Editor's Choice - Our Favorite Lee's Aquarium Filter Accessories

1. Lee's 13210 10 Original Under Gravel Filter, 10" x 20",Black

User Ratings: 57 13

Lee's 13210 First Impressions

"5 gallon enchant tank."

If you don't know much about this just google it. For my smaller fish tank I find that it is just enough. Fun to modify your filter and clean tank as well. It works okay for now but I hope it does not mess up my filter in the long run. It was easy to assemble and very effective! Why not save some money to put towards more fish or supplies. It includes 12 mesh filter bags& 12 packets of charcoal.

  • Lee's 13210 10 Original Under Gravel Filter, 10" x 20",Black
  • Size: 10" x 20"
  • Made of special quality Plastic which resists splitting and cracking
  • Uplift tubes included.
  • Country of Origin: UNITED STATES
  • Manufacture: Lee's Aquarium and Pet Products
  • Product Dimensions: 10.5 x 1.5 x 9.5 inches; 1.14 Pounds
  • Editor's Impressions Of The Lee's 13210
  • Quality [star rating='3.5']
  • Value For Money [star rating='3.1']
  • Affordability [star rating='4.1']

Lee's 13210 Final Thoughts

"One more thing."

Much better than the cartridges you get when you buy the filters. That's a long time if you knew how nasty that many shrimp and minnows can be! It was exactly what I needed and fit beautifully. I just changed it today and the water is crystal clear-- no problems. I have always had an undergravel filter and my aquariums. The air stones, plastic tubing, and charcoal were provided which one would expect. My tank is 12x36 so I utilized 3 of the panels.

Overall Score
4.0

[star rating="4"]
(101 Points)

Peoples Choice - Other Highly Rated Lee's Aquarium Filter Accessories

2. Lee's 30 Premium Undergravel Filter, 12-Inch by 36-Inch

User Ratings: 62

Lee's 13158 First Impressions

"Hand down the best."

Customizable in terms of media used. I end up cutting a small 2x3 inch square for each of my media baskets. Have been using this product for few month for my planted tank. Make sure to select the Medium size from Tetra. I changed water 4 days in a row and still cloudy. This filter system doesn't come with everything to you need. I keep tubes of clear silicone sealer around.

  • Lee's 30 Premium Undergravel Filter, 12-Inch by 36-Inch
  • The larger plate sizes reduce the number of plates required
  • The added strength of the UGF plates makes this filter most preferred by saltwater aquarists
  • Size: 12-inch by 36-inch
  • Country of Origin: UNITED STATES
  • Manufacture: Lee's Aquarium and Pet Products
  • Product Dimensions: 34.25 x 2.38 x 11.13 inches; 1 Pounds
  • Editor's Impressions Of The Lee's 13158
  • Quality [star rating='3.6']
  • Value For Money [star rating='3.8']
  • Affordability [star rating='5']

Lee's 13158 Final Thoughts

"They seem to be legit."

Don't shut it off for more than a few minutes at a time. It works okay for now but I hope it does not mess up my filter in the long run. It comes with the filter bag, bag frame, and charcoal media all separate. You can run everything on battery backup sockets. I've definitely noticed a difference in my water quality. Never use live rooting plants with UG filters. Fun to modify your filter and clean tank as well.

Overall Score
4.4

[star rating="4.4"]
(38 Points)

3. Marineland Ammonia neutralizing zeolite blend aquarium carbon media

User Ratings: 80 1

MarineLand PA0391 First Impressions

"I have 2 tanks."

That's a long time if you knew how nasty that many shrimp and minnows can be! But by two weeks, the output did drop. Did all of mine The same, never ripped a one and they all fit like a glove. Customizable in terms of media used. My tank is 12x36 so I utilized 3 of the panels. You will also need to replace their rechargeable batteries about every 2 years or so. Does the job and price was less or at least same as big retailers.

  • Marineland Ammonia neutralizing zeolite blend aquarium carbon 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.
  • Manufacture: Marineland
  • Product Dimensions: 3.75 x 3.75 x 5.5 inches; 1.44 Pounds
  • Editor's Impressions Of The MarineLand PA0391
  • Quality [star rating='5']
  • Value For Money [star rating='5']
  • Affordability [star rating='5']

MarineLand PA0391 Final Thoughts

"Hehehehehe shhhhh."

The first piece does get a bit dirty and usually only lasts a week. I had to take a blade and run it through all the slats because the factory doesnt q. Just be super careful with the tubes! I just changed it today and the water is crystal clear-- no problems. The filter material itself is good quality material too that doesn't break open. This improves flow and prolongs time between cleaning. The other tank is an old AIO retro tank I have with a media rack in it.

Overall Score
4.7

[star rating="4.7"]
(573 Points)

4. Supreme (Danner) ASP11812 12-Pack Bio-Matrix Carbon/Polyester Filter Pad for Aquarium

User Ratings: 72 19

Danner 250151 First Impressions

"Love this sponge filter."

I end up cutting a small 2x3 inch square for each of my media baskets. I had to take a blade and run it through all the slats because the factory doesnt q. Customizable in terms of media used. Also work great as filler for canisters and other filters. I had to rinse the sponges after about 2. Also work great as filler for canisters and other filters. Fun to modify your filter and clean tank as well.

  • Supreme (Danner) ASP11812 12-Pack Bio-Matrix Carbon/Polyester Filter Pad for Aquarium
  • Carefully designed to maintain the effectiveness of the original filter
  • Offers biological chemical and mechanical filtration
  • Contains 12 polyester and 12 carbon replacement filter media
  • Manufacture: TopDawg Pet Supply
  • Product Dimensions: 1 x 1 x 1 inches; 1 Pounds
  • Editor's Impressions Of The Danner 250151
  • Quality [star rating='4.4']
  • Value For Money [star rating='5']
  • Affordability [star rating='3.6']

Danner 250151 Final Thoughts

"Great product and def."

It was nicely packaged and is a high quality filter material. So stock your tanks a few fish at a time. Within a matter of hours I now have a crystal clear tank with pristine water. For obvious reasons, don't put them directly above or below a tank. I have always had an undergravel filter and my aquariums. The concentration of flow will mean faster clogging, lower flow and motor strain. TopFin frame is on the left, Tetra on the right.

Overall Score
4.1

[star rating="4.1"]
(23 Points)

5. Tetra Carbon Filters, for Aquariums, Fits Whisper EX Filters

User Ratings: 79 2

Tetra 26332 First Impressions

"It's absolutely perfect."

I've definitely noticed a difference in my water quality. Lets start with the amount of filter material you get. I took off two points because the pictures are misleading. I've definitely noticed a difference in my water quality. It made no sense why one was ten and the other was twenty. It works okay for now but I hope it does not mess up my filter in the long run. I even used some in my Fluval 206 canister filter on my freshwater tank.

  • Tetra Carbon Filters, for Aquariums, Fits Whisper EX Filters
  • REPLACEMENT CARBON FILTER: Keeps aquarium water crystal clear, healthy and polished – activated carbon removes odors and discoloration.
  • CATCHES DEBRIS: Layers of multi-density floss effectively trap even the smallest particulates.
  • FOR TETRA WHISPER EX POWER FILTERS: Available in medium and large sizes to fit the range of Tetra Whisper EX Filters.
  • CONVENIENT: Replacement filter cartridges are fully assembled and ready to use.
  • USAGE: Change monthly or sooner if needed.
  • Age Range Description: All Ages
  • Included Components: Tetra Carbon Filters Large (2 Pack)
  • Coarse layer - Removes larger particulates
  • Manufacture: Tetra
  • Product Dimensions: 1.5 x 6.25 x 10 inches; 0.8 Ounces
  • Editor's Impressions Of The Tetra 26332
  • Quality [star rating='5']
  • Value For Money [star rating='4.3']
  • Affordability [star rating='3.7']

Tetra 26332 Final Thoughts

"It's worth that price."

This is great for transporting aquarium life from location to location too. But if you don't weekly vacuum it up, it will eventually clog the filter. The foam is not coarse as illustrated; it's finer and denser. So stock your tanks a few fish at a time. Any floating debri will get caught in a sponge intake on the reverse power head kit. Particles fall off into the aquarium when you take them off to clean them. I will update more pictures later, once the water isnt cloudy.

Overall Score
4.6

[star rating="4.6"]
(3133 Points)

6. EA Premium Carbon Infused Filter Pad 18x10 - Cut to Fit for Aquariums and Pond

User Ratings: 74 2

EA First Impressions

"I use this on each level."

You can put power heads on the riser tubes to increase the flow through the filter. It comes with carbon filters, and air stones. I also suppose my measuring tape may be off, but I would not think so. It comes with carbon filters, and air stones. It was a struggle to keep the water clear before i got the goldfish. I've saved so much money since switching, plus my tank stays cleaner. Don't restrict air-flow around them as they do get quite warm.

  • EA Premium Carbon Infused Filter Pad 18x10 - Cut to Fit for Aquariums and Pond
  • Our premium carbon infused pad is the popular choice for multipurpose applications. Super activated carbon cut to fit media pad traps micro and macro organic particles, foreign. Perfect for freshwater and marine aquariums. Designed with resilient fibers that trap floating debris to help keep your aquarium crystal clear.
  • Constructed with premium material that allows water to flow through while trapping harmful and unwanted free-floating debris and particulates, which also prevent premature clogging. The super activated carbon absorbs odors, discoloration, and toxins. Our premium carbon infused pad allows you to cut to fit any size filtration compartment with its industry leading 18x10" size. The thick and rigid design creates a tighter fit, holds shape longer and extends life of pad.
  • Our premium carbon filter pad is perfect for wet/dry, sumps, aquaponic systems and so much more! The premium carbon pad can be combined with other micron pads, polyfiber pads, nitrate reducer pads, and ammonia reducing pads. Bring clarity to your aquarium with our professional grade premium carbon infused filter pad. Simply place the pad in the path of flowing water to trap unwanted debris and particulates.
  • Our premium carbon pad is very efficient at trapping large and small particulates while absorbing odors, reducing discoloration, and reducing toxins. Filter pads are an essential part to keeping aquarium water clear and clean. With super activated carbon infused into the pad, filtration results will be enhanced to any aquarium or aquatic application.
  • Changing the premium carbon pad regularly will INCREASE WATER QUALITY by removing solid organic compounds before they break down and increase the levels of ammonia and nitrate in your aquarium.We are committed to bringing consumers and service technicians the highest quality products for the most competitive prices. We value your support and want to provide 100% satisfaction, so please feel free to contact us if you're not 100% satisfied.
  • Manufacture: EA
  • Product Dimensions: 10 x 9 x 1 inches; 5.5 Ounces
  • Editor's Impressions Of The EA
  • Quality [star rating='5']
  • Value For Money [star rating='4.7']
  • Affordability [star rating='4.1']

EA Final Thoughts

"I use this on each level."

The filter material itself is good quality material too that doesn't break open. They do feel a little thin but we'll see how they hold up over time. I've saved so much money since switching, plus my tank stays cleaner. I can now afford to change all my filters at a fraction of the cost. Ignore all the noise about them being outdated they are a must-have buy it. I don't advise using a UG filter as the only filtration source in large tanks. Never use live rooting plants with UG filters.

Overall Score
4.6

[star rating="4.6"]
(642 Points)

7. Aquarium Carbon Pad - Cut to Fit Carbon Infused Filter Pad Media for Crystal Clear Fish Tank and Pon...

User Ratings: 75

Aquatic Experts First Impressions

"Overall a good product!"

You may notice this brand is lower cost than some others. The measurements are about 9 cm long x 4 cm wide and the hole is about 2 cm. The Tetra Medium bio-bag slip easily on an original Top Fin plastic holder. I have always had an undergravel filter and my aquariums. The best part about these in my opinion, is the price. But if you don't weekly vacuum it up, it will eventually clog the filter. It comes with the filter bag, bag frame, and charcoal media all separate.

  • Aquarium Carbon Pad - Cut to Fit Carbon Infused Filter Pad Media for Crystal Clear Fish Tank and Ponds
  • EASY TO USE - The activated carbon filter pad replaces loose carbon in your aquarium. Our charcoal filter pads perform the same duty as activated carbon granules without the mess of spilled carbon and carbon dust particles in your aquarium. Cut your aquarium carbon pad to fit your filter, rinse, and it is ready to go!
  • CUT TO FIT - The carbon filter pads can be CUT TO FIT VIRTUALLY ANY FILTER. They work well in freshwater and saltwater aquariums and even ponds. Whatever filter you use, the carbon filter pad will work for you! Buying in bulk WILL SAVE YOU EVEN MORE MONEY over purchasing ready-made pre-cut filter material. Carbon pad measures 10.5" x 72" and 3/8" - 1/2" thick.
  • ELIMINATES ODOR AND DISCOLORATION! - Activated carbon, also known as activated charcoal, removes foul odors from aquarium and pond water LEAVING A CRISP CLEAN SMELL. The thin carbon coating creates a large surface area for the carbon to trap and remove water discoloration, residual medications, toxins, pollutants and more to keep your water crystal clear.
  • INCREASE WATER QUALITY – Changing the aquarium carbon filter pad regularly WILL INCREASE WATER QUALITY by removing solid organic compounds before they break down.
  • TOUGH AND DURABLE - The strong fibers of our charcoal fish tank filters can take a lot of punishment, even standing up to outdoor pond use. The fish tank carbon filter has no risk of ripping and spilling carbon in your tank. Made in the USA.
  • Manufacture: Aquatic Experts
  • Editor's Impressions Of The Aquatic Experts
  • Quality [star rating='4.7']
  • Value For Money [star rating='3.9']
  • Affordability [star rating='5']

Aquatic Experts Final Thoughts

"Very easy to do."

And provide a few low current areas in the tank for fish who are stressed to rest. Nitrates in small doses are not as harmful to the fish as Ammonia. I will update more pictures later, once the water isnt cloudy. Small amounts of these bubbles can also help oxygenate the water over time. Fill with the supplied carbon and voila. Ignore all the noise about them being outdated they are a must-have buy it. You can also buy solutions that have the bacteria in them to also get started faster.

Overall Score
4.2

[star rating="4.2"]
(5 Points)

8. QuietFlow Small Filter Cartridge by Aqueon

User Ratings: 81 2

Aqueon 100106417 First Impressions

"5 gallon enchant tank."

If you have a nano tank with filter these would be perfect for that setup. I had to take a blade and run it through all the slats because the factory doesnt q. It was exactly what I needed and fit beautifully. The material is a soft and not abrasive at all. We rinse the filters 2x a day and they remain in continuous 24 hour operation. These work great as pre filter sponge on my quiet flow 10. I will update more pictures later, once the water isnt cloudy.

  • QuietFlow Small Filter Cartridge by Aqueon
  • Fits Aqueon QuietFlow Filter: E Internal 10 gallon
  • Ready-to-use cartridge contains high quality activated carbon that keeps water clean, rinse before replacing
  • Installs in seconds: align cartridge bottom key slot for an accurate fit inside the Filter
  • For optimal performance, change approximately every 4 to 6 weeks
  • Do not clean Bioholster when replacing the cartridge as it contains beneficial biological bacteria
  • Manufacture: Central Garden & Pet
  • Product Dimensions: 7.2 x 5.8 x 2.5 inches; 3.2 Ounces
  • Editor's Impressions Of The Aqueon 100106417
  • Quality [star rating='4.2']
  • Value For Money [star rating='3.9']
  • Affordability [star rating='5']

Aqueon 100106417 Final Thoughts

"You get what you pay for."

If you have a nano tank with filter these would be perfect for that setup. The UG is certainly no exception to that. Most plants won't like the highly oxygenated gravel and will die. They do feel a little thin but we'll see how they hold up over time. You may notice this brand is lower cost than some others. You can cap off the ones you don't want to use. Customizable in terms of media used.

Overall Score
4.7

[star rating="4.7"]
(3891 Points)

9. Penn Plax Cascade 700/1000 GPH Canister Filter Aquarium Bio Sponge Replacement, 1 Pack

User Ratings: 82 1

Penn-Plax CCF229 First Impressions

"Good luck y'all!"

You will also need to replace their rechargeable batteries about every 2 years or so. It was easy to assemble and very effective! You can put power heads on the riser tubes to increase the flow through the filter. We use this product to the extreme. The injection molding for the plastics leave a lot to be desired. I've saved so much money since switching, plus my tank stays cleaner. A great addition to the filtration system.

  • Penn Plax Cascade 700/1000 GPH Canister Filter Aquarium Bio Sponge Replacement, 1 Pack
  • Keep your water clean and clear with the replacement bio sponge for use in the Cascade 700 Model CCF2UL and Cascade 1000 Model CCF3UL canister filters.
  • The bio sponge filter removes ammonia and nitrites from your aquarium tank keeping your aquarium clean, healthy, and odor free.
  • Filter sponge optimizes the colonization of beneficial aerobic bacteria which prevents the water from becoming cloudy and harming fish.
  • Perfectly cut to fit into the Cascade 700 / 1000 filter tray without any gaps  which could allow pollutants to re-enter the water.
  • Genuine Penn Plax replacement cartridge for Cascade 700 / 1000 standard and Elite models. When used together, the filter and bio sponge provide maximum protection against water pollutants.
  • Manufacture: Monster Pets
  • Product Dimensions: 7.5 x 1.5 x 5.5 inches; 0.32 Ounces
  • Editor's Impressions Of The Penn-Plax CCF229
  • Quality [star rating='3.7']
  • Value For Money [star rating='5']
  • Affordability [star rating='4.6']

Penn-Plax CCF229 Final Thoughts

"I use the APC brand."

Customizable in terms of media used. But by two weeks, the output did drop. This is a lot of filter pad for your money. Don't restrict air-flow around them as they do get quite warm. We operate a saltwater bait store, dealing in live shrimp and bull minnows. Plenty strong to support the rocks and gravel in my tank without sagging. This filter system doesn't come with everything to you need.

Overall Score
4.7

[star rating="4.7"]
(680 Points)

10. NEZO Aquarium Filter Media Porous 100pcs Bio Ceramic for Fresh Water, Sea Water Aquarium Fish Tank a...

User Ratings: 85

NEZO First Impressions

"The hole is smaller."

The material is a soft and not abrasive at all. Any floating debri will get caught in a sponge intake on the reverse power head kit. Just be super careful with the tubes! Lets start with the amount of filter material you get. I have a Top Fin 10 power filter and these cartridges fit perfectly. I had to take a blade and run it through all the slats because the factory doesnt q. Never use live rooting plants with UG filters.

  • NEZO Aquarium Filter Media Porous 100pcs Bio Ceramic for Fresh Water, Sea Water Aquarium Fish Tank and Koi Pond
  • Each Box: 100pcs, Media size: 6.3x1.4x1.4 Inch
  • Remove ammonia, nitrite, vast surface area / porous internal structure results in superior efficiency
  • Effectively increase the amount of oxygen dissolved in water. 100% aquarium safe non-metallic ceramic
  • Long lasting, highly porous ceramic material produces both mechanical and filtration
  • For Sea Water, Aquarium Fish Tank and Koi Pond
  • Manufacture: NEZO
  • Editor's Impressions Of The NEZO
  • Quality [star rating='4.5']
  • Value For Money [star rating='4.2']
  • Affordability [star rating='4']

NEZO Final Thoughts

"Next day delivery only 3."

I'm using this pad to HOB filters AC70 bottom and top of it’s sponge. It was nicely packaged and is a high quality filter material. Don't restrict air-flow around them as they do get quite warm. Lets start with the amount of filter material you get. Why not save some money to put towards more fish or supplies. It was exactly what I needed and fit beautifully. The other tank is an old AIO retro tank I have with a media rack in it.

Overall Score
4.7

[star rating="4.7"]
(30 Points)

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