, Supports Biological aquarium Filtration, Fits C-Series And Magniflow, 140 rings (PA11484)

By MarineLand Store

MarineLand Ceramic Filter Rings 140 Count, Supports Biological aquarium Filtration, Fits C-Series And Magniflow, 140 rings (PA11484)

CERAMIC FILTER RINGS Provides a porous surface area for the growth of beneficial bacteria
FOR BIOLOGICAL FILTRATION Important for maintaining a clean and healthy aquatic environment
COMPATIBILITY Fits all Marineland C-Series and Magniflow Canister FiltersQUANTITY Contains 140 ceramic filter rings
MARINELAND FILTRATION PRODUCTS Count on Marineland brand for the most reliable technically advanced aquariums and accessories on the market
Age range description: all ranges
Included components: Marineland PA11484 Canister Filter Ceramic Rings, 140-Count
Provide Porous Surface Area for Support of Biological Filtration

5. Marineland Bio-Filter Balls, Supports Biological aquarium Filtration, Fits All C-Series Canister Filters 90 Count (Pack of 1)

By MarineLand Store

Marineland Bio-Filter Balls, Supports Biological aquarium Filtration, Fits All C-Series Canister Filters 90 Count (Pack of 1)

BIO-FILTER BALLS: Provide a larger, multi-faceted area for the growth of beneficial Bio-Spira bacteria.
FOR BIOLOGICAL FILTRATION: An important component of maintaining a clean and healthy aquatic environment.
COMPATIBILITY: Fits all Marineland C-Series Canister Filters – Rite-Size S and T.
QUANTITY: Contains 90 Marineland Bio-Filter Balls.
MARINELAND FILTRATION PRODUCTS: Count on Marineland brand for the most reliable, technically advanced aquariums and accessories on the market.

6. Fluval EDGE Foam & Biomax Filter Media Renewal Kit

By Fluval Store

Fluval EDGE Foam & Biomax Filter Media Renewal Kit

Keeps unwanted waste from harming your fish
Rids your tank of debris and also makes use of beneficial bacteria in your aquarium
Includes one foam block and one bag of BioMax, 2.1 ounces
Replace every 2 to 3 months

7. Fluval Pre-Filter Media, Mechanical Filter Media for Aquariums, Ceramic Rings, 26.45 oz., A1470

By Fluval Store

Fluval Pre-Filter Media, Mechanical Filter Media for Aquariums, Ceramic Rings, 26.45 oz., A1470

Mechanical filter media prevents finer filter media from clogging
Solid ceramic rings trap large and medium solid particles
Works to prevent clogging of finer filter modules
Helps reduce the replacement frequency of filter media
Ideal for medium and coarse filtration in freshwater and saltwater aquariums

8. CNZ® Aquarium Filter Media Kits (Double Pack) - Activated Carbon, bio Ball, Ceramic Ring

By Brand: CNZ

CNZ® Aquarium Filter Media Kits (Double Pack) - Activated Carbon, bio Ball, Ceramic Ring

Removes odor, colors, organic pollutants, Helps reduce and control ammonia and nitrate
For freshwater or marine environments
Extremely porous ceramic media for efficient biological filtration.
provides superior filtration and beneficial bio-filtration growth
increase dissolved oxygen levels

9. Aquarium Filter 50 Piece Ceramic Rings Plus Bio Balls in Media Bags for Aquarium Canister, 500 g

By Brand: LARRY LEVINE

Aquarium Filter 50 Piece Ceramic Rings Plus Bio Balls in Media Bags for Aquarium Canister, 500 g

Bio balls are state of the art filter media for use in freshwater and saltwater wet/dry systems
Extremely porous ceramic media for efficient biological filtration
This listing is for one bag of bio ball and one bag of ceramic ring

10. Aquapapa Aquarium Filter Media Zipper Mesh Bags for Pellet Carbon Bio Balls Ceramic Rings Ammonia Remover

By Brand: Aquapapa

Aquapapa Aquarium Filter Media Zipper Mesh Bags for Pellet Carbon Bio Balls Ceramic Rings Ammonia Remover

Zipper design, reusable; great for use in canister filter system.
Mesh holes diameter: 2mm (0.08"). Any particles less than 2mm (0.08") will pass through the bag.
This bag is good for holding large media items, such as Pellet carbon, bio balls, bio ceramic rings, lava rocks, zeolite, gravel. NOT for fine, granulated charcoal media. *It is NOT intended for use with smaller particle media, such as Seachem Purigen, Seachem Phosguard, Seachem Gel Mix, Marineland Diamond-Blend Carbon/Ammonia Crystal Mix, BRX Rox, Fluval branded activated carbon, GFO/GAC, etc. Above brand name charcoal media will escape from the bag.
Bag size: 8" x 5.5". Bag material: nylon. Zipper & pull material: plastic.
Includes: 3 pcs of mesh bag. Good for use in both freshwater and salt water tank.

11. Aquacity™ Premier Bio Ceramic Rings in Media Bag for Aquarium Fish Canister Filter (4 Bags (4 Lbs))

By Brand: AquaCity

Aquacity™ Premier Bio Ceramic Rings in Media Bag for Aquarium Fish Canister Filter (4 Bags (4 Lbs))

Ready to use media bags, convenient use for all types of filters. Good to use in both fresh and saltwater tank.
Hollow shape enhances biological filtration capacity allowing water flow through and less likely to get clogged.
Porous ceramic material offers efficient biological filtration and maintain a health aquatic environment for your tank.
4 lbs in 4 mesh bags. Size of the ceramic rings: 11/16"x 5/8". Media bag size: 8"x 5.5". Reusable mesh bags; the zipper is made of plastic.
Brand: AQUAPAPA

12. CNZ Premier Bulk Bio Ceramic Rings Filter Media for Aquarium Koi Fish Pond Reef Filter (5-lbs)

By Brand: CNZ

CNZ Premier Bulk Bio Ceramic Rings Filter Media for Aquarium Koi Fish Pond Reef Filter (5-lbs)

Supports good bacteria to boost water quality in aquarium fish tanks or fish pond
Superior biological filtration breaks down ammonia, nitrite, & nitrate
Great for canister filter, box filter, wet and dry filter, DIY filter.
Ceramic ring size: 5/8"x 5/8"; Weight: 5 lbs
Media bag size: 10.5 x 10.5 inch

13. Hamiledyi Aquarium Filter Media Bio Balls Ceramic Rings Fish Tank Pond Biofilter Filter Media 500g with Mesh Bag

By Hamiledyi Store

Hamiledyi Aquarium Filter Media Bio Balls Ceramic Rings Fish Tank Pond Biofilter Filter Media 500g with Mesh Bag

Hamiledyi Aquarium filter media, including bio ceramic rings, ceramic bio balls, activated carbon, volcanic rock, etc., 12 kinds of filter media combinations.
Wide range of uses: it can be used as a fish tank pond filter media, aquarium filter media, suitable for hanging filters, power filters, water tanks and other aquarium filters.
Through the use of ceramic bio balls, bio ceramic rings, activated carbon, volcanic rock and other combinations of more than ten kinds of biological filter materials. Effectively absorb particles and debris, solve the problem of muddy water, and stabilize the water quality of the aquarium.
Packaging: 500 grams (1.1 pounds) fish tank filter media, all biological filter media are packed in an ordinary plastic mesh bag (It's not a filter bag). Before use, please rinse with water, and then put it in the fish tank or filter.
When the product is updated, the filter media such as aquarium ceramic ring and bio ball may be slightly changed. If you have any questions or better suggestions, please contact us!

14. Segarty Aquarium Media Bags, 10PCS 7.7x5.9in Nylon Mesh Aquarium Filter, Media Bags with Plastic Zipper, Fish Tank Net Bags for Pellet Carbon, Bio Balls, Ceramic Rings, Ammonia Remover, White

By Segarty Store

Segarty Aquarium Media Bags, 10PCS 7.7x5.9in Nylon Mesh Aquarium Filter, Media Bags with Plastic Zipper, Fish Tank Net Bags for Pellet Carbon, Bio Balls, Ceramic Rings, Ammonia Remover, White

Versatile media bags are designed for filtration applications, This bag is good for holding large media items, such as Pellet carbon, bio balls, bio ceramic rings, crushed lava rocks, zeolite, gravel. Not for fine, granulated carbon charcoal media. Prevent media from entering your filter system and make your pond clean.
Zipper is plastic, you do not worry it would rust and produce harmful substances, it great for use in canister filter system, also can be used as laundry bags, storage bags.
These unique mesh filter bags are easy to fill and empty with top zipper design to keep filter media secure. Our bags are durable, washable, and can be reused.
Our bags close tight to prevent loose media from potentially causing damage to your water pump or power filter's motor. The bag is nylon and completely safe for both fresh and saltwater aquariums.
We pride ourselves on that. We want you to know that you matter to us here at segarty. We would offer you risk-free satisfaction guarantee to let you buy with confidence; no questions asked. YOU are our number 1 priority!

15. Aqueon Filter Media Bio-Ceramic Rings 1 LB

By Aqueon Store

Aqueon Filter Media Bio-Ceramic Rings 1 LB

For use with freshwater or saltwater applications
Promotes beneficial biological bacteria growth on its surface area
Can be used with various fish tank filters, including the Aqueon Canister Filters

16. Powkoo Aquarium Filter Media Bags Mesh Bags with Zipper for Activated Carbon, Bio-Ball, Ceramic Rings, Ammonia Remover (7"x 5" 5-Pack)

By Brand: Powkoo

Powkoo Aquarium Filter Media Bags Mesh Bags with Zipper for Activated Carbon, Bio-Ball, Ceramic Rings, Ammonia Remover (7

Perfect product to use in canister filtration systems, aquarium, pond filter, holds media to properly ensure a clean aquarium
Powkoo Aquarium media filter bag, it works great for keeping medium to large sized filter media in the bag.
Bag size: 7" x 5". Mesh holes diameter: 2mm (0.08"), Bag material: nylon, Zipper material: plastic.
Comes with five media bags, zipper closure design, reusable, easy to clean old media out and refill
Perfect for use with activated carbon, bio-ball, zeolite, pellets, gravel, ceramic rings, ammonia remover or any other aquarium filter media.

17. DEPEPE 10pcs Aquarium Filter Media Bags with Zipper for Activated Carbon, Biospheres, Ceramic Rings

By DEPEPE Store

DEPEPE 10pcs Aquarium Filter Media Bags with Zipper for Activated Carbon, Biospheres, Ceramic Rings

Material: Polyester: Zipper Material: Plastic
Package contains: 5 white filter bags + 5 black filter bags
Filter bag size: 15cm*20cm/5.9"*7.8"
Mesh hole diameter: Approx. 1mm, suitable for respiratory biological rings, activated carbon, volcanic rocks, coral sands, ceramic rings, etc. Not applicable for finer particles.
Filter bags are good for various filters, including fresh water tanks, tank filters, power filters, etc.

18. Reefing Art Ceramic Bio Filter Media Vast Surface Area for Aquarium Sump Canister (1 Box / 24 pcs)

By Brand: Reefing Art

Reefing Art Ceramic Bio Filter Media Vast Surface Area for Aquarium Sump Canister (1 Box / 24 pcs)

Each box: 24 pcs / half gallon / 1.75lbs
Remove ammonia & nitrite, vast surface area / porous internal structure results in superior efficiency
For freshwater, pond and saltwater fish tank use
100% aquarium safe non-metallic ceramic, will not leach aluminum or any heavy metal

19. QUIETFLOW BIO CERAMIC RINGS

By Aqueon Store

QUIETFLOW BIO CERAMIC RINGS

2 1-pound boxes Bio-Ceramic Rings
Biological filter media for both fresh and salt water aquariums
Bio-Ceramic Rings provide ample surface area for beneficial bacteria colonization
Beneficial bacteria break down toxic ammonia to help keep your fish healthy and reduce tank odors
Aqueon Filter Media can be used with various fish tank filters (hang-on-the-back, internal, canister, sump, etc.) to improve appearance and quality of aquarium water for fish

20. ALEGI Aquarium Premier Bulk Bio Ceramic Rings Filter Media for Fresh Water, Sea Water Fish Tank Canister Filter,Koi Fish Pond Reef Filter (4 lbs)

By ALEGI Store

ALEGI Aquarium Premier Bulk Bio Ceramic Rings Filter Media for Fresh Water, Sea Water Fish Tank Canister Filter,Koi Fish Pond Reef Filter (4 lbs)

Good to use for both fresh and saltwater aquariums
Ready to use bags, convenient use for all types of filters.
The ceramic material that the ceramic rings is made of is porous.
Ceramic ring size: 1/2 "x 1/2 ", Contain: 4 lbs
Comes with 4 Pcs zip mesh bag

21. 54pcs 3.8 Inch Long Large Aquarium Ceramic Filter Media,Ceramic Bio Media Blocks for Fish Tank and Koi Pond

By Brand: Aquafa

54pcs 3.8 Inch Long Large Aquarium Ceramic Filter Media,Ceramic Bio Media Blocks for Fish Tank and Koi Pond

The aquarium filter media is made of with porous ore, rich minerals and fine porous volcanic ash refined.
Ceramic media covered with thousands of porous tiny holes provides large surface area.
Highly porous ceramic material produces both mechanical and filtration, Balance PH value and adsorb impurities
Crack into pieces to any size needed, great for used in freshwater aquariums, planted aquariums, sumps and ponds.
Each Box: 54pcs, Media size: 3.8x1x1 Inch

22. Reefing Art Ceramic Filter Media Bio Filter Rings 0.7lb / 2lb / 4lb / 8lb (140ct / 0.7lb)

By Brand: Reefing Art

Reefing Art Ceramic Filter Media Bio Filter Rings 0.7lb / 2lb / 4lb / 8lb (140ct / 0.7lb)

140 Rings / 0.7lb
Rated for 20-40 gal / total 3800 ft surface area, porous internal structure
Free media mesh bag with plastic zipper rust free
Remove ammonia & nitrite, provide excellent biological aquarium filtration
100% aquarium safe non-metallic ceramic

23. Aquarium Fitler Media Ceramic Rings, Bio Ceramic Filter Media for Pond Fish Tank Canister Filter (6 lbs)

By Brand: Aquafa

Aquarium Fitler Media Ceramic Rings, Bio Ceramic Filter Media for Pond Fish Tank Canister Filter (6 lbs)

Biological filtration media that helps remove ammonia in the water
Good to use for both fresh and saltwater aquariums
The ceramic bio rings filter media are extremely porous.
Ceramic ring size: 1/2"x 1/2"
Package includes: 6 lb bio rings filter media in 6 mesh bag

24. JIHAQUA Aquarium Bio Ceramic Rings 10 lbs Filter Media for Pond Fish Tank Canister Filter

By Brand: JIHAQUA

JIHAQUA Aquarium Bio Ceramic Rings 10 lbs Filter Media for Pond Fish Tank Canister Filter

10 lbs in 10 mesh bags. Size of ceramic ring: 1/2" x 1/2".
Good to use in both fresh and saltwater tank.
Porous design ensures optimal contact time as water passes through.
Will not affect water characteristics.
Ready to use media bags, convenient use for all types of filters.

25. SOYEAHZ Aquarium Filter Media Ceramic Bio Balls Bio Filter Media Bio Ceramic Rings for Marine and Freshwater Fish Tank 99% Dust Free

By Brand: SOYEAHZ

SOYEAHZ Aquarium Filter Media Ceramic Bio Balls Bio Filter Media Bio Ceramic Rings for Marine and Freshwater Fish Tank 99% Dust Free

Aquarium filter media is composed of natural materials,Improve water quality microcirculation and enhance metabolism and Increase the energy of fish.
The bio balls adopt hollow principle design ,One bio ball bacteria culture area is 58㎡,you'll have clear water in a short time.
Bio media with vast surface area and open-flow porosity,high-temperature processing not easy pulverization.
A perfect biological filter media to use for sump tanks, marine and freshwater fish tanks, ponds, canister filter and hang on filter.This bio media is REUSABLE by rinsing in 5 years.
Size:0.28-0.35inch/7-9mm and Weight 700g

26. ALEGI 6 lbs Aquarium Ceramic Bio Filter Media Sphere for Freshwater Aquarium and Marine Fish Tank Sump, Canister Filter, Koi Ponds

By ALEGI Store

ALEGI 6 lbs Aquarium Ceramic Bio Filter Media Sphere for Freshwater Aquarium and Marine Fish Tank Sump, Canister Filter, Koi Ponds

Ready to use bags, convenient use for all types of filters.
Suitable for both freshwater and saltwater filters.
Flter bio-balls excellent for oxygenating your water and helping the gas exchange process.
6 lbs Ceramic Bio Filter Media Sphere Come with 6 Free reusable media bag for easy handling
Aquarium media effectively absorbs fish waste and debris, providing crystal clear water for fish to thrive.

27. ZHHMl Aquarium Fitler Media Aquarium Bio Balls Filter Media, Pond Bio Filter Media with Attached mesh Bag 1.1 lbs (Filter Bead)

By ZHHMl Store

ZHHMl Aquarium Fitler Media Aquarium Bio Balls Filter Media, Pond Bio Filter Media with Attached mesh Bag 1.1 lbs (Filter Bead)

✅ Function: Bacteria can be highly efficient with filters. Pore structure can be an excellent breeding bed for nitrifying bacteria and excellent water
✅ Easily Improve Water Quality: Placing filter material in fish tank and pond.The product can filter and purify water sources in an all-round way, improve the quality of aquarium water, resolve impurities, stabilize PH, clarify your water naturally and cultivate beneficial bacteria with these bio-balls.and create a good living environment for fish.
✅ Wide range of uses: it can be used as a fish tank pond filter media, aquarium filter media, suitable for hanging filters, power filters, water tanks and other aquarium filters.
✅ Packaging: 500 grams (1.1 pounds) fish tank filter media, all biological filter media are packed in a mesh bag.
✅ ZHHMl Suggestion & Refund Guarantee: The product contains natural ingredients. Please clean it before use.It's best to use water from a fish tank or chlorine-free water for cleaning. and then put it in the fish tank or filter. If you are not satisfied with the product, we will provide you with 100% refund service.

28. EDOTFISH Aquarium Filter Bio Balls Filter Aquarium Fish Tank Filter Media Ceramic Ring Biological Ball(New Upgrade)

By Brand: EDOTFISH

EDOTFISH Aquarium Filter Bio Balls Filter Aquarium Fish Tank Filter Media Ceramic Ring Biological Ball(New Upgrade)

Effectively absorbs particles and debris;Suitable for crystal clear aquarium water,freshwater and marine environments
Resolve impurities,Stabilize PH,Clarify your water naturally and cultivate beneficial bacteria with these bio-balls.
There is a hollow in the middle of the biological column filtering medium, can provide an anaerobic environment, reducing the content of nitrates in water, and promote more healthy water quality.
Use scientific method,reasonable filter material,the filter media works better.
The package includes:1 pack (1.1lbs) ,the quantity of 12 kinds of filter media are random ration

29. ZZLZX 1Set Aquarium Filter Media Bio Balls Ceramic Rings with Mesh Bag and Zipper Pond Biofilter Filter Media 500g Filter Mesh Bag

By Brand: ZZLZX

ZZLZX 1Set Aquarium Filter Media Bio Balls Ceramic Rings with Mesh Bag and Zipper Pond Biofilter Filter Media 500g Filter Mesh Bag

Twelve different styles: 12 kinds of mixed filter media, including activated carbon, biological ball, ceramic ring, volcanic rock, etc. they can be used for various functions. One package can meet your needs to improve water quality.
Healthy water quality: the strong absorption of natural minerals can make the filtration effect play better, improve the water quality of aquarium, dissolve impurities, stabilize pH, and naturally purify water to make the filtration effect play better. It can not only solve the water quality problem of fish tank, but also save your time.
Working principle of filtration: Aquarium biofilter is an excellent interaction between air, water and gas exchange. It can decompose impurities through these biological spheres, naturally clarify water, promote water health, cultivate beneficial biological substances and stabilize pH value.
Package includes: 1 set (500g fish tank filter medium + 1 zipper mesh bag); Support biochemical filtration, solve the problem of water turbine, make the fish tank water clear and healthy, and help create a healthy environment for your fish.
Scope of application: they can be used in ponds, freshwater fish tanks, seawater aquariums, fish hatcheries, etc. they are applicable to any freshwater or salt water aquarium or mini coral reef aquarium. The products contain natural ingredients and should be cleaned before use. It is best to use the water in the fish tank or non chlorinated water for cleaning.

30. Replacement Sponge Foam with Ceramic Ring Filter Media Kit for AquaClear 70, Insert Foam Filter Pads fit for AC70 (2 Sponge + 1 lbs Ceramic Ring)

By Brand: AFACYGN

Replacement Sponge Foam with Ceramic Ring Filter Media Kit for AquaClear 70, Insert Foam Filter Pads fit for AC70 (2 Sponge + 1 lbs Ceramic Ring)

Perfect Fit: Designed specifically for the AquaClear 70 filter media compartment, the AquaClear 70 Filter Media Kit provides a perfect fit without any compatibility concerns.
Easy to Install and Replace: The filter media kit is easy to install and replace, simplifying the maintenance process and making it more convenient for you.
High Durability: Made with high-quality materials, the AquaClear 70 Filter Media Kit is durable and provides a long service life, giving you peace of mind and saving you money in the long run.
Economical and Affordable: Priced competitively, the AquaClear 70 Filter Media Kit is a cost-effective solution for keeping your aquarium water healthy and clean.
Excellent Filtration: With 2 bio-filter sponge and 1 bags of high-quality ceramic filter media, each weighing 1.2lbs, the AquaClear 70 Filter Media Kit effectively filters impurities, waste, and harmful substances, keeping your aquarium water clean and clear.

31. AFACYGN Aquarium Bio Filter Media Sponge with Ceramic Media Kit for ML350, Foam Filter Pad Inserts and Ceramic Ring for ML350 (2 Sponge + 2 Bag Ceramic Ring)

By Brand: AFACYGN

AFACYGN Aquarium Bio Filter Media Sponge with Ceramic Media Kit for ML350, Foam Filter Pad Inserts and Ceramic Ring for ML350 (2 Sponge + 2 Bag Ceramic Ring)

Non-branded Foam With Ceramic Ring Filter Media Kit Compatible to ML350.
Efficient filtration: This combo includes 2 dense filter sponges and 2 bags of high-quality ceramic filter media that can effectively remove pollutants from the water and improve water quality.
Easy to install and clean: This combo is easy to install and clean, allowing users to easily maintain their filter.
Low maintenance: This combo is ideal for low-maintenance users because it can maintain water quality without the need for frequent replacement or cleaning.
Longevity: This combo is made of high-quality materials that are durable and can provide long-term filtration, saving users time and money.

32. SimiAqua Biological Filter Media - Bio Balls Ceramic Rings Set with Mesh Bag for Aquarium Filter, Pond and Fish Tank (500g, 1.1lb)

By Brand: SimiAqua

SimiAqua Biological Filter Media - Bio Balls Ceramic Rings Set with Mesh Bag for Aquarium Filter, Pond and Fish Tank (500g, 1.1lb)

Biological filter media that provides superior filtration
Helps reduce and control ammonia and nitrate
Promotes beneficial biological bacteria growth on bio balls and ceramic rings surface
For use with freshwater or saltwater applications
Can be used with various fish tank filters, Canister Filter and Pond Filter

33. Pawfly Aquarium Corner Sponge Filter Quiet Small Fish Bio Foam Filter with Natural Stones Gravels and Ceramic Rings for Betta Fry Shrimp Fish Tanks up to 50 Gallons (Air Pump Not Included)

By Pawfly Store

Pawfly Aquarium Corner Sponge Filter Quiet Small Fish Bio Foam Filter with Natural Stones Gravels and Ceramic Rings for Betta Fry Shrimp Fish Tanks up to 50 Gallons (Air Pump Not Included)

Multi-layer Fine Sponge: Provide mechanical and biological filtration and trap debris or wastes without sucking up your fish. Keep fish tanks crystal clear and healthy.
Further Cleaning: The gravels inside absorb excess damaging substances and release trace elements. And the ceramic rings can cultivate beneficial substances. Always keep water fresh.
For 50 Gal Tanks: Measure 3.1" R x 6" H. Fit for 20-50 gallon fish tanks. You can change the sponge sequence at will and customize the filter materials according to the breeding density of the fish.
Quiet Aeration: Air powered and cause no disturbance to your daily life. The wide duck-billed air outlet port brings more bubbles to promote oxygen circulation.
Easy to Clean: The filter can be easily detached for cleaning. Rinse the sponges every 2 to 4 weeks with aquarium water ONLY. Avoid soaking or washing them in tap water! Replace the white sponge every 2-3 months!

author img Lucas Carter

Our Editor-in-Chief, Lucas Carter, brings over twenty years of hands-on experience in the world of aquaristics. He is not just an expert in aquarium keeping but also a passionate advocate for the hobby. Lucas's extensive knowledge of aquarium accessories, understanding of different aquatic ecosystems, and a keen eye for product quality set the standard for our reviews. His personal commitment is to guide both novice and experienced aquarium enthusiasts through the vast ocean of products, helping them create the ideal environment for their aquatic friends.